Climate and monthly 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 January

January, the same as December, in London, United Kingdom, is a frosty winter month, with an average temperature varying between 6.8°C (44.2°F) and 2.2°C (36°F). The coldest month is January, with an average high-temperature of 6.8°C (44.2°F) and an average low-temperature of 2.2°C (36°F). Weather in January »

Weather in February

February, the last month of the winter in London, is another chilly month, with an average temperature fluctuating between 2.6°C (36.7°F) and 7.6°C (45.7°F). In London, the average high-temperature in February is almost the same as in January - a still chilly 7.6°C (45.7°F). Weather in February »

Weather in March

March, the first month of the spring in London, is a cool month, with an average temperature fluctuating between 3.7°C (38.7°F) and 10.6°C (51.1°F). In London, the average high-temperature in March slightly increases from a chilly 7.6°C (45.7°F) in February to a cool 10.6°C (51.1°F). Weather in March »

Weather in April

April is a mild spring month in London, United Kingdom, with temperature in the range of an average high of 14.3°C (57.7°F) and an average low of 5.5°C (41.9°F). In London, the average high-temperature in April marginally rises from a fresh 10.6°C (51.1°F) in March to a mild 14.3°C (57.7°F). Weather in April »

Weather in May

May, the last month of the spring in London, is an enjoyable month, with an average temperature varying between 8.3°C (46.9°F) and 16.8°C (62.2°F). In May, the average high-temperature is essentially the same as in April - an enjoyable 16.8°C (62.2°F). Weather in May »

Weather in June

The first month of the summer, June, is also an enjoyable month in London, United Kingdom, with an average temperature varying between 11°C (51.8°F) and 19.8°C (67.6°F). In London, the average high-temperature in June marginally rises from 16.8°C (62.2°F) in May to a still enjoyable 19.8°C (67.6°F). Weather in June »

Weather in July

July in London, United Kingdom, is an agreeable summer month, with temperature in the range of an average high of 22.3°C (72.1°F) and an average low of 13.5°C (56.3°F). With an average high-temperature of 22.3°C (72.1°F) and an average low-temperature of 13.5°C (56.3°F), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another pleasant month in London, United Kingdom, with an average temperature fluctuating between 21.9°C (71.4°F) and 13.8°C (56.8°F). In London, United Kingdom, the average high-temperature in August is almost the same as in July - a still agreeable 21.9°C (71.4°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in London, United Kingdom, with temperature in the range of an average low of 11.3°C (52.3°F) and an average high of 19°C (66.2°F). In September, the average high-temperature is practically the same as in August - a comfortable 19°C (66.2°F). Weather in September »

Weather in October

October, like September, is another mild autumn month in London, United Kingdom, with temperature in the range of an average high of 15.3°C (59.5°F) and an average low of 9.2°C (48.6°F). In London, the average high-temperature in October slightly decreases from an enjoyable 19°C (66.2°F) in September to a mild 15.3°C (59.5°F). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in London, United Kingdom, with an average temperature varying between 5.7°C (42.3°F) and 10.4°C (50.7°F). In November, the average high-temperature marginally drops from a moderate 15.3°C (59.5°F) in October to a cool 10.4°C (50.7°F). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in London, United Kingdom, with an average temperature fluctuating between 3.5°C (38.3°F) and 7.8°C (46°F). In December, the average high-temperature is relatively the same as in November - a frosty 7.8°C (46°F). Weather in December »
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FAQ

What is the coldest month in London?

The coldest month in London is January, with an average high-temperature of 6.8°C (44.2°F) and an average low-temperature of 2.2°C (36°F).

How many days does it rain in London?

In London, during the entire year, the rain falls for 151.7 days and collects up to 370mm (14.57") of precipitation.

When does it snow in London?

Months with snowfall are January through April, November and December.

How much does it snow in London?

Throughout the year, there are 7.7 snowfall days, and 50mm (1.97") of snow is accumulated.

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

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

What is the snowiest month in London?

The month with the most snowfall in London, United Kingdom, is February, when snow falls for 2.5 days and typically aggregates up to 16mm (0.63") of snow.

What is the month with the least sunshine in London?

The month with the least sunshine in London is February, with an average of 3.6h of sunshine.

When is Daylight Saving Time (DST) in London?

On Sunday, 27. March 2022, at 1:00 am, Daylight Saving Time starts, and the time zone changes from GMT to BST. Daylight Saving Time ends on Sunday, 30. October 2022, at 2:00 am, and the time zone reverts from BST to GMT.

What is the driest month in London?

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

When it does not snow in London?

In London, United Kingdom, snow does not fall in May through October.

What is the wettest month in London?

June is the month with the most rainfall. Rain falls for 16 days and accumulates 45mm (1.77") of precipitation.

When are the longest days in London?

With an average of 16h and 34min of daylight, June has the longest days of the year in London, United Kingdom.

What is the month with the highest UV index in London?

The months with the highest UV index in London are June and July, with an average maximum UV index of 5.

What is the warmest month in London?

July is the warmest month in London, with an average high-temperature of 22.3°C (72.1°F) and an average low-temperature of 13.5°C (56.3°F).

What is the least humid month in London?

The least humid month is August, with an average relative humidity of 72%.

What month has the most sunshine in London?

With an average of 7.9h of sunshine, August has the most sunshine of the year in London.

What is the most humid month in London?

December is the most humid month in London, United Kingdom, with an average relative humidity of 88%.

What is the month with the shortest days in London?

December has the shortest days of the year in London, with an average of 7h and 56min of daylight.

Average temperature
London, United Kingdom

Average temperature - London, United Kingdom

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).

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
London, United Kingdom

Average pressure - London, United Kingdom

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
London, United Kingdom

Average wind speed - London, United Kingdom

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
London, United Kingdom

Average humidity - London, United Kingdom

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
London, United Kingdom

Average rainfall - London, United Kingdom

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
London, United Kingdom

Average rainfall days - London, United Kingdom

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
London, United Kingdom

Average snowfall - London, United Kingdom

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
London, United Kingdom

Average snowfall days - London, United Kingdom

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 / Average sunshine
London, United Kingdom

Average daylight / Average sunshine - London, United Kingdom

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).

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
London, United Kingdom

Average sunshine days - London, United Kingdom

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
London, United Kingdom

Average UV index - London, United Kingdom

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 visibility
London, United Kingdom

Average visibility - London, United Kingdom

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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