Climate averages 1991–2020
Poznań weather
in August.
A warm, moderately wet month: the 2nd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Poznań: daytime highs average 23.7°C and nights cool to about 15.0°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 64 mm of rain on roughly 10 days, which makes August a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 42 min on an average August day.
The nearest other city in this atlas is Gniezno (46 km away). In August its highs average 23.4°C, about as warm as Poznań, with 61 mm of rain.
Among the 60 cities listed in Poland, Poznań ranks joint 13th of 60 for the warmest August highs and joint 17th of 60 for the driest August (rainfall, lowest first). The mean August high of those 60 cities is 23.3°C; Poznań is 0.4°C warmer than that mean.
From August to September, average highs fall by 4.9°C to 18.8°C, and monthly rainfall falls from 64 mm to 48 mm.
The annual picture
August 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 | 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, selected | 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
August in nearby cities
- Gniezno in AugustPoland · 46 kmHigh 23.4°C · Low 14.7°C · 61 mm rain
- Piła in AugustPoland · 84 kmHigh 22.9°C · Low 14.5°C · 69 mm rain
- Konin in AugustPoland · 92 kmHigh 24.0°C · Low 14.9°C · 56 mm rain
- Inowrocław in AugustPoland · 100 kmHigh 23.0°C · Low 14.6°C · 59 mm rain
- Ostrów Wielkopolski in AugustPoland · 103 kmHigh 24.0°C · Low 14.9°C · 60 mm rain
- Kalisz in AugustPoland · 107 kmHigh 24.1°C · Low 14.9°C · 60 mm rain
- Bydgoszcz in AugustPoland · 108 kmHigh 23.3°C · Low 14.7°C · 61 mm rain
- Zielona Góra in AugustPoland · 110 kmHigh 23.8°C · Low 14.7°C · 64 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.