London Weather by Month
Twelve months of London, United Kingdom weather — averages from 2006–2025.
London's warmest month is July (average high 22.3°C (72.1°F)) and the coolest is January (7.4°C (45.3°F)). The most rain falls in November (about 67 mm), and April is the driest (about 40 mm). July is the sunniest, with about 11.4 hours of sunshine a day.
Best months to visit London
Ranked within London's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
London month by month
January
FairHigh 7.4°C (45.3°F)
Low 2°C (35.6°F)
- Rainfall
- 60 mm (2.4 in)
- Rainy days
- 12 rainy days
- Sunshine
- 4 h sunshine / day
February
FairHigh 8.3°C (46.9°F)
Low 2.3°C (36.1°F)
- Rainfall
- 53 mm (2.1 in)
- Rainy days
- 11 rainy days
- Sunshine
- 5 h sunshine / day
March
FairHigh 10.7°C (51.3°F)
Low 3.3°C (37.9°F)
- Rainfall
- 48 mm (1.9 in)
- Rainy days
- 11 rainy days
- Sunshine
- 7.1 h sunshine / day
April
GoodHigh 14.1°C (57.4°F)
Low 5.2°C (41.4°F)
- Rainfall
- 40 mm (1.6 in)
- Rainy days
- 10 rainy days
- Sunshine
- 9.8 h sunshine / day
May
GoodHigh 17.1°C (62.8°F)
Low 8.6°C (47.5°F)
- Rainfall
- 59 mm (2.3 in)
- Rainy days
- 11 rainy days
- Sunshine
- 10.3 h sunshine / day
June
GreatHigh 20.3°C (68.5°F)
Low 11.7°C (53.1°F)
- Rainfall
- 59 mm (2.3 in)
- Rainy days
- 10 rainy days
- Sunshine
- 11.3 h sunshine / day
July
GoodHigh 22.3°C (72.1°F)
Low 13.9°C (57°F)
- Rainfall
- 63 mm (2.5 in)
- Rainy days
- 11 rainy days
- Sunshine
- 11.4 h sunshine / day
August
GreatHigh 21.5°C (70.7°F)
Low 13.6°C (56.5°F)
- Rainfall
- 59 mm (2.3 in)
- Rainy days
- 10 rainy days
- Sunshine
- 9.8 h sunshine / day
September
GreatHigh 19.2°C (66.6°F)
Low 11.5°C (52.7°F)
- Rainfall
- 50 mm (2 in)
- Rainy days
- 9 rainy days
- Sunshine
- 8.3 h sunshine / day
October
GoodHigh 15.3°C (59.5°F)
Low 8.9°C (48°F)
- Rainfall
- 67 mm (2.6 in)
- Rainy days
- 12 rainy days
- Sunshine
- 5.9 h sunshine / day
November
FairHigh 10.8°C (51.4°F)
Low 5.3°C (41.5°F)
- Rainfall
- 67 mm (2.6 in)
- Rainy days
- 12 rainy days
- Sunshine
- 4.4 h sunshine / day
December
FairHigh 8.3°C (46.9°F)
Low 3.4°C (38.1°F)
- Rainfall
- 61 mm (2.4 in)
- Rainy days
- 11 rainy days
- Sunshine
- 3.6 h sunshine / day
More United Kingdom cities by month
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.