Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, with average temperatures reaching a high of 6.8°C (44.2°F) and a low of 2.2°C (36°F), is the coldest month.Humidity
In January, the average relative humidity in London is 87%.Rainfall
In London, during January, the rain falls for 11.2 days and regularly aggregates up to 23mm (0.91") of precipitation. In London, United Kingdom, during the entire year, the rain falls for 151.7 days and collects up to 370mm (14.57") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In January, it is snowing for 2.2 days. Throughout January, 15mm (0.59") of snow is accumulated. In London, during the entire year, snow falls for 7.7 days and aggregates up to 50mm (1.97") of snow.Daylight
The average length of the day in January in London is 8h and 27min.On the first day of January in London, sunrise is at 8:06 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:47 pm GMT.
Sunshine
In January, the average sunshine in London, United Kingdom, is 4.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the coldest months in London?
How cold is January in London?
What is the average humidity in January in London?
How much does it rain in London in January?
How many days does it snow in January in London?
What is the average length of the day in January in London?
What time are sunrise and sunset in January in London?
How long on average sun shines in January in London?
When is the lowest UV index in London?
How high is the UV index in January in London?
Average temperature in January
London, United Kingdom
- Average high temperature in January: 6.8°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in January: 2.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in January
London, United Kingdom
- Average pressure in January: 1014.6mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in January
London, United Kingdom
- Average wind speed in January: 16.5km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is September (12.6km/h).
Average humidity in January
London, United Kingdom
- Average humidity in January: 87%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in January
London, United Kingdom
- Average rainfall in January: 23mm
The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in January
London, United Kingdom
- Average rainfall days in January: 11.2 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in January
London, United Kingdom
- Average snowfall in January: 15mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
London, United Kingdom
- Average snowfall days in January: 2.2 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
London, United Kingdom
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in January
London, United Kingdom
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in January
London, 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, November and December (UV index 2).
Average cloud cover in January
London, United Kingdom
- Average cloud cover in January: 58
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in January
London, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
The months with the lowest visibility are September and November (8km).
London, United Kingdom
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