Historical weather in Köln, Germany
Köln 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, Köln averaged 15.9 C for daily highs and 8.4 C for daily lows across 1096 daily observations.
The warmest month was August 2024, with an average high of 25.6 C, while January 2024 had the lowest average low at 0.3 C.
The wettest month was May 2024, totaling 153.9 mm of precipitation.
The hottest day reached 38.2 C on July 2, 2025; the coldest night fell to -9.6 C on January 20, 2024.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | 2.7 | 7.4 | 93.7 | 31 |
| 2023 | February | 2.4 | 8.6 | 26.6 | 28 |
| 2023 | March | 3.6 | 10.8 | 144.3 | 31 |
| 2023 | April | 4.6 | 13.2 | 101.4 | 30 |
| 2023 | May | 8.9 | 18.9 | 71.7 | 31 |
| 2023 | June | 14.8 | 25.5 | 87.5 | 30 |
| 2023 | July | 15.2 | 24.0 | 131.7 | 31 |
| 2023 | August | 14.7 | 23.0 | 127.7 | 31 |
| 2023 | September | 14.0 | 23.9 | 66.1 | 30 |
| 2023 | October | 10.5 | 17.7 | 99.8 | 31 |
| 2023 | November | 5.1 | 10.1 | 139.5 | 30 |
| 2023 | December | 3.8 | 8.2 | 103.3 | 31 |
| 2024 | January | 0.3 | 5.8 | 76.2 | 31 |
| 2024 | February | 5.4 | 11.0 | 108.3 | 29 |
| 2024 | March | 5.8 | 13.1 | 85.0 | 31 |
| 2024 | April | 6.8 | 15.0 | 94.8 | 30 |
| 2024 | May | 11.3 | 19.9 | 153.9 | 31 |
| 2024 | June | 12.1 | 20.7 | 123.0 | 30 |
| 2024 | July | 14.5 | 23.5 | 77.8 | 31 |
| 2024 | August | 16.2 | 25.6 | 70.1 | 31 |
| 2024 | September | 12.7 | 20.7 | 114.1 | 30 |
| 2024 | October | 9.3 | 16.2 | 92.9 | 31 |
| 2024 | November | 4.8 | 10.0 | 71.5 | 30 |
| 2024 | December | 2.5 | 7.0 | 73.2 | 31 |
| 2025 | January | 0.7 | 5.7 | 116.4 | 31 |
| 2025 | February | 0.9 | 7.2 | 26.3 | 28 |
| 2025 | March | 3.1 | 13.0 | 23.9 | 31 |
| 2025 | April | 7.3 | 17.5 | 65.2 | 30 |
| 2025 | May | 10.0 | 20.4 | 48.6 | 31 |
| 2025 | June | 15.3 | 25.3 | 63.2 | 30 |
| 2025 | July | 15.5 | 24.4 | 98.1 | 31 |
| 2025 | August | 15.0 | 25.2 | 36.0 | 31 |
| 2025 | September | 12.4 | 19.9 | 123.6 | 30 |
| 2025 | October | 9.6 | 14.3 | 94.1 | 31 |
| 2025 | November | 5.0 | 10.5 | 52.9 | 30 |
| 2025 | December | 3.2 | 7.9 | 55.0 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | July 2, 2025 | 38.2 C |
| Coldest night | January 20, 2024 | -9.6 C |
| Wettest day | June 21, 2024 | 50.8 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.