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July is the hottest month in Warsaw, with an average high of 25°C / 77°F; January is the coldest (1°C / 34°F). July is the wettest month, averaging 80 mm / 3.1 in of precipitation.
| Month | High °C / °F | Low °C / °F | Precip mm / in | Wet days |
|---|---|---|---|---|
| Jan | 1 / 34 | -4 / 24 | 30 / 1.2 | 9 |
| Feb | 3 / 37 | -3 / 26 | 29 / 1.1 | 8 |
| Mar | 7 / 45 | -1 / 30 | 26 / 1.0 | 7 |
| Apr | 15 / 58 | 4 / 39 | 34 / 1.3 | 7 |
| May | 20 / 67 | 9 / 48 | 49 / 1.9 | 8 |
| Jun | 23 / 73 | 12 / 54 | 60 / 2.4 | 8 |
| Jul | 25 / 77 | 15 / 58 | 80 / 3.1 | 9 |
| Aug | 25 / 76 | 14 / 57 | 52 / 2.0 | 7 |
| Sep | 19 / 66 | 9 / 49 | 46 / 1.8 | 7 |
| Oct | 13 / 55 | 5 / 41 | 39 / 1.5 | 7 |
| Nov | 7 / 44 | 1 / 34 | 41 / 1.6 | 8 |
| Dec | 3 / 37 | -3 / 27 | 35 / 1.4 | 8 |
Extremes since 1952: highest 37°C / 99°F (August 8, 2013), lowest -31°C / -23°F (January 8, 1987).
Daylight lasts about 16.5 hours in June and 7.5 hours in December.
Data: Meteostat — Warszawa-Okecie, 1991–2020 averages.
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