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Contents
- The climate of Port Erin
- The best time to visit Port Erin
- The worst time to visit Port Erin
- Spring weather in Port Erin
- Summer weather in Port Erin
- Autumn weather in Port Erin
- Winter weather in Port Erin
- 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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Port Erin
Located on the Isle of Man, Port Erin boasts of a Marine West Coast climate, identified by the Köppen climate classification as Cfb. This marine climate, where all twelve months have an average mean temperature above 0°C (32°F), is characterized by warm summers and cool winters.
Throughout the year, temperature oscillates between 5.9°C (42.6°F) and 16.1°C (61°F). The hot months peak around July and August with temperatures reaching up to 16.1°C (61°F). Conversely, the cooler months occur between January and February, with temperatures dropping to around 5.9°C (42.6°F). Port Erin's weather features a moderate relative humidity of between 77% and 84%, which remains relatively stable throughout the year.
Rainfall in Port Erin varies from month to month, ranging from a minimum of 23mm (0.91") in April to a maximum of 62mm (2.44") in November. January and February experience nominal snowfall, with levels ranging from 1mm (0.04") to 5mm (0.2"), while the rest of the year remains free from such frozen precipitation. Daylight hours extend from 7.5 hours in December to 17.1 hours in June. Wind speeds fluctuate from a moderate 21.5km/h (13.4mph) in June to a brisk 36.7km/h (22.8mph) in December.
Throughout the year, temperature oscillates between 5.9°C (42.6°F) and 16.1°C (61°F). The hot months peak around July and August with temperatures reaching up to 16.1°C (61°F). Conversely, the cooler months occur between January and February, with temperatures dropping to around 5.9°C (42.6°F). Port Erin's weather features a moderate relative humidity of between 77% and 84%, which remains relatively stable throughout the year.
Rainfall in Port Erin varies from month to month, ranging from a minimum of 23mm (0.91") in April to a maximum of 62mm (2.44") in November. January and February experience nominal snowfall, with levels ranging from 1mm (0.04") to 5mm (0.2"), while the rest of the year remains free from such frozen precipitation. Daylight hours extend from 7.5 hours in December to 17.1 hours in June. Wind speeds fluctuate from a moderate 21.5km/h (13.4mph) in June to a brisk 36.7km/h (22.8mph) in December.
The best time to visit Port Erin
The prime time to visit Port Erin is between May to September, when temperatures linger around a pleasant 9.4°C (48.9°F) to 14.3°C (57.7°F). These months experience longer daylight hours, varying from 14.1 hours to 17.1 hours. This period also enjoys greater sunshine duration, with an average of 8 hours daily. Rainfall during this period is slightly higher, with July and August receiving 40mm (1.57") and 53mm (2.09") respectively, yet the increased rainfall does not deter from the overall pleasant weather conditions.
The worst time to visit Port Erin
The period between November and February might not be the favorable for tourists visiting Port Erin. During this period, temperatures can drop to a chilly 5.9°C (42.6°F) to 6.4°C (43.5°F). These months also experiences higher precipitation, with rainfall going up to 62mm (2.44") in November and nominal snowfall in January and February. Furthermore, daylight hours are considerably shorter, hovering between 7.5 to 9.8 hours.
Spring weather in Port Erin
The spring season unfolds from March to May in Port Erin. The temperature during this period varies from 6.3°C (43.3°F) to 9.4°C (48.9°F). Daylight hours progressively increase from 11.9 hours in March to 16 hours in May. April sees slightly reduced rainfall of 23mm (0.91"), while May experiences increased rainfall at 24mm (0.94"). Wind speeds decrease from 28.8km/h (17.9mph) in March to 24.6km/h (15.3mph) in May.
Summer weather in Port Erin
From June to August, Port Erin experiences its summer, marked by temperatures that range from 12.2°C (54°F) to 14.3°C (57.7°F). This season sees the longest daylight hours, maxing out at 17.1 hours in June. While June and July get 41mm (1.61") and 40mm (1.57") of rainfall respectively, August sees a sharp increase in rainfall, going up to 53mm (2.09").
Autumn weather in Port Erin
Autumn in Port Erin spans from September to November. The temperatures during this season hover between 9.3°C (48.7°F) and 13.6°C (56.5°F). Both daylight and sunshine hours reduce, going from 12.7 hours to 8.6 hours, and from 7 hours to 3.9 hours respectively. This season receives the highest rainfall of the year, with November witnessing a peak rainfall of 62mm (2.44").
Winter weather in Port Erin
Winter in Port Erin covers December through February. During this period, temperatures range from 5.9°C (42.6°F) to 6.4°C (43.5°F), making this the coldest season of the year. The average daylight hours are at their lowest, varying from 7.5 hours in December to 9.8 hours in February. The period sees nominal snowfall, with 5mm (0.2") registered in December and January, while rainfall remains high with peaks of 49mm (1.93") and 34mm (1.34") in December and January respectively.
Weather in January
The start of the year in Port Erin, Isle of Man brings weather conditions that are relatively mild compared to other regions of the United Kingdom. January sees an average high temperature of 8.5°C (47.3°F) and a low of 6.4°C (43.5°F). Weather in January »
Weather in February
Turning the corner from January, the climatic conditions in February are still largely influenced by the winter season. Despite having less snowfall, at 1mm (0.04"), the temperatures and wind speed are lower than in January. As March approaches, residents anticipate milder weather, with slightly warmer temperatures and increased daylight hours. Weather in February »
Weather in March
In Port Erin, March signals the advent of Spring when the environment starts to thaw out from the winter's chill. The chilly winds continue to blow, albeit at a decreased speed of 28.8km/h (17.9mph). Comparatively, this weather transition is less drastic than in February, but the increased sunshine hours foreshadow the approaching summer months. Weather in March »
Weather in April
Come April, the climate in Port Erin, Isle of Man experiences noticeable improvement. The weather conditions make a significant shift from the damp, brisk temperatures of March, marked by an average low temperature of 7.6°C (45.7°F). Weather in April »
Weather in May
May, often revered as the gateway to summer in Port Erin, brings forth warmer weather with abundant sunshine hours. During this month, the city witnesses a relative rise in the average high temperatures to 11.7°C (53.1°F). As June arrives, Port Erin gains a palpable rise in humidity, a side effect of greater daylight hours and warmer temperatures. Weather in May »
Weather in June
June weather in Port Erin embodies the advent of summer, with mild sunny days typical of this season. Significant seasonal markers include a daylight duration of 17.1 hours, the longest experienced in the year. A shift in weather can be expected as we transition from June to July. Weather in June »
Weather in July
As the summer reaches its peak in July, Port Erin's weather conditions are notably warm. There is a slight increase in the average high temperature from 14°C (57.2°F) in June to 15.8°C (60.4°F). The anticipated arrival of August threatens to disrupt this, with weather predictions indicating the possibility of increased rainfall. Weather in July »
Weather in August
August marks the zenith of summer in Port Erin, offering the warmest temperatures of the year with an average high of 16.1°C (61°F). Despite the impending change to more autumnal conditions in September, Port Erin still experiences long daylight hours. Weather in August »
Weather in September
In September, the turning colors of the leaves signal the arrival of Autumn in Port Erin. Despite a noticeable drop in average high temperature to 15.4°C (59.7°F), the weather remains relatively warm. However, a steady decrease in temperature becomes evident as the city transitions into October. Weather in September »
Weather in October
October sees substantial changes in weather conditions in Port Erin, marking the definitive shift into Autumn. It's characterized by a significant plunge in temperatures, with the average high dropping to 13.7°C (56.7°F). Followed by November, the weather continues on this downward trend. Weather in October »
Weather in November
In November, the arrival of Winter is keenly felt as temperatures continue to drop in Port Erin. Weather conditions during this month show an average high temperature of 11.2°C (52.2°F). As December approaches, the days become significantly shorter and the likelihood of snowfall starts to increase. Weather in November »
Weather in December
December in Port Erin ushers in the height of winter. The contrast with the warm, sunny days of summer is stark as temperatures drop further to an average high of 9.6°C (49.3°F). As January approaches, the citizens of Port Erin can expect to witness the coldest and windiest weather conditions of the year. Weather in December »
[Resources]Frequently asked questions
How much does it rain in Port Erin?
In Port Erin, during the entire year, the rain falls for 184.8 days and collects up to 478mm (18.82") of precipitation.
When does it snow in Port Erin?
January through March, November and December are months with snowfall.
When does it snow the most in Port Erin?
The months with the most snowfall in Port Erin are January and December, with an average 5mm (0.2") of accumulated snow.
How many days does it snow in Port Erin?
Throughout the year, there are 2 snowfall days, and 13mm (0.51") of snow is accumulated.
What is the month with the least sunshine in Port Erin?
January, November and December, with an average of 3.9h of sunshine, are months with the least sunshine in Port Erin, Isle of Man.
What is the month with the lowest UV index in Port Erin?
The months with the lowest UV index in Port Erin, Isle of Man, are January through March, with an average maximum UV index of 2.
What is the coldest month in Port Erin?
Temperature records in Port Erin, Isle of Man, mark February as the coldest month, with highs averaging 7.8°C (46°F) and lows at 5.9°C (42.6°F).
What is the driest month in Port Erin?
April is the month with the least rainfall in Port Erin, Isle of Man. Rain falls for 13.7 days and accumulates 23mm (0.91") of precipitation.
When it does not snow in Port Erin?
April through October are months without snowfall in Port Erin, Isle of Man.
What month has the most sunshine in Port Erin?
The month with the most sunshine is May, with an average of 8.3h of sunshine.
What is the month with the highest UV index in Port Erin?
May through September, with an average maximum UV index of 4, are months with the highest UV index.
What are the most humid months in Port Erin?
The months with the highest humidity are June and July, with an average relative humidity of 84%.
When are the longest days in Port Erin?
With an average of 17h and 6min of daylight, June has the longest days of the year in Port Erin.
What is the hottest time of year in Port Erin?
August, with average temperatures reaching a high of 16.1°C (61°F) and a low of 14.3°C (57.7°F), is the warmest month in Port Erin, Isle of Man.
When is Daylight Saving Time (DST) in Port Erin?
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 Port Erin?
November is the least humid month in Port Erin, with an average relative humidity of 77%.
What is the rainiest month in Port Erin?
November is the month with the most rainfall in Port Erin. Rain falls for 17.8 days and accumulates 62mm (2.44") of precipitation.
What is the month with the shortest days in Port Erin?
December has the shortest days of the year in Port Erin, Isle of Man, with an average of 7h and 30min of daylight.
Average temperature
Port Erin, 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
Port Erin, 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
Port Erin, 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
Port Erin, 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
Port Erin, 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
Port Erin, 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
Port Erin, 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
Port Erin, 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 daylight / Average sunshine
Port Erin, Isle of Man
- Average daylight in January:
8h and 1min - 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 3min - 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 4min - 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
Port Erin, 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
Port Erin, 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
Port Erin, 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
Port Erin, 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).
Port Erin, Isle of Man
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