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July is the hottest month in London with an average temperature of 21°C (69°F) and the coldest is January at -6°C (21°F) with the most daily sunshine hours at 11 in July. The wettest month is December with an average of 100mm 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
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
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
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
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
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
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
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
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
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
More Annual Averages
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London : Next 24-Hour Weather
Today - 15th September 2025
Sunrise 07:05
Sunset 19:35
3:00
17°C
(62°F)
4:00
16°C
(60°F)
5:00
15°C
(58°F)
6:00
14°C
(57°F)
7:00
15°C
(57°F)
8:00
16°C
(61°F)
9:00
19°C
(65°F)
10:00
22°C
(71°F)
11:00
25°C
(75°F)
12:00
27°C
(79°F)
13:00
27°C
(80°F)
14:00
27°C
(80°F)
15:00
27°C
(79°F)
16:00
26°C
(79°F)
17:00
26°C
(78°F)
18:00
25°C
(77°F)
19:00
24°C
(74°F)
20:00
22°C
(70°F)
21:00
20°C
(67°F)
22:00
18°C
(63°F)
23:00
16°C
(60°F)
Tomorrow - 16th September 2025
Sunrise 07:05
Sunset 19:35
0:00
15°C
(58°F)
1:00
14°C
(56°F)
2:00
13°C
(55°F)
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