Historical weather in London, United Kingdom
London weather history for 2023-2025, with daily temperatures, precipitation, monthly summaries, and records from Open-Meteo archive data.
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Weather summary
Across 2023-2025, London averaged 15.6 C for daily highs and 8.4 C for daily lows across 1096 daily observations.
The warmest month was June 2025, with an average high of 24.5 C, while January 2023 had the lowest average low at 1.6 C.
The wettest month was September 2024, totaling 169.3 mm of precipitation.
The hottest day reached 33.5 C on July 1, 2025; the coldest night fell to -5.1 C on January 18, 2024.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | 1.6 | 8.3 | 58.6 | 31 |
| 2023 | February | 2.7 | 9.9 | 11.9 | 28 |
| 2023 | March | 4.2 | 10.5 | 98.6 | 31 |
| 2023 | April | 4.5 | 13.2 | 71.4 | 30 |
| 2023 | May | 8.1 | 17.2 | 36.6 | 31 |
| 2023 | June | 12.5 | 23.4 | 39.5 | 30 |
| 2023 | July | 13.6 | 21.2 | 90.0 | 31 |
| 2023 | August | 13.1 | 21.7 | 55.9 | 31 |
| 2023 | September | 13.8 | 23.1 | 57.7 | 30 |
| 2023 | October | 10.0 | 17.0 | 91.8 | 31 |
| 2023 | November | 4.9 | 10.7 | 90.0 | 30 |
| 2023 | December | 5.2 | 9.8 | 79.0 | 31 |
| 2024 | January | 2.2 | 7.9 | 67.4 | 31 |
| 2024 | February | 5.5 | 11.6 | 109.9 | 29 |
| 2024 | March | 5.4 | 12.0 | 81.4 | 31 |
| 2024 | April | 6.8 | 13.7 | 65.3 | 30 |
| 2024 | May | 9.8 | 18.4 | 74.5 | 31 |
| 2024 | June | 10.3 | 20.0 | 24.8 | 30 |
| 2024 | July | 13.1 | 21.8 | 85.0 | 31 |
| 2024 | August | 13.9 | 23.2 | 29.3 | 31 |
| 2024 | September | 11.5 | 19.1 | 169.3 | 30 |
| 2024 | October | 8.8 | 15.6 | 83.2 | 31 |
| 2024 | November | 5.8 | 10.7 | 62.7 | 30 |
| 2024 | December | 5.9 | 9.5 | 40.8 | 31 |
| 2025 | January | 1.8 | 6.6 | 83.8 | 31 |
| 2025 | February | 3.1 | 7.8 | 49.1 | 28 |
| 2025 | March | 4.5 | 12.7 | 12.7 | 31 |
| 2025 | April | 7.5 | 17.4 | 23.9 | 30 |
| 2025 | May | 10.4 | 19.9 | 27.5 | 31 |
| 2025 | June | 14.7 | 24.5 | 40.7 | 30 |
| 2025 | July | 16.2 | 24.4 | 75.5 | 31 |
| 2025 | August | 14.9 | 23.4 | 32.6 | 31 |
| 2025 | September | 11.8 | 18.8 | 61.3 | 30 |
| 2025 | October | 9.9 | 14.9 | 61.7 | 31 |
| 2025 | November | 6.9 | 11.6 | 76.5 | 30 |
| 2025 | December | 5.5 | 9.6 | 68.1 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | July 1, 2025 | 33.5 C |
| Coldest night | January 18, 2024 | -5.1 C |
| Wettest day | September 23, 2024 | 48.7 mm |
Related pages
- London weather in 2023
- London weather in 2024
- London weather in 2025
- London weather on this day
- Historical weather in Birmingham, United Kingdom
- Historical weather in Brussels, Belgium
- Historical weather in Rotterdam, The Netherlands
- Historical weather in Paris, France
- London vs New York City, United States: weather compared
- London vs Los Angeles, United States: weather compared
- London vs Paris, France: weather compared
- London vs Amsterdam, The Netherlands: weather compared
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.