Köln weather in 2023
Köln weather in 2023, with 365 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2023 alongside other available years for Köln.
Year summary
In 2023, Köln averaged 16.0 C for daily highs and 8.4 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was +0.1 C from that baseline, and total precipitation was +147.5 mm from the baseline total.
The warmest month was June, with an average high of 25.5 C, while February had the lowest average low at 2.4 C.
The wettest month was March, totaling 144.3 mm. The hottest day reached 33.3 C on July 9, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 2.7 | 7.4 | 93.7 | 31 |
| February | 2.4 | 8.6 | 26.6 | 28 |
| March | 3.6 | 10.8 | 144.3 | 31 |
| April | 4.6 | 13.2 | 101.4 | 30 |
| May | 8.9 | 18.9 | 71.7 | 31 |
| June | 14.8 | 25.5 | 87.5 | 30 |
| July | 15.2 | 24.0 | 131.7 | 31 |
| August | 14.7 | 23.0 | 127.7 | 31 |
| September | 14.0 | 23.9 | 66.1 | 30 |
| October | 10.5 | 17.7 | 99.8 | 31 |
| November | 5.1 | 10.1 | 139.5 | 30 |
| December | 3.8 | 8.2 | 103.3 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | July 9, 2023 | 33.3 C |
| Coldest night | January 21, 2023 | -4.7 C |
| Wettest day | July 24, 2023 | 38.8 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.