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London Climate Guide
United Kingdom
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Maximum Daytime Temperature (°C)
Minimum Night-time Temperature (°C)
7
7 °C (45°F) Maximum Daytime Temperature in January
7
7 °C (45°F) Maximum Daytime Temperature in February
10
10 °C (50°F) Maximum Daytime Temperature in March
13
13 °C (55°F) Maximum Daytime Temperature in April
17
17 °C (63°F) Maximum Daytime Temperature in May
20
20 °C (68°F) Maximum Daytime Temperature in June
22
22 °C (72°F) Maximum Daytime Temperature in July
21
21 °C (70°F) Maximum Daytime Temperature in August
19
19 °C (66°F) Maximum Daytime Temperature in September
15
15 °C (59°F) Maximum Daytime Temperature in October
10
10 °C (50°F) Maximum Daytime Temperature in November
8
8 °C (46°F) Maximum Daytime Temperature in December
J F M A M J J A S O N D
2
2 °C (36°F) Minimum Night-time Temperature in January
2
2 °C (36°F) Minimum Night-time Temperature in February
3
3 °C (37°F) Minimum Night-time Temperature in March
5
5 °C (41°F) Minimum Night-time Temperature in April
8
8 °C (46°F) Minimum Night-time Temperature in May
11
11 °C (52°F) Minimum Night-time Temperature in June
13
13 °C (55°F) Minimum Night-time Temperature in July
12
12 °C (54°F) Minimum Night-time Temperature in August
10
10 °C (50°F) Minimum Night-time Temperature in September
8
8 °C (46°F) Minimum Night-time Temperature in October
4
4 °C (39°F) Minimum Night-time Temperature in November
3
3 °C (37°F) Minimum Night-time Temperature in December
J F M A M J J A S O N D
Hours of Sunshine
Hours of Daylight
2
2 Hours of Sunshine (19% of Daylight Hours) in January
2
2 Hours of Sunshine (23% of Daylight Hours) in February
4
4 Hours of Sunshine (30% of Daylight Hours) in March
5
5 Hours of Sunshine (35% of Daylight Hours) in April
6
6 Hours of Sunshine (39% of Daylight Hours) in May
7
7 Hours of Sunshine (40% of Daylight Hours) in June
6
6 Hours of Sunshine (39% of Daylight Hours) in July
6
6 Hours of Sunshine (41% of Daylight Hours) in August
5
5 Hours of Sunshine (38% of Daylight Hours) in September
3
3 Hours of Sunshine (32% of Daylight Hours) in October
2
2 Hours of Sunshine (24% of Daylight Hours) in November
1
1 Hour of Sunshine (18% of Daylight Hours) in December
J F M A M J J A S O N D
8
8 Hours of Daylight in January
10
10 Hours of Daylight in February
12
12 Hours of Daylight in March
14
14 Hours of Daylight in April
16
16 Hours of Daylight in May
17
17 Hours of Daylight in June
16
16 Hours of Daylight in July
15
15 Hours of Daylight in August
13
13 Hours of Daylight in September
11
11 Hours of Daylight in October
9
9 Hours of Daylight in November
8
8 Hours of Daylight in December
J F M A M J J A S O N D
Days with some Rain
Monthly Rainfall (mm)
17
17 Days with some Rain in January
13
13 Days with some Rain in February
15
15 Days with some Rain in March
14
14 Days with some Rain in April
14
14 Days with some Rain in May
12
12 Days with some Rain in June
11
11 Days with some Rain in July
12
12 Days with some Rain in August
12
12 Days with some Rain in September
14
14 Days with some Rain in October
16
16 Days with some Rain in November
15
15 Days with some Rain in December
J F M A M J J A S O N D
58
58 mm (2.3 inches) Monthly Rainfall in January
39
39 mm (1.5 inches) Monthly Rainfall in February
51
51 mm (2.0 inches) Monthly Rainfall in March
49
49 mm (1.9 inches) Monthly Rainfall in April
54
54 mm (2.1 inches) Monthly Rainfall in May
53
53 mm (2.1 inches) Monthly Rainfall in June
48
48 mm (1.9 inches) Monthly Rainfall in July
56
56 mm (2.2 inches) Monthly Rainfall in August
58
58 mm (2.3 inches) Monthly Rainfall in September
62
62 mm (2.4 inches) Monthly Rainfall in October
61
61 mm (2.4 inches) Monthly Rainfall in November
62
62 mm (2.4 inches) Monthly Rainfall in December
J F M A M J J A S O N D
Heat & Humidity / Chance of Frost
UV Index (Maximum)
15
15 Days with Frost in January
14
14 Days with Frost in February
13
13 Days with Frost in March
8
8 Days with Frost in April
3
3 Days with Frost in May
-
No Heat & Humidity or Frost in June
-
No Heat & Humidity or Frost in July
-
No Heat & Humidity or Frost in August
-
No Heat & Humidity or Frost in September
3
3 Days with Frost in October
10
10 Days with Frost in November
13
13 Days with Frost in December
J F M A M J J A S O N D
1
UV 1 (Low) in January
1
UV 1 (Low) in February
2
UV 2 (Low) in March
4
UV 4 (Moderate) in April
5
UV 5 (Moderate) in May
6
UV 6 (High) in June
6
UV 6 (High) in July
5
UV 5 (Moderate) in August
4
UV 4 (Moderate) in September
2
UV 2 (Low) in October
1
UV 1 (Low) in November
0
UV 0 (None) in December
J F M A M J J A S O N D
Sea Temperature (°C)
London Climate Guide (Historical Weather Averages), United Kingdom
Elev: 0 m   Long: 000°09'W   Lat: 51°30'N
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