Greater London weather

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The weather guide for Greater London shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in Greater London?

The hottest time of year in London, Greater London is normally July. Expect maximum daytime temperatures to reach 22°C.

Which month has the most rain in Greater London?

In terms of rainfall, December is usually the wettest month in London, Greater London with 59mm on average. There are normally 14 days in December with some rain.

When is it sunniest in Greater London?

The sunniest time of year in London, Greater London is normally August with bright sunshine on average for 41% of daylight hours; that's 6 hours of sunshine per day.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Greater London weather with the USA

Below the Greater London weather chart shows average maximum daytime temperature for Greater London and the USA (Washington).

Maximum daytime temperature (°C)

Greater London
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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