April weather forecast and climate
London, United Kingdom

The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom
The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom

Weather in April

April in London, United Kingdom, is a moderate spring month, with average temperature ranging between max 14.3°C (57.7°F) and min 5.5°C (41.9°F).

Temperature

In April, the average high-temperature slightly increases, from a fresh 10.6°C (51.1°F) in March, to a moderate 14.3°C (57.7°F). In London, in April, the average low-temperature is 5.5°C (41.9°F).

Humidity

In April, the average relative humidity is 76%.

Rainfall

April is the month with the least rainfall. Rain falls for 13.1 days and accumulates 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, 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

The average length of the day is 13.9h.

Sunshine

The average sunshine in London is 7.6h.

UV index

In April, the average daily maximum UV index in London is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for average individuals.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in London?

In April, in London, United Kingdom, the average high-temperature is 14.3°C (57.7°F), and the average low-temperature is 5.5°C (41.9°F).

What is the average humidity in April in London?

In London, the average relative humidity in April is 76%.

How much does it rain in London in April?

In London, in April, it is raining for 13.1 days, with typically 22mm (0.87") of accumulated precipitation.

What is the driest month in London?

April is the month with the least rainfall in London. Rain falls for 13.1 days and accumulates 22mm (0.87") of precipitation.

What is the last month it snows in London?

April is the last month it regularly snows in London. During 0.3 snowfall days, in April, London aggregates 1mm (0.04") of snow.

How many hours of daylight does London have in April?

In London, United Kingdom, the average length of the day in April is 13.9h.

How long on average sun shines in April in London?

In London, the average sunshine in April is 7.6h.

What is the UV index reading in April in London?

In London, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in April
London, United Kingdom

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).

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Average pressure in April
London, United Kingdom

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).

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Average wind speed in April
London, United Kingdom

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).

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Average humidity in April
London, United Kingdom

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%).

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Average rainfall in April
London, United Kingdom

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).

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Average rainfall days in April
London, United Kingdom

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).

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Average snowfall in April
London, United Kingdom

Average snowfall in April - London, United Kingdom
  • Average snowfall in April: 1mm

The month with the highest snowfall is February (16mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in April
London, United Kingdom

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).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
London, United Kingdom

Average daylight in April / Average sunshine in April - London, United Kingdom
  • Average daylight in April: 13.9h

The month with the longest days is June (Average daylight: 16.5h).
The month with the shortest days is December (Average daylight: 7.9h).

  • Average sunshine in April: 7.6h

The month with the most sunshine is August (Average sunshine: 7.9h).
The month with the least sunshine is February (Average sunshine: 3.6h).

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Average sunshine days in April
London, United Kingdom

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).

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Average UV index in April
London, United Kingdom

Average UV index in April - London, United Kingdom
  • Average UV index in April: 3

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

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Average cloud cover in April
London, United Kingdom

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).

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Average visibility in April
London, United Kingdom

Average visibility in April - London, United Kingdom
  • Average visibility in April: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
Months with the lowest visibility are September and November (8km).

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