Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December in Douglas, Isle of Man, denotes a minimal variation in the average high-temperature to a chilly 9.6°C (49.3°F) from November's 11.2°C (52.2°F). In Douglas, the nighttime temperature in December descends gently to an average of 7.6°C (45.7°F).Humidity
In December, the average relative humidity in Douglas is 78%.Rainfall
In Douglas, in December, during 17.3 rainfall days, 49mm (1.93") of precipitation is typically accumulated. Throughout the year, in Douglas, there are 184.8 rainfall days, and 478mm (18.82") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. The months with the most snowfall in Douglas, Isle of Man, are January and December, with an average 5mm (0.2") of accumulated snow.Sea temperature
In Douglas, Isle of Man, the average seawater temperature in December is 10°C (50°F).Note: Dipping in 10°C (50°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
The month with the shortest days in Douglas is December, with an average of 7h and 30min of daylight.On the first day of the month, sunrise is at 08:15 and sunset at 15:59. On the last day of December, sunrise is at 08:37 and sunset at 16:04 GMT.
Sunshine
January, November and December, with an average of 3.9h of sunshine, are months with the least sunshine in Douglas.UV index
In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the UV index of 3 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. When the Sun is at its strongest around midday, find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are December temperatures in Douglas?
What is the average humidity in December in Douglas?
How much does it rain in Douglas in December?
When does it snow the most in Douglas?
How much does it snow in Douglas in December?
What is the sea water temperature in December in Douglas?
What is the month with the shortest days in Douglas?
What is the average length of the day in December in Douglas?
What time are sunrise and sunset in December in Douglas?
What is the month with the least sunshine in Douglas?
How long on average sun shines in December in Douglas?
What is the UV index intensity in December in Douglas?
Average temperature in December
Douglas, Isle of Man
- Average high temperature in December: 9.6°C
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).
- Average low temperature in December: 7.6°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 in December
Douglas, Isle of Man
- 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 in December
Douglas, Isle of Man
- 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 in December
Douglas, Isle of Man
- Average humidity in December: 78%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (77%).
Average rainfall in December
Douglas, Isle of Man
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is November (62mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Douglas, Isle of Man
- 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 in December
Douglas, Isle of Man
- Average snowfall in December: 5mm
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 in December
Douglas, Isle of Man
- 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 in December
Douglas, Isle of Man
- Average sea temperature in December: 10°C
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 in December /
Average sunshine in December
Douglas, Isle of Man
- 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 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 in December
Douglas, Isle of Man
- 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 in December
Douglas, Isle of Man
- Average UV index in December: 3
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 in December
Douglas, Isle of Man
- Average cloud cover in December: 61
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 in December
Douglas, Isle of Man
- Average visibility in December: 10km
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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