Climate averages 1991–2020
Poznań weather
in May.
A mild, moderately wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Poznań: daytime highs average 18.5°C and nights cool to about 9.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 54 mm of rain on roughly 11 days, which makes May a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 42 min on an average May day.
The nearest other city in this atlas is Gniezno (46 km away). In May its highs average 18.1°C, about as warm as Poznań, with 54 mm of rain.
Among the 60 cities listed in Poland, Poznań ranks joint 19th of 60 for the warmest May highs and joint 1st of 60 for the driest May (rainfall, lowest first). The mean May high of those 60 cities is 18.1°C; Poznań is 0.4°C warmer than that mean.
From May to June, average highs rise by 3.3°C to 21.9°C, and monthly rainfall rises from 54 mm to 58 mm.
The annual picture
May in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Poznań climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.9°C-2.6°C | -2.6°C | 42 | 10.2 | 8.38 h |
| February | 3.6°C-2.1°C | -2.1°C | 34 | 8.9 | 9.910 h |
| March | 7.7°C0.1°C | 0.1°C | 46 | 10.4 | 11.812 h |
| April | 13.8°C4.3°C | 4.3°C | 33 | 8.5 | 13.914 h |
| May, selected | 18.5°C9.3°C | 9.3°C | 54 | 10.8 | 15.716 h |
| June | 21.9°C12.9°C | 12.9°C | 58 | 11.3 | 16.717 h |
| July | 23.8°C15.2°C | 15.2°C | 87 | 12.1 | 16.316 h |
| August | 23.7°C15.0°C | 15.0°C | 64 | 10.4 | 14.715 h |
| September | 18.8°C11.1°C | 11.1°C | 48 | 9.6 | 12.713 h |
| October | 12.9°C6.7°C | 6.7°C | 41 | 9.0 | 10.711 h |
| November | 7.0°C2.4°C | 2.4°C | 38 | 8.7 | 8.89 h |
| December | 3.1°C-1.0°C | -1.0°C | 42 | 10.1 | 7.88 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Gniezno in MayPoland · 46 kmHigh 18.1°C · Low 8.9°C · 54 mm rain
- Piła in MayPoland · 84 kmHigh 18.1°C · Low 8.7°C · 59 mm rain
- Konin in MayPoland · 92 kmHigh 18.7°C · Low 9.2°C · 56 mm rain
- Inowrocław in MayPoland · 100 kmHigh 18.0°C · Low 8.8°C · 58 mm rain
- Ostrów Wielkopolski in MayPoland · 103 kmHigh 18.6°C · Low 9.1°C · 56 mm rain
- Kalisz in MayPoland · 107 kmHigh 18.8°C · Low 9.1°C · 58 mm rain
- Bydgoszcz in MayPoland · 108 kmHigh 18.4°C · Low 8.8°C · 58 mm rain
- Zielona Góra in MayPoland · 110 kmHigh 18.6°C · Low 9.1°C · 56 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Poznań) is explained once on the Poznań year overview and on the Sources, method and limits page.