Brighton
United Kingdom
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Brighton, United Kingdom

Brown sandy shores of Brighton Beach in the United Kingdom, with a background view of the city buildings, and people scattered on the shore
Brown sandy shores of Brighton Beach in the United Kingdom, with a background view of the city buildings, and people scattered on the shore
The first month of the winter, December, is still a chilly month in Brighton, United Kingdom, with average temperature varying between 4°C (39.2°F) and 9°C (48.2°F).

Temperature

In December, the average high-temperature is almost the same as in November - a chilly 9°C (48.2°F). In Brighton, United Kingdom, the average low-temperature is 4°C (39.2°F).

Rainfall

In Brighton, in December, it is raining for 17 days, with typically 97mm (3.8") of accumulated precipitation. Throughout the year, in Brighton, there are 167 rainfall days, and 851mm (33.5") of precipitation is accumulated.

Sea temperature

In Brighton, in December, the average water temperature is 11.9°C (53.4°F).
Note: Swimming in 11.9°C (53.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

December has the shortest days of the year, with an average of 8h of daylight.

Sunshine

Months with the least sunshine are January, November and December, with an average of 2h of sunshine.

UV index

Months with the lowest UV index in Brighton are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 1 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in December in Brighton?

The average high-temperature, in December, in Brighton, is 9°C (48.2°F), while the average low-temperature is 4°C (39.2°F).

How much does it rain in Brighton in December?

In Brighton, in December, it is raining for 17 days, with typically 97mm (3.8") of accumulated precipitation.

What is the water temperature in December in Brighton?

In Brighton, in December, the average water temperature is 11.9°C (53.4°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 Brighton?

With an average of 8h of daylight, December has the shortest days of the year.

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

In December, the average length of the day in Brighton, United Kingdom, is 8h.

What is the month with the least sunshine in Brighton?

Months with the least sunshine in Brighton are January, November and December, with an average of 2h of sunshine.

How long on average sun shines in December in Brighton?

The average sunshine in December in Brighton is 2h.

What is the month with the lowest UV index in Brighton?

Months with the lowest UV index in Brighton are January, February, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Brighton?

In Brighton, United Kingdom, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in December - Brighton, United Kingdom
  • Average high temperature in December: 9°C

The warmest month (with the highest average high temperature) is August (21°C).
Months with the lowest average high temperature are January and February (8°C).

  • Average low temperature in December: 4°C

Months with the highest average low temperature are July and August (14°C).
Coldest months (with the lowest average low temperature) are January and February (3°C).

Average rainfall in December - Brighton, United Kingdom
  • Average rainfall in December: 97mm

The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the lowest rainfall) is June (50mm).

Average rainfall days in December - Brighton, United Kingdom
  • Average rainfall days in December: 17 days

The month with the highest number of rainy days is January (18 days).
The month with the lowest number of rainy days is July (10 days).

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).

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

The month with the longest days is June (Average daylight: 16.4h).
The month with shortest days is December (Average daylight: 8h).

  • Average sunshine in December: 2h

Months with most sunshine are May, June, July and August (Average sunshine: 7h).
Months with least sunshine are January, November and December (Average sunshine: 2).

Average UV index in December - Brighton, United Kingdom
  • Average UV index in December: 1

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 1).