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City in Greater Poland, Poland

Poznan weather by month and the best time to visit

Updated October 2026Sources
May–SepBest time to visit

When to go to Poznan

May–Sep is warm with open terraces and lakes. Winters are cold and grey; Dec has a popular Christmas market.

Poznan weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
-5°5°15°25°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January0°C33°F-5°C23°F49 mm93%Freezing
February3°C37°F-4°C25°F37 mm89%Freezing
March8°C46°F-1°C30°F41 mm82%Cold
April15°C58°F4°C38°F31 mm73%Cool
May20°C67°F9°C48°F57 mm71%Pleasant
June23°C74°F13°C55°F61 mm68%Pleasant
July26°C78°F15°C59°F78 mm67%Pleasant
August25°C77°F14°C58°F62 mm66%Pleasant
September20°C68°F10°C50°F46 mm71%Pleasant
October14°C56°F5°C41°F46 mm81%Cool
November7°C45°F1°C34°F43 mm91%Cold
December2°C36°F-2°C28°F46 mm93%Freezing

Best months across Poland

PlaceBest monthsWarmest month
KrakowApr–Jun, SepAug (26°C)
WarsawMay–SepJul (26°C)
GdanskJun–SepAug (22°C)
WroclawMay–SepJul (26°C)
ZakopaneFeb, Jul–SepAug (21°C)
PoznanMay–SepJul (26°C)
TorunMay–Jun, Sep, DecJul (26°C)
SopotJun–SepAug (22°C)
LodzMay–Jun, SepJul (26°C)
KatowiceMay–Jun, Sep–OctJul (26°C)
LublinMay–Jul, SepJul (26°C)

Quick answers

What is the best month to visit Poznan?

May–Sep. May–Sep is warm with open terraces and lakes. Winters are cold and grey; Dec has a popular Christmas market.

When is the rainy season in Poznan?

Rain peaks in July with about 78 mm. No month averages 150 mm or more.

What is the hottest month in Poznan?

July, with average highs of 26°C (78°F).

How cold does Poznan get?

The coolest nights are in January, averaging -5°C (23°F).

More about Poznan

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.