Greater London weather by month

Check out Greater London weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Greater London (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in Greater London (London)7
7°C maximum daytime temperature in February in Greater London (London)7
10°C maximum daytime temperature in March in Greater London (London)10
13°C maximum daytime temperature in April in Greater London (London)13
17°C maximum daytime temperature in May in Greater London (London)17
20°C maximum daytime temperature in June in Greater London (London)20
22°C maximum daytime temperature in July in Greater London (London)22
22°C maximum daytime temperature in August in Greater London (London)22
19°C maximum daytime temperature in September in Greater London (London)19
15°C maximum daytime temperature in October in Greater London (London)15
10°C maximum daytime temperature in November in Greater London (London)10
8°C maximum daytime temperature in December in Greater London (London)8
Min temperature (night-time)
2°C minimum night-time temperature in January in Greater London (London)2
2°C minimum night-time temperature in February in Greater London (London)2
3°C minimum night-time temperature in March in Greater London (London)3
5°C minimum night-time temperature in April in Greater London (London)5
8°C minimum night-time temperature in May in Greater London (London)8
11°C minimum night-time temperature in June in Greater London (London)11
13°C minimum night-time temperature in July in Greater London (London)13
13°C minimum night-time temperature in August in Greater London (London)13
11°C minimum night-time temperature in September in Greater London (London)11
8°C minimum night-time temperature in October in Greater London (London)8
4°C minimum night-time temperature in November in Greater London (London)4
2°C minimum night-time temperature in December in Greater London (London)2
Heat & Humidity
No heat & humidity in January in Greater London (London)0
No heat & humidity in February in Greater London (London)0
No heat & humidity in March in Greater London (London)0
No heat & humidity in April in Greater London (London)0
No heat & humidity in May in Greater London (London)0
No heat & humidity in June in Greater London (London)0
No heat & humidity in July in Greater London (London)0
No heat & humidity in August in Greater London (London)0
No heat & humidity in September in Greater London (London)0
No heat & humidity in October in Greater London (London)0
No heat & humidity in November in Greater London (London)0
No heat & humidity in December in Greater London (London)0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Greater London

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
8 hours of daylight per day in January in Greater London (London)8
10 hours of daylight per day in February in Greater London (London)10
12 hours of daylight per day in March in Greater London (London)12
14 hours of daylight per day in April in Greater London (London)14
16 hours of daylight per day in May in Greater London (London)16
17 hours of daylight per day in June in Greater London (London)17
16 hours of daylight per day in July in Greater London (London)16
15 hours of daylight per day in August in Greater London (London)15
13 hours of daylight per day in September in Greater London (London)13
11 hours of daylight per day in October in Greater London (London)11
9 hours of daylight per day in November in Greater London (London)9
8 hours of daylight per day in December in Greater London (London)8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Greater London (London)1
UV (maximum) index 1 (Low) in February in Greater London (London)1
UV (maximum) index 2 (Low) in March in Greater London (London)2
UV (maximum) index 4 (Moderate) in April in Greater London (London)4
UV (maximum) index 5 (Moderate) in May in Greater London (London)5
UV (maximum) index 6 (High) in June in Greater London (London)6
UV (maximum) index 6 (High) in July in Greater London (London)6
UV (maximum) index 5 (Moderate) in August in Greater London (London)5
UV (maximum) index 4 (Moderate) in September in Greater London (London)4
UV (maximum) index 2 (Low) in October in Greater London (London)2
UV (maximum) index 1 (Low) in November in Greater London (London)1
No UV (maximum) index in December in Greater London (London)0

Rainfall in Greater London

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
16 days with some rainfall in January in Greater London (London)16
12 days with some rainfall in February in Greater London (London)12
14 days with some rainfall in March in Greater London (London)14
14 days with some rainfall in April in Greater London (London)14
13 days with some rainfall in May in Greater London (London)13
11 days with some rainfall in June in Greater London (London)11
10 days with some rainfall in July in Greater London (London)10
12 days with some rainfall in August in Greater London (London)12
11 days with some rainfall in September in Greater London (London)11
13 days with some rainfall in October in Greater London (London)13
15 days with some rainfall in November in Greater London (London)15
14 days with some rainfall in December in Greater London (London)14
Average monthly rainfall (mm)
55 mm monthly rainfall in January in Greater London (London)55
37 mm monthly rainfall in February in Greater London (London)37
49 mm monthly rainfall in March in Greater London (London)49
47 mm monthly rainfall in April in Greater London (London)47
51 mm monthly rainfall in May in Greater London (London)51
52 mm monthly rainfall in June in Greater London (London)52
49 mm monthly rainfall in July in Greater London (London)49
56 mm monthly rainfall in August in Greater London (London)56
55 mm monthly rainfall in September in Greater London (London)55
58 mm monthly rainfall in October in Greater London (London)58
59 mm monthly rainfall in November in Greater London (London)59
59 mm monthly rainfall in December in Greater London (London)59

More about Greater London

Greater London by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Greater London (London) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in London, Greater London?

Greater London has a temperate climate with warm summers and some rainfall in all months.

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

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Tropical storm risk: Greater London, UK hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the UK

Compare Greater London with the USA

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

Maximum daytime temperature (°C)

Greater London
USA (Washington)
7
5
7
7
10
13
13
19
17
24
20
29
22
31
22
30
19
26
15
20
10
14
8
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

Compare more Greater London weather >>

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