Weatheo

Poznań Weather by Month

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

Warmest month

August

26°C average high

Coolest month

January

-2°C average low

Wettest month

May

57 mm of rain

Driest month

April

23 mm of rain

Average temperature and rainfall in Poznań 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
January3°C-2°C-21°C / 16°C
38 mm
87%15 km/h
February5°C-1°C-17°C / 18°C
25 mm
82%14 km/h
March9°C1°C-17°C / 22°C
36 mm
73%14 km/h
April15°C5°C-4°C / 29°C
23 mm
65%14 km/h
May20°C9°C0°C / 32°C
57 mm
65%13 km/h
June24°C14°C5°C / 38°C
48 mm
65%12 km/h
July25°C15°C6°C / 37°C
39 mm
67%11 km/h
August26°C15°C6°C / 39°C
40 mm
67%11 km/h
September21°C11°C1°C / 34°C
42 mm
73%12 km/h
October14°C7°C-5°C / 26°C
56 mm
82%12 km/h
November8°C3°C-7°C / 19°C
36 mm
89%13 km/h
December5°C0°C-13°C / 16°C
39 mm
88%14 km/h

Best time to visit Poznań

The most comfortable time to visit Poznań is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around May, totalling about 479 mm a year.

Travellers who prefer heat should aim for August, when highs average 26°C. May is the month to avoid if rain would spoil your plans — it averages 57 mm, roughly 2× the rainfall of the driest month (April).

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

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