London Weather — 10-Day Forecast and 30-Day Outlook

Weather in London (United Kingdom) right now and for the days ahead: a day-by-day 10-day forecast, an outlook up to 30 days, and past weather for any date.

London climate by month

In London, the warmest month is July, with average highs of 23.1 °C, and the coldest is January, with average lows of 1.3 °C. About 730 mm of rain falls each year over 142 days; October is the wettest month (78 mm) and April the driest (38 mm).

Best time to visit London: for mild, mostly dry days, aim for June, July, August, September.

Month	Avg high	Avg low	Rain	Rainy days
January	7.1 °C	1.3 °C	67 mm	14
February	8.8 °C	2.2 °C	55 mm	12
March	10.8 °C	3.1 °C	60 mm	13
April	13.7 °C	4 °C	38 mm	10
May	17.4 °C	7.4 °C	51 mm	11
June	20.8 °C	10.6 °C	61 mm	10
July	23.1 °C	12.8 °C	54 mm	11
August	23.1 °C	12.8 °C	61 mm	11
September	20.3 °C	10.6 °C	54 mm	11
October	15.8 °C	8 °C	78 mm	13
November	10.7 °C	4.6 °C	74 mm	13
December	8.6 °C	3.9 °C	77 mm	14

2015–2024 averages computed from NASA POWER data (about 50 km grid: values may differ slightly from a city weather station, especially on the coast or in the mountains).

Frequently asked questions

What is the 15-day weather forecast for London?

The first 10 days come from the forecast model of the Norwegian Meteorological Institute (MET Norway), updated several times a day. After that, we show the outlook: the normal temperatures in London for the time of year and the chance of rain, based on the last 10 years.

Is there a 30-day forecast for London?

No model can reliably forecast the weather on a specific day 30 days ahead. The outlook shows what is typical in London at that time of year: a good basis for planning a trip, to be checked against the 10-day forecast as the date gets closer.

What is the hottest month in London?

July, with average highs of 23.1 °C. The coldest month is January, with average lows of 1.3 °C.

What is the rainiest month in London?

October. The driest month is April. On average it rains on 142 days a year in London, for about 730 mm of precipitation.

How can I check past weather in London?

Pick a date in the "Past weather" section to see the high and low temperatures and the rain recorded that day, how it compared with normal, and the same day in previous years.

London Weather: 10-Day Forecast and 30-Day Outlook

London

Forecast

Outlook up to 30 days

Past weather: what was it like?

Last 14 days

London climate by month

Frequently asked questions

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