The warmest month in London is July, with an average high of 22.9°C and an average low of 14.3°C. The coldest month is January, with an average high of 7.6°C and an average low of 1.8°C. Between 2016 and 2025, the highest temperature recorded was 37.9°C (July 19, 2022) and the lowest was -10.3°C (February 11, 2021).
| Month | Avg. high | Avg. low | Precipitation |
|---|---|---|---|
| January | 7.6°C | 1.8°C | 63 mm |
| February | 9.3°C | 2.9°C | 54 mm |
| March | 11.2°C | 4°C | 57 mm |
| April | 14.2°C | 5.2°C | 40 mm |
| May | 17.9°C | 8.7°C | 55 mm |
| June | 21.3°C | 12.2°C | 63 mm |
| July | 22.9°C | 14.3°C | 60 mm |
| August | 22.6°C | 14°C | 49 mm |
| September | 19.9°C | 11.8°C | 64 mm |
| October | 15.6°C | 9°C | 78 mm |
| November | 10.9°C | 5.2°C | 68 mm |
| December | 9°C | 4°C | 67 mm |
Based on daily historical weather data 2016–2025. Weather data by Open-Meteo.com.
Explore detailed temperature patterns in London, United Kingdom through interactive candlestick charts. View historical weather data with daily temperature ranges, trends, and variations. Whether you're planning a trip to London or analyzing local climate patterns, our unique visualization makes temperature data easy to understand. Get insights into London's weather patterns from hourly updates to yearly historical data.