London, England, United Kingdom climate
Average temperatures, precipitation and all-time records for London, England, United Kingdom, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is July, averaging a high of 22°C, and its coldest is February, with an average low of 2°C.
London is the capital and largest city of England and the United Kingdom, with a population of 9.1 million people in 2024. Its wider metropolitan area is the largest in Western Europe, with a population of 15.4 million. via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on London, England, United Kingdom's own ±7-day seasonal distribution.
Notable weather in London
The Great Smog of December 1952 blanketed London in toxic coal fog for days, killing thousands and prompting the UK's landmark Clean Air Act. Read more →
London average temperatures by month
Typical daily high and low, and average precipitation, for each month in London, England, United Kingdom, based on 1980–2026 records. The wettest month is January (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 7°C | 2°C | 3 mm |
| February | 8°C | 2°C | 3 mm |
| March | 10°C | 3°C | 3 mm |
| April | 13°C | 5°C | 3 mm |
| May | 16°C | 8°C | 3 mm |
| June | 19°C | 11°C | 3 mm |
| July | 22°C | 13°C | 3 mm |
| August | 22°C | 14°C | 3 mm |
| September | 19°C | 11°C | 3 mm |
| October | 15°C | 8°C | 3 mm |
| November | 10°C | 5°C | 3 mm |
| December | 8°C | 3°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
Thinking of visiting London?
Trips live and die by the weather. See how London's comfort stacks up against where you live. London is pre-loaded, just add your city.
Record extremes
- Hottest day on record: 36°C on 2022-07-19
- Coldest day on record: -16°C on 1981-12-13
Percentiles compare each day to London, England, United Kingdom's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →