London Weather in July
In July, London averages a high of 22°C (72°F) and a low of 13°C (56°F), from 49 years of daily records (1971–2025).
22°C
Average high
72°F
13°C
Average low
56°F
40°C
Record high
104°F · July 19, 2022
4°C
Record low
40°F · July 3, 1974
What July Is Like in London
- The coldest July reading, 4°C (40°F) on July 3, 1974, has not been matched in 51 years.
- July is London's warmest month of the year.
- July in London has become 1.2°C (2.1°F) warmer on average: the 2011–2025 average against 1970–1989.
- A typical July brings 1 day above 30°C (86°F).
At least 1 mm of rain falls on 26% of July days, and the month averages 49 mm in total.
Warmest: 2006 (27.1°C)Latest: 2024 (23.9°C)10-year averageLong-run average (22.3°C)
Look Up a Day in July
See the weather in London on any July date, year by year.
Source: NOAA GHCN-Daily, Hampstead (1971–2016); Heathrow (1986–2025). Averages cover 1971–2025. How we compute this