Weatheo

Warsaw Weather by Month

Average temperatures, rainfall and humidity for Warsaw, Poland, month by month, built from OpenWeather’s historical records. Use it to see what a typical Warsaw month looks like before you travel — then check the live Warsaw forecast for the days ahead.

Warmest month

August

26°C average high

Coolest month

January

-3°C average low

Wettest month

September

183 mm of rain

Driest month

November

24 mm of rain

Average temperature and rainfall in Warsaw by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January2°C-3°C-19°C / 18°C
31 mm
85%14 km/h
February4°C-1°C-18°C / 18°C
24 mm
81%14 km/h
March9°C1°C-15°C / 25°C
29 mm
71%14 km/h
April15°C5°C-5°C / 28°C
41 mm
64%15 km/h
May20°C9°C-2°C / 31°C
75 mm
65%13 km/h
June25°C14°C5°C / 38°C
108 mm
65%12 km/h
July26°C15°C9°C / 38°C
81 mm
67%12 km/h
August26°C15°C5°C / 37°C
170 mm
67%12 km/h
September21°C11°C1°C / 35°C
183 mm
75%12 km/h
October14°C6°C-7°C / 25°C
55 mm
83%13 km/h
November8°C3°C-8°C / 19°C
24 mm
87%13 km/h
December4°C0°C-16°C / 14°C
70 mm
88%14 km/h

Best time to visit Warsaw

The most comfortable time to visit Warsaw is generally May to July, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around September, totalling about 891 mm a year.

Travellers who prefer heat should aim for August, when highs average 26°C. September is the month to avoid if rain would spoil your plans — it averages 183 mm, roughly 8× the rainfall of the driest month (November).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Warsaw forecast for what is happening now.

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