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Contents
- The climate of Douglas
- The best time to visit Douglas
- The worst time to visit Douglas
- Spring weather in Douglas
- Summer weather in Douglas
- Autumn weather in Douglas
- Winter weather in Douglas
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Green lawns overlooking a ferry terminal in the small town of Douglas, Isle of Man
The climate of Douglas
A noteworthy classification of the Douglas climate, according to the Köppen climate classification, is Cfb, which signifies a marine west coast climate with warm summers. This genial climate description is augmented by the central geographical position of this town on the Isle of Man, located in the Irish Sea between Great Britain and Ireland. Analyzing the compiled climatological data reveals an overarching trend of mild temperatures, relative humidity, and considerable rainfall throughout the year.
Interrogating the climate parameters shows that the annual range of average high temperatures falls between 7.8°C (46°F) in February and 16.1°C (61°F) in August, with the average low temperatures fluctuating from 13.8°C (56.8°F) in July to 5.9°C (42.6°F) in February. The relative humidity ranges from 77% in November to 84% from June to July, maintaining a consistent and significant presence of atmospheric moisture content throughout the year. Such patterns of temperature and humidity contribute to the distinctiveness of the Douglas climate.
The monthly average of rainfall throughout the year exhibits patterns of variability, with a high point of 62mm (2.44") in November and a low point of 23mm (0.91") in April. This variability in rainfall contributes to the overall ecosystem of the region and emphasizes the inherent diversity in the Douglas climate scheme. Notably, the occurrence of snowfall is sporadic and limited primarily to the colder months from December to February, peaking at 5mm (0.2") in January and December.
Interrogating the climate parameters shows that the annual range of average high temperatures falls between 7.8°C (46°F) in February and 16.1°C (61°F) in August, with the average low temperatures fluctuating from 13.8°C (56.8°F) in July to 5.9°C (42.6°F) in February. The relative humidity ranges from 77% in November to 84% from June to July, maintaining a consistent and significant presence of atmospheric moisture content throughout the year. Such patterns of temperature and humidity contribute to the distinctiveness of the Douglas climate.
The monthly average of rainfall throughout the year exhibits patterns of variability, with a high point of 62mm (2.44") in November and a low point of 23mm (0.91") in April. This variability in rainfall contributes to the overall ecosystem of the region and emphasizes the inherent diversity in the Douglas climate scheme. Notably, the occurrence of snowfall is sporadic and limited primarily to the colder months from December to February, peaking at 5mm (0.2") in January and December.
The best time to visit Douglas
Considering the overall weather trends, the most favorable time to visit Douglas is from June to August. During this period, the average high temperatures steadily increase from 14°C (57.2°F) to 16.1°C (61°F), while the low temperatures hover between 12.2°C (54°F) and 14.3°C (57.7°F). The daylight duration, reaching its peak in June, at 17.1 hours, enhances the ease of outdoor activities. Moreover, the level of sunshine remains relatively consistent, plateauing at roughly 8.1 hours per day, enlivening the atmosphere for visitors.
The worst time to visit Douglas
Contrarily, the period from November to January can be quite challenging for visitors, owing to the confluence of colder temperatures and greater rainfall. With high temperatures decreasing to 9.6°C (49.3°F) in December and a significant elevation in rainfall at 62mm (2.44") in November, these conditions can seem less attractive to visitors seeking an outdoor-oriented experience. Additionally, reduced daylight hours, dropping to 7.5 in December, can further hamper the attractiveness of visiting Douglas during this span.
Spring weather in Douglas
Spring weather in Douglas, encompassing March to May, is characterized by a consistent but gradual rise in temperature, with the average high reaching up to 11.7°C (53.1°F) in May. Rainfall experiences a relatively low period compared to other seasons, averaging 23mm (0.91") in April. Additionally, daylight and sunshine steadily increase during this period, augmenting the liveliness of the overall ambiance.
Summer weather in Douglas
Summer months from June to August offer a relatively milder and more pleasant climate. This period is marked by temperatures ranging from 14°C (57.2°F) to a peak of 16.1°C (61°F) in August and consistently low temperatures between 12.2°C (54°F) and 14.3°C (57.7°F). Increased length of daylight, especially in June and July, provides ampler time for outdoor activities. Despite a rise in rainfall during these months, the amount of sunshine sustains a vibrant atmosphere in Douglas.
Autumn weather in Douglas
Autumn in Douglas witnesses a downward trend in temperatures with the highs slowly descending from 13.7°C (56.7°F) in October to 9.6°C (49.3°F) in December. Concurrently, the rainfall begins to spike, hitting 62mm (2.44") in November and returning to 49mm (1.93") in December. As the daylight and sunshine hours dwindle, the atmosphere starts to take on a cooler identity, signaling the approaching winter.
Winter weather in Douglas
Winter in Douglas is characterized by lower temperatures, varying between a high of 8.5°C (47.3°F) in January to a low of 5.9°C (42.6°F) in February, coupled with decreased hours of daylight and sunshine. Rainfall continues its presence; however, the appearance of snowfall, particularly in December and January, introduces a wintry feel to the Douglas landscape. Despite the chill, Douglas remains welcoming, offering unique winter experiences.
Weather in January
Douglas, Isle of Man starts the year with relatively mild weather as winter unfolds. Despite the lower temperatures, it is not the coldest month of the year. Notably, January experiences 5mm (0.2") of snowfall scattered over a few days. Weather in January »
Weather in February
Following January, February exhibits a slight uptick in average high and low temperatures. Snowfall decreases to a negligible 1mm (0.04"). As compared to January, February has a reduced amount of rainfall and longer daylight hours. Weather in February »
Weather in March
March transitions from winter to spring, leading to a warmer climate in Douglas. The slight increase in temperature matches the expanded daylight hours, bolstering the ambient temperature slightly. Snowfall becomes absent in March, eliminating the concerns of snow-related disruptions. Weather in March »
Weather in April
April builds upon the temperature increment pattern established in the preceding months in Douglas. Rainfall decreases marginally, signaling the start of the drier summer season. The number of daylight hours is considerably more, allowing more time for outdoor activities. Weather in April »
Weather in May
With temperatures averaging from 9.4°C (48.9°F) to 11.7°C (53.1°F), May exhibits a significant jump in the warmth factor, a clear sign of summer's impending arrival in Douglas. The increased heat heralds a rise in rainfall and humidity, making the town's climate damp and humid. Weather in May »
Weather in June
June indicates the advent of summer in Douglas with the highest average high temperature of 14°C (57.2°F). The month records a high average of approximately 41mm (1.61") rainfall making it wetter than the preceding months. However, long daylight hours and ample sunshine provide a warm counterpoint. Weather in June »
Weather in July
Douglas enters the peak summer in July with temperatures reaching the year's highest point, averaging between 13.8°C (56.8°F) to 15.8°C (60.4°F). Rainfall surges further to an average of 40mm (1.57"), marking July as the wettest month. Weather in July »
Weather in August
August continues the summer streak with high temperatures and extensive daylight hours in Douglas. However, a slight decrease in temperature from July heralds the impending decline into autumn. A noteworthy trait is the increase in the month's average rainfall to the year's high of 53mm (2.09"). Weather in August »
Weather in September
The transition to autumn commences in September for Douglas. Although temperatures have a slight drop for both highs and lows, they remain above the annual average. Rainfall sees a notable reduction from August's peak, though is still considerable. Weather in September »
Weather in October
October brings cooler temperatures as Douglas ventures deeper into autumn. The month sees a slight spike in rainfall despite the decline in humidity. Decreased daylight hours characterize the shortening days of the season. Nevertheless, the abundance of daily sunshine paired with the relative warmth can make for pleasant autumn strolls. Weather in October »
Weather in November
November features a significant drop in temperature in Douglas, indicating the approaching winter. The readings show lower average high and low temperatures compared to October. The rainfall continues to increase, reaching an annual high average of 62mm (2.44"). Weather in November »
Weather in December
December rounds off the year with the onset of winter in Douglas. The average temperatures experience a slight increase. Simultaneously, the rainfall decreases marginally, presenting a mix of wintry cold and lighter rainfall. Notably, the snowfall peaks at 5mm (0.2"), making it equivalent to January’s levels. Weather in December »
[Resources]Frequently asked questions
How much does it rain in Douglas?
Throughout the year, in Douglas, Isle of Man, there are 184.8 rainfall days, and 478mm (18.82") of precipitation is accumulated.
When does it snow in Douglas?
Months with snowfall are January through March, November and December.
When does it snow the most in Douglas?
The months with the most snowfall are January and December, with an average 5mm (0.2") of accumulated snow.
How much does it snow in Douglas?
Throughout the year, in Douglas, there are 2 snowfall days, and 13mm (0.51") of snow is accumulated.
What are the months with the least sunshine in Douglas?
January, November and December, with an average of 3.9h of sunshine, are months with the least sunshine.
What is the month with the lowest UV index in Douglas?
January through March, with an average maximum UV index of 2, are months with the lowest UV index.
What part of the year is the coldest in Douglas?
With an average high-temperature of 7.8°C (46°F) and an average low-temperature of 5.9°C (42.6°F), February is the coldest month in Douglas.
What months are the sea coldest in Douglas?
February and March, with an average sea temperature of 7°C (44.6°F), are months with the coldest seawater in Douglas, Isle of Man.
What is the driest month in Douglas?
April is the month with the least rainfall in Douglas, Isle of Man. Rain falls for 13.7 days and accumulates 23mm (0.91") of precipitation.
When it does not snow in Douglas?
In Douglas, snow does not fall in April through October.
What month has the most sunshine in Douglas?
May has the most sunshine of the year in Douglas, with an average of 8.3h of sunshine.
What is the month with the highest UV index in Douglas?
The months with the highest UV index are May through September, with an average maximum UV index of 4.
What are the most humid months in Douglas?
June and July, with an average relative humidity of 84%, are most humid months.
When are the longest days in Douglas?
With an average of 17h and 6min of daylight, June has the longest days of the year in Douglas.
What part of the year is the hottest in Douglas?
In Douglas, the peak temperatures are generally noted in August, averaging a high of 16.1°C (61°F) and a low of 14.3°C (57.7°F).
When is the sea warmest in Douglas?
With an average sea temperature of 15°C (59°F), August is the month with the warmest seawater in Douglas.
When is Daylight Saving Time (DST) in Douglas?
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 01:00, and the time zone reverts from GMT to BST.
What is the least humid month in Douglas?
November is the least humid month, with an average relative humidity of 77%.
What is the wettest month in Douglas?
The month with the most rainfall is November, when the rain falls for 17.8 days and typically aggregates up to 62mm (2.44") of precipitation.
What is the month with the shortest days in Douglas?
With an average of 7h and 30min of daylight, December has the shortest days of the year in Douglas, Isle of Man.
Average temperature
Douglas, Isle of Man
The warmest month (with the highest average high temperature) is August (16.1°C).
The month with the lowest average high temperature is February (7.8°C).
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.9°C).
Average pressure
Douglas, Isle of Man
- Average pressure in January:
1011mbar - Average pressure in February:
1010.8mbar - Average pressure in March:
1013.8mbar - Average pressure in April:
1014.8mbar - Average pressure in May:
1015.9mbar - Average pressure in June:
1015.1mbar
- Average pressure in July:
1013.6mbar - Average pressure in August:
1012.5mbar - Average pressure in September:
1014.8mbar - Average pressure in October:
1012.7mbar - Average pressure in November:
1008mbar - Average pressure in December:
1010.5mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008mbar).
Average wind speed
Douglas, Isle of Man
- Average wind speed in January:
35km/h - Average wind speed in February:
33.2km/h - Average wind speed in March:
28.8km/h - Average wind speed in April:
24.9km/h - Average wind speed in May:
24.6km/h - Average wind speed in June:
21.5km/h
- Average wind speed in July:
22.1km/h - Average wind speed in August:
25.7km/h - Average wind speed in September:
28.6km/h - Average wind speed in October:
31.4km/h - Average wind speed in November:
35km/h - Average wind speed in December:
36.7km/h
The windiest month (with the highest average wind speed) is December (36.7km/h).
The calmest month (with the lowest average wind speed) is June (21.5km/h).
Average humidity
Douglas, Isle of Man
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (77%).
Average rainfall
Douglas, Isle of Man
The wettest month (with the highest rainfall) is November (62mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days
Douglas, Isle of Man
- Average rainfall days in January:
16.1 days - Average rainfall days in February:
14.2 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
13.2 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
17.5 days - Average rainfall days in November:
17.8 days - Average rainfall days in December:
17.3 days
The month with the highest number of rainy days is November (17.8 days).
The months with the least rainy days are May and June (13.2 days).
Average snowfall
Douglas, Isle of Man
The months with the highest snowfall are January and December (5mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Douglas, Isle of Man
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Douglas, Isle of Man
The best month for swimming (with the highest average sea temperature) is August (15°C).
The coldest months (with the lowest average sea temperature) are February and March (7°C).
Average daylight / Average sunshine
Douglas, Isle of Man
- Average daylight in January:
8h and 0min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 1min - Average daylight in May:
16h and 0min - Average daylight in June:
17h and 1min
- Average daylight in July:
16h and 4min - Average daylight in August:
14h and 5min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 3min - Average daylight in November:
8h and 3min - Average daylight in December:
7h and 3min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 2min - Average sunshine in June:
8h and 1min
- Average sunshine in July:
8h and 1min - Average sunshine in August:
7h and 5min - Average sunshine in September:
7h and 0min - Average sunshine in October:
4h and 2min - Average sunshine in November:
3h and 5min - Average sunshine in December:
3h and 5min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).
Average sunshine days
Douglas, Isle of Man
- Average sunshine days in January:
12.1 days - Average sunshine days in February:
11.3 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
15 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
10.3 days - Average sunshine days in November:
9 days - Average sunshine days in December:
11 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (9 days).
Average UV index
Douglas, Isle of Man
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and March (UV index 2).
Average cloud cover
Douglas, Isle of Man
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility
Douglas, Isle of Man
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Douglas, Isle of Man
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