December weather forecast and climate
Douglas, Isle of Man

Green lawns overlooking a ferry terminal in the small town of Douglas, Isle of Man
Green lawns overlooking a ferry terminal in the small town of Douglas, Isle of Man

Temperature

In Douglas, the average high-temperature is 7°C (44.6°F), and the average low-temperature is 3°C (37.4°F).

Rainfall

In Douglas, during December, the rain falls for 19 days and regularly aggregates up to 168mm (6.6") of precipitation. In Douglas, during the entire year, the rain falls for 198 days and collects up to 1528mm (60.2") of precipitation.

Sea temperature

In Douglas, the average seawater temperature is 10°C (50°F). Swimming in 10°C (50°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

With an average of 7.5h of daylight, December has the shortest days of the year.

Sunshine

The month with the least sunshine is December, with an average of 1h of sunshine.

UV index

January and December, with an average UV index of 0, are months with the lowest UV index.

What is the temperature in December in Douglas?

In December, in Douglas, Isle of Man, the average high-temperature is 7°C (44.6°F), and the average low-temperature is 3°C (37.4°F).

How much does it rain in Douglas in December?

In Douglas, in December, during 19 rainfall days, 168mm (6.6") of precipitation is typically accumulated.

What is the sea water temperature in December in Douglas?

In Douglas, Isle of Man, the average seawater temperature in December is 10°C (50°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the month with the shortest days in Douglas?

December has the shortest days of the year in Douglas, with an average of 7.5h of daylight.

How many hours of daylight does Douglas have in December?

In December, the average length of the day is 7.5h.

What is the month with the least sunshine in Douglas?

December has the least sunshine of the year in Douglas, with an average of 1h of sunshine.

How long on average sun shines in December in Douglas?

In Douglas, the average sunshine in December is 1h.

When is the lowest UV index in Douglas?

January and December, with an average UV index of 0, are months with the lowest UV index.

How high is the UV index in December in Douglas?

In December, the average UV index in Douglas, Isle of Man, is 0.
Average temperature in December - Douglas, Isle of Man
  • Average high temperature in December: 7°C

Warmest months (with the highest average high temperature) are July and August (17°C).
Months with the lowest average high temperature are January and February (6°C).

  • Average low temperature in December: 3°C

Months with the highest average low temperature are July and August (11°C).
Coldest months (with the lowest average low temperature) are January, February and March (2°C).

Average rainfall in December - Douglas, Isle of Man
  • Average rainfall in December: 168mm

The wettest month (with the highest rainfall) is October (171mm).
The driest month (with the lowest rainfall) is May (85mm).

Average rainfall days in December - Douglas, Isle of Man
  • Average rainfall days in December: 19 days

Months with the highest number of rainy days are January and November (20 days).
The month with the lowest number of rainy days is July (13 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).
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: 7.5h

The month with the longest days is June (Average daylight: 17.1h).
The month with shortest days is December (Average daylight: 7.5h).

  • Average sunshine in December: 1h

Months with most sunshine are May and June (Average sunshine: 7h).
The month with least sunshine is December (Average sunshine: 1h).

Average UV index in December - Douglas, Isle of Man
  • Average UV index in December: 0

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).

deutscheenglishespañolрусский中文