London Weather in June
In June, London averages a high of 20°C (68°F) and a low of 11°C (51°F), from 48 years of daily records (1971–2025).
20°C
Average high
68°F
11°C
Average low
51°F
34°C
Record high
94°F · June 30, 2015
3°C
Record low
37°F · June 1, 1975
What June Is Like in London
- June in London has become 1.5°C (2.7°F) warmer on average: the 2011–2025 average against 1970–1989.
- The coldest June reading, 3°C (37°F) on June 1, 1975, has not been matched in 50 years.
- June is the least predictable month in London: daytime highs vary more from day to day and year to year than in any other month.
- The warmest June in the record was 2023; the coldest was 1972.
At least 1 mm of rain falls on 29% of June days, and the month averages 56 mm in total.
Warmest: 2023 (25.9°C)Latest: 2023 (25.9°C)10-year averageLong-run average (19.9°C)
Look Up a Day in June
See the weather in London on any June date, year by year.
Source: NOAA GHCN-Daily, Hampstead (1971–2016); Heathrow (1986–2025). Averages cover 1971–2025. How we compute this