December weather forecast
Derbyhaven, Isle of Man

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Weather in December

Weather in Derbyhaven during December takes a final plunge in temperatures as winter descends, dropping from 9.6°C (49.3°F) to 7.6°C (45.7°F). Snowfall is observed again with 5mm (0.2") recorded, signifying the onset of the cold winter days. The faster wind speed intensifies the winter chill, prompting warmer clothing. Despite these shifts to colder weather, the coastal town of Derbyhaven remains a vision of tranquillity under the grey winter sky. With Christmas festivities nearing, jingle bells and warm lights add a dash of magic to the crisp winter air.

Temperature

Derbyhaven's average high-temperature in December is a frosty 9.6°C (49.3°F), indicating a subtle variation from November. Derbyhaven's December nights demonstrate minimal variation from the daytime temperatures, with an average of 7.6°C (45.7°F).

Humidity

In Derbyhaven, the average relative humidity in December is 78%.

Rainfall

In Derbyhaven, during December, the rain falls for 17.3 days and regularly aggregates up to 49mm (1.93") of precipitation. Throughout the year, in Derbyhaven, Isle of Man, there are 184.8 rainfall days, and 478mm (18.82") of precipitation is accumulated.

Snowfall

Months with snowfall in Derbyhaven are January through March, November and December. The months with the most snowfall are January and December, with an average 5mm (0.2") of accumulated snow.

Daylight

With an average of 7h and 30min of daylight, December has the shortest days of the year.
On the first day of December in Derbyhaven, sunrise is at 08:15 and sunset at 16:00. On the last day of the month, sunrise is at 08:37 and sunset at 16:05 GMT.

Sunshine

The months with the least sunshine in Derbyhaven are January, November and December, with an average of 3.9h of sunshine.

UV index

In Derbyhaven, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in December in Derbyhaven?

During December, Derbyhaven experiences an average high-temperature of 9.6°C (49.3°F) and a low-temperature of 7.6°C (45.7°F).

What is the average humidity in December in Derbyhaven?

In December, the average relative humidity in Derbyhaven, Isle of Man, is 78%.

How much does it rain in Derbyhaven in December?

In December, in Derbyhaven, the rain falls for 17.3 days. Throughout December, 49mm (1.93") of precipitation is accumulated.

When does it snow the most in Derbyhaven?

The months with the most snowfall are January and December, with an average 5mm (0.2") of accumulated snow.

How many days does it snow in December in Derbyhaven?

In December, in Derbyhaven, Isle of Man, it is snowing for 0.5 days. Throughout December, 5mm (0.2") of snow is accumulated.

What is the month with the shortest days in Derbyhaven?

With an average of 7h and 30min of daylight, December has the shortest days of the year in Derbyhaven, Isle of Man.

What is the average length of the day in December in Derbyhaven?

The average day length in December in Derbyhaven, Isle of Man, is 7h and 28min.

When is the sunrise / sunset in December in Derbyhaven?

On the first day of December in Derbyhaven, sunrise is at 08:15 and sunset at 16:00. On the last day of the month, sunrise is at 08:37 and sunset at 16:05 GMT.

What is the month with the least sunshine in Derbyhaven?

The months with the least sunshine in Derbyhaven, Isle of Man, are January, November and December, with an average of 3.9h of sunshine.

How long on average sun shines in December in Derbyhaven?

The average sunshine duration in December in Derbyhaven is 3.9h.

What is the UV index reading in December in Derbyhaven?

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Derbyhaven, Isle of Man

Average temperature in December - Derbyhaven, 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).

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Average pressure in December
Derbyhaven, Isle of Man

Average pressure in December - Derbyhaven, 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).

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Average wind speed in December
Derbyhaven, Isle of Man

Average wind speed in December - Derbyhaven, 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).

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Average humidity in December
Derbyhaven, Isle of Man

Average humidity in December - Derbyhaven, 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%).

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Average rainfall in December
Derbyhaven, Isle of Man

Average rainfall in December - Derbyhaven, 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).

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Average rainfall days in December
Derbyhaven, Isle of Man

Average rainfall days in December - Derbyhaven, 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).

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Average snowfall in December
Derbyhaven, Isle of Man

Average snowfall in December - Derbyhaven, 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).

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Average snowfall days in December
Derbyhaven, Isle of Man

Average snowfall days in December - Derbyhaven, 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).

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Average daylight in December /
Average sunshine in December
Derbyhaven, Isle of Man

Average daylight in December / Average sunshine in December - Derbyhaven, 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).

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Average sunshine days in December
Derbyhaven, Isle of Man

Average sunshine days in December - Derbyhaven, 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).

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Average UV index in December
Derbyhaven, Isle of Man

Average UV index in December - Derbyhaven, 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).

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Average cloud cover in December
Derbyhaven, Isle of Man

Average cloud cover in December - Derbyhaven, 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).

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Average visibility in December
Derbyhaven, Isle of Man

Average visibility in December - Derbyhaven, 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).

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Derbyhaven, Isle of Man

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