Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The beginning of April in London signals a minor rise in the average high-temperature, moving from a cool 10.6°C (51.1°F) in March to a moderate 14.3°C (57.7°F). During the month of April, an average temperature of 5.5°C (41.9°F) is noted during the nights.Humidity
In London, the average relative humidity in April is 76%.Rainfall
The month with the least rainfall is April, when the rain falls for 13.1 days and typically collects 22mm (0.87") of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, London aggregates 1mm (0.04") of snow. Throughout the year, there are 7.7 snowfall days, and 50mm (1.97") of snow is accumulated.Daylight
In London, the average length of the day in April is 13h and 54min.On the first day of April, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:22 pm BST.
Sunshine
In April, the average sunshine is 7.6h.UV index
In April, the average daily maximum UV index in London, United Kingdom, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, a regular UV index of 3 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are April temperatures in London?
What is the average humidity in April in London?
What is the driest month in London?
How much does it rain in London in April?
What is the last month it snows in London?
What is the average length of the day in April in London?
When are sunrise and sunset in April in London?
How many hours of sunshine does London have in April?
How high is the UV index in April in London?
Average temperature in April
London, United Kingdom
- Average high temperature in April: 14.3°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 April: 5.5°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 April
London, United Kingdom
- Average pressure in April: 1015.7mbar
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 April
London, United Kingdom
- Average wind speed in April: 13.3km/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 April
London, United Kingdom
- Average humidity in April: 76%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in April
London, United Kingdom
- Average rainfall in April: 22mm
The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in April
London, United Kingdom
- Average rainfall days in April: 13.1 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 April
London, United Kingdom
- Average snowfall in April: 1mm
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 April
London, United Kingdom
- Average snowfall days in April: 0.3 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 April /
Average sunshine in April
London, United Kingdom
- Average daylight in April: 13h and 5min
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 April: 7h and 4min
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 April
London, United Kingdom
- Average sunshine days in April: 14.8 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 April
London, United Kingdom
- Average UV index in April: 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, November and December (UV index 2).
Average cloud cover in April
London, United Kingdom
- Average cloud cover in April: 50
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 April
London, United Kingdom
- Average visibility in April: 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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