London Weather in April
In April, London averages a high of 13°C (56°F) and a low of 5°C (41°F), from 48 years of daily records (1971–2025).
13°C
Average high
56°F
5°C
Average low
41°F
26°C
Record high
79°F · April 22, 2011
-3°C
Record low
27°F · April 11, 1978
What April Is Like in London
- April in London has become 2.2°C (4.0°F) warmer on average: the 2011–2025 average against 1970–1989.
- 5 of the 10 warmest Aprils on record in London have come since 2011.
- April 2024 was the 4th warmest April in 48 years of records, 2.0°C (3.6°F) above the long-run average.
- The coldest April reading, -3°C (27°F) on April 11, 1978, has not been matched in 47 years.
At least 1 mm of rain falls on 30% of April days, and the month averages 49 mm in total.
Warmest: 2011 (18.7°C)Latest: 2024 (15.2°C)10-year averageLong-run average (13.3°C)
Look Up a Day in April
See the weather in London on any April date, year by year.
Source: NOAA GHCN-Daily, Hampstead (1971–2016); Heathrow (1986–2025). Averages cover 1971–2025. How we compute this