London
United Kingdom
Long-term weather forecast
Long-term weather forecast
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August weather forecast and Climate
London, United Kingdom

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The large Thames river in London overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom, on a cloudy evening after sunset
The large Thames river in London overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom, on a cloudy evening after sunset
August is warm with mostly bright skies in London as the rain Gods sprinkle the usual quota of drizzle. The rarely heavy rainfall measures around 48.3mm (1.9").
The average temperatures linger in the 13.9°C (57°F) to 22.8°C (73°F) zone with little variation every day.
Sunshine registers around 204 hours in August with many sunny periods. The sunset is beautiful to watch from many places: over the river or the hills. Visitors from the temperate zones meander along in light summer clothes as they find the heat and rain moderate at best.
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  • The average high temperature in August: 23.2°C

The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (8.1°C).

  • The average low temperature in August: 13.7°C

The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).

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  • The average rainfall in August: 49.5mm

The wettest month (with the highest rainfall) is October (68.5mm).
The driest month (with the lowest rainfall) is February (40.9mm).

  • The average rainfall days in August: 7.5 days

The month with the highest number of rainy days is January (11.1 days).
The month with the lowest number of rainy days is August (7.5 days).

  • The average daylight in August: 15h

The month with the longest days is June (Average daylight: 17h).
Months with shortest days are January and December (Average daylight: 8h).

  • The average sunshine in August: 6.6h

Months with most sunshine are June and July (Average sunshine: 6.8h).
The month with least sunshine is December (Average sunshine: 1.7h).

  • The average UV index in August: 5

Months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 0).

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