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London, United Kingdom Weather Averages

July is the hottest month in London with an average temperature of 19°C (66°F) and the coldest is January at 5°C (41°F) with the most daily sunshine hours at 7 in June. The wettest month is October with an average of 71mm of rain..

Average Temperature London

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature London

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Day Temperature London

What is Average Day Temperature?
The average temperature recorded between sunrise and sunset
What is Average Day Temperature?
The average temperature recorded between sunrise and sunset

Average Night Temperature London

What is Average Night Temperature?
The average temperature recorded between sunset and sunrise
What is Average Night Temperature?
The average temperature recorded between sunset and sunrise

Average Rainfall London

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours London

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

London : Next 24-Hour Weather

Today - 6th September 2026

Sunrise 06:21

Sunrise

Sunset 19:36

Sunset
10:00
Overcast
20°C (67°F)
11:00
Overcast
22°C (71°F)
12:00
Overcast
24°C (74°F)
13:00
Overcast
25°C (76°F)
14:00
Overcast
26°C (77°F)
15:00
Clear
26°C (78°F)
16:00
Partly cloudy
26°C (79°F)
17:00
Overcast
26°C (78°F)
18:00
Partly cloudy
25°C (76°F)
19:00
Clear
24°C (74°F)
20:00
Patchy rain possible
22°C (71°F)
21:00
Patchy rain possible
21°C (70°F)
22:00
Patchy rain possible
21°C (69°F)
23:00
Overcast
21°C (68°F)

Tomorrow - 7th September 2026

Sunrise 06:21

Sunrise

Sunset 19:36

Sunset
0:00
Overcast
20°C (68°F)
1:00
Overcast
20°C (68°F)
2:00
Overcast
20°C (67°F)
3:00
Overcast
20°C (67°F)
4:00
Overcast
19°C (66°F)
5:00
Partly cloudy
19°C (65°F)
6:00
Clear
18°C (64°F)
7:00
Clear
18°C (63°F)
8:00
Clear
19°C (65°F)
9:00
Clear
20°C (67°F)
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