When to go
The Best Time to Visit London
Month-by-month climate data for London, United Kingdom — daily highs and lows, rain days, and an honest verdict for every month of the year.
May–September. Longer days (sunset 9pm in June), parks in bloom, more outdoor possibility. Winters are dark by 4pm.
Warmest in London: Aug (23°C / 73°F) · Coolest: Jan (8°C / 46°F) · Wettest: Oct (~16 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
London climate, month by month
January
8° / 2°C
~11 rain days
Fair
February
10° / 4°C
~13 rain days
Fair
March
11° / 4°C
~14 rain days
Fair
April
14° / 5°C
~9 rain days
Good
May
18° / 8°C
~11 rain days
Excellent
June
21° / 12°C
~11 rain days
Excellent
July
22° / 14°C
~11 rain days
Excellent
August
23° / 14°C
~8 rain days
Excellent
September
20° / 12°C
~11 rain days
Excellent
October
16° / 9°C
~16 rain days
Good
November
11° / 6°C
~11 rain days
Fair
December
9° / 4°C
~12 rain days
Fair
Plan around it
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