April weather forecast
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 is a moderate spring month in London, United Kingdom, with an average temperature fluctuating between 14.3°C (57.7°F) and 5.5°C (41.9°F).

Temperature

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

Humidity

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

January through April, November and December are months with snowfall. 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, in London, United Kingdom, there are 7.7 snowfall days, and 50mm (1.97") of snow is accumulated.

Daylight

The average length of the day in April is 13h and 54min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:33 pm. On the last day of April, sunrise is at 5:33 am and sunset at 8:21 pm BST.

Sunshine

In April, the average sunshine is 7.6h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 the 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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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%.

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.

How much does it rain in London in April?

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

What is the last month it snows in London?

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

What is the average length of the day in April in London?

In April, the average day length is 13h and 54min.

When are sunrise and sunset in April in London?

In April, on the first day of the month, sunrise is at 6:35 am and sunset at 7:33 pm. On the last day of the month, in London, sunrise is at 5:33 am and sunset at 8:21 pm BST.

How many hours of sunshine does London have in April?

In April, the average sunshine duration 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 vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).
The 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).
The 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: 13h and 54min

The month with the longest days is June (Average daylight: 16h and 34min).
The month with the shortest days is December (Average daylight: 7h and 56min).

  • Average sunshine in April: 7h and 36min

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).

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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

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).

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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

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).

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