January weather forecast
Brighton, United Kingdom

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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 January

When considering the weather in Brighton, United Kingdom, January shows some diverse patterns. Although not the coldest, January is certainly not inviting for outdoor activities, as it tends to be quite chilly. Adding to the chill, Brighton experiences an intermittent rainfall with 44mm (1.73") falling over about 16.9 days. The sea is far from the levels that would encourage swimming, so beach activities are limited. Surely, January is a time for staying indoors and trying to keep warm.

Temperature

The coldest period falls in January and February, when the average high-temperature reaches 7.5°C (45.5°F).

Humidity

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

Rainfall

In Brighton, in January, during 16.9 rainfall days, 44mm (1.73") of precipitation is typically accumulated. In Brighton, during the entire year, the rain falls for 183 days and collects up to 470mm (18.5") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. The month with the most snowfall in Brighton is January, when snow falls for 1.7 days and typically aggregates up to 8mm (0.31") of snow.

Sea temperature

In Brighton, in January, the average water temperature is 9.3°C (48.7°F).
Note: In 9.3°C (48.7°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).

Daylight

The average length of the day in January in Brighton is 8h and 32min.
On the first day of the month, sunrise is at 8:02 am and sunset at 4:05 pm. On the last day of January, in Brighton, sunrise is at 7:38 am and sunset at 4:49 pm GMT.

Sunshine

In January, the average sunshine in Brighton is 4.2h.

UV index

The months with the lowest UV index in Brighton are January, February and November, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In January, a daily UV index of 2 turns into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

What time of the year is the coldest in Brighton?

Brighton witnesses its lowest temperatures during January and February, when the average high-temperature reaches 7.5°C (45.5°F).

What is the average January temperature in Brighton?

An average high-temperature, in January, in Brighton, is 7.5°C (45.5°F) and the average low-temperature is 4.3°C (39.7°F).

What is the most humid month 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 January in Brighton?

In January, the average relative humidity is 85%.

How many days does it rain in January in Brighton?

In Brighton, United Kingdom, during January, the rain falls for 16.9 days and regularly aggregates up to 44mm (1.73") of precipitation.

What is the snowiest month in Brighton?

The month with the most snowfall is January, when snow falls for 1.7 days and typically aggregates up to 8mm (0.31") of snow.

How much does it snow in Brighton in January?

In Brighton, United Kingdom, in January, during 1.7 snowfall days, 8mm (0.31") of snow is typically accumulated.

What is the water temperature in January in Brighton?

In January, the average sea temperature in Brighton is 9.3°C (48.7°F). Swimming in 9.3°C (48.7°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.

How many hours of daylight does Brighton have in January?

In January, the average day length in Brighton, United Kingdom, is 8h and 32min.

When are sunrise and sunset in January in Brighton?

In January, on the first day of the month, sunrise is at 8:02 am and sunset at 4:05 pm. On the last day of the month, in Brighton, sunrise is at 7:38 am and sunset at 4:49 pm GMT.

How many hours of sunshine does Brighton have in January?

The average sunshine duration in January in Brighton is 4.2h.

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

January, February and November, with an average maximum UV index of 2, are months with the lowest UV index in Brighton.

How high is the UV index in January in Brighton?

In Brighton, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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 January
Brighton, United Kingdom

Average temperature in January - Brighton, United Kingdom
  • Average high temperature in January: 7.5°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 January: 4.3°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).

Average pressure in January
Brighton, United Kingdom

Average pressure in January - Brighton, United Kingdom
  • Average pressure in January: 1015.2mbar

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

Average wind speed in January
Brighton, United Kingdom

Average wind speed in January - Brighton, United Kingdom
  • Average wind speed in January: 23.2km/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).

Average humidity in January
Brighton, United Kingdom

Average humidity in January - Brighton, United Kingdom
  • Average humidity in January: 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%).

Average rainfall in January
Brighton, United Kingdom

Average rainfall in January - Brighton, United Kingdom
  • Average rainfall in January: 44mm

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

Average rainfall days in January
Brighton, United Kingdom

Average rainfall days in January - Brighton, United Kingdom
  • Average rainfall days in January: 16.9 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).

Average snowfall in January
Brighton, United Kingdom

Average snowfall in January - Brighton, United Kingdom
  • Average snowfall in January: 8mm

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

Average snowfall days in January
Brighton, United Kingdom

Average snowfall days in January - Brighton, United Kingdom
  • Average snowfall days in January: 1.7 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).

Average sea temperature in January
Brighton, United Kingdom

Average sea temperature in January - Brighton, United Kingdom
  • Average sea temperature in January: 9.3°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 January /
Average sunshine in January
Brighton, United Kingdom

Average daylight in January / Average sunshine in January - Brighton, United Kingdom
  • Average daylight in January: 8h and 3min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in January
Brighton, United Kingdom

Average sunshine days in January - Brighton, United Kingdom
  • Average sunshine days in January: 10.1 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).

Average UV index in January
Brighton, United Kingdom

Average UV index in January - Brighton, United Kingdom
  • Average UV index in January: 2

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).

Average cloud cover in January
Brighton, United Kingdom

Average cloud cover in January - Brighton, United Kingdom
  • Average cloud cover in January: 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).

Average visibility in January
Brighton, United Kingdom

Average visibility in January - Brighton, United Kingdom
  • Average visibility in January: 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).

Brighton, United Kingdom

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