December weather forecast
Brighton, United Kingdom

Brown sandy shores of Brighton Beach in the United Kingdom, with a background view of the city buildings
Brown sandy shores of Brighton Beach in the United Kingdom, with a background view of the city buildings

Weather in December

The first month of the winter, December, is also a frosty month in Brighton, United Kingdom, with an average temperature ranging between min 5.9°C (42.6°F) and max 9.2°C (48.6°F).

Temperature

In Brighton, the average high-temperature in December is relatively the same as in November - a frosty 9.2°C (48.6°F). The average low-temperature, in December, is 5.9°C (42.6°F).

Humidity

January and December, with an average relative humidity of 85%, are the most humid months in Brighton, United Kingdom.

Rainfall

The months with the most rainfall are November and December, with an average 59mm (2.32") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Brighton. In Brighton, during December, snow falls for 0.9 days and regularly aggregates up to 5mm (0.2") of snow. Throughout the year, in Brighton, there are 5.4 snowfall days, and 23mm (0.91") of snow is accumulated.

Sea temperature

In Brighton, United Kingdom, the average seawater temperature in December is 11.9°C (53.4°F).
Note: Swimming in 11.9°C (53.4°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

The month with the shortest days in Brighton, United Kingdom, is December, with an average of 8h and 2min of daylight.
On the first day of the month, sunrise is at 7:40 am and sunset at 3:58 pm. On the last day of December, in Brighton, sunrise is at 8:02 am and sunset at 4:04 pm GMT.

Sunshine

The average sunshine in December in Brighton is 4.4h.

UV index

The average daily maximum UV index in December in Brighton is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in December transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What are the most humid months in Brighton?

January and December, with an average relative humidity of 85%, are most humid months in Brighton, United Kingdom.

What is the average humidity in December in Brighton?

In Brighton, United Kingdom, the average relative humidity in December is 85%.

What is the rainiest month in Brighton?

The wettest months in Brighton are November and December, with an average 59mm (2.32") of rainfall.

How much does it rain in Brighton in December?

In Brighton, during December, the rain falls for 17.2 days and regularly aggregates up to 59mm (2.32") of precipitation.

How many days does it snow in December in Brighton?

In Brighton, United Kingdom, in December, snow falls for 0.9 days, with typically accumulated 5mm (0.2") of snow.

What is the sea water temperature in December in Brighton?

In December, the average sea temperature in Brighton, United Kingdom, is 11.9°C (53.4°F). Swimming in 11.9°C (53.4°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.

What is the month with the shortest days in Brighton?

December has the shortest days of the year in Brighton, with an average of 8h and 2min of daylight.

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

In December, the average day length in Brighton, United Kingdom, is 8h and 2min.

When are sunrise and sunset in December in Brighton?

In December, on the first day of the month, sunrise is at 7:40 am and sunset at 3:58 pm. On the last day of the month, in Brighton, sunrise is at 8:02 am and sunset at 4:04 pm GMT.

How long on average sun shines in December in Brighton?

The average sunshine duration in December in Brighton is 4.4h.

What is the UV index intensity in December in Brighton?

In December, the average daily maximum UV index in Brighton is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.

Average temperature in December
Brighton, United Kingdom

Average temperature in December - Brighton, United Kingdom
  • Average high temperature in December: 9.2°C

The warmest month (with the highest average high temperature) is August (19.7°C).
The months with the lowest average high temperature are January and February (7.5°C).

  • Average low temperature in December: 5.9°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).

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Average pressure in December
Brighton, United Kingdom

Average pressure in December - Brighton, United Kingdom
  • Average pressure in December: 1015.3mbar

The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011mbar).

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Average wind speed in December
Brighton, United Kingdom

Average wind speed in December - Brighton, United Kingdom
  • Average wind speed in December: 24.6km/h

The windiest month (with the highest average wind speed) is December (24.6km/h).
The calmest month (with the lowest average wind speed) is July (16.8km/h).

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Average humidity in December
Brighton, United Kingdom

Average humidity in December - Brighton, United Kingdom
  • Average humidity in December: 85%

The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (79%).

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Average rainfall in December
Brighton, United Kingdom

Average rainfall in December - Brighton, United Kingdom
  • Average rainfall in December: 59mm

The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is April (23mm).

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Average rainfall days in December
Brighton, United Kingdom

Average rainfall days in December - Brighton, United Kingdom
  • Average rainfall days in December: 17.2 days

The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is September (12.8 days).

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Average snowfall in December
Brighton, United Kingdom

Average snowfall in December - Brighton, United Kingdom
  • Average snowfall in December: 5mm

The month with the highest snowfall is January (8mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in December
Brighton, United Kingdom

Average snowfall days in December - Brighton, United Kingdom
  • Average snowfall days in December: 0.9 days

The months with the highest number of snowfall days are January and February (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in December
Brighton, United Kingdom

Average sea temperature in December - Brighton, United Kingdom
  • Average sea temperature in December: 11.9°C

The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).

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Average daylight in December /
Average sunshine in December
Brighton, United Kingdom

Average daylight in December / Average sunshine in December - Brighton, United Kingdom
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 26min).
The month with the shortest days is December (Average daylight: 8h and 2min).

  • Average sunshine in December: 4.4h

The month with the most sunshine is July (Average sunshine: 9.3h).
The month with the least sunshine is February (Average sunshine: 3.9h).

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Average sunshine days in December
Brighton, United Kingdom

Average sunshine days in December - Brighton, United Kingdom
  • Average sunshine days in December: 9.8 days

The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is November (8.2 days).

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Average UV index in December
Brighton, United Kingdom

Average UV index in December - Brighton, United Kingdom
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).

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Average cloud cover in December
Brighton, United Kingdom

Average cloud cover in December - Brighton, United Kingdom
  • Average cloud cover in December: 57

The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 40).

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Average visibility in December
Brighton, United Kingdom

Average visibility in December - Brighton, United Kingdom
  • Average visibility in December: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).

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