Poznań climate
Poznań is warmest in July, with average highs of 24 °C, and coldest in January, when nights average -2.6 °C. July is the wettest month (87 mm) and April the driest (33 mm). Figures are 1991–2020 climate normals.
Across a full year Poznań averages 592 mm of rain, 33 days above 25 °C and 85 days below freezing.
Poland · population 536,151 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month July 24 °C
- Coldest month January -2.6 °C
- Driest month April 33 mm
- Wettest month July 87 mm
- Least cloud August 58 % cloud
- Hottest on record August 36 °C
- Coldest on record January -29 °C
What to expectPoznań through the year
Poznań has a clear annual cycle: average daily highs run from 2.0 °C in January to 24 °C in July, a swing of 20 °C in mean temperature across the year.
Counted across a normal year, 33 days a year reach 25 °C, 5 of them reach 30 °C, 85 nights drop below freezing. The warmest reading in the 1991–2020 record is 36 °C, in August.
Rain is strongly seasonal. July averages 87 mm against 33 mm in April — 2.6 times as much. Planning around the dry months matters more here than planning around temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 2.0 °C | 42 mm | 77 % |
| February | 3.6 °C | 35 mm | 76 % |
| March | 7.7 °C | 47 mm | 68 % |
| April | 13.8 °C | 33 mm | 59 % |
| May | 18.5 °C | 57 mm | 60 % |
| June | 21.9 °C | 59 mm | 60 % |
| July | 23.8 °C | 87 mm | 58 % |
| August | 23.7 °C | 63 mm | 58 % |
| September | 18.8 °C | 49 mm | 62 % |
| October | 12.9 °C | 41 mm | 69 % |
| November | 7.0 °C | 38 mm | 78 % |
| December | 3.1 °C | 42 mm | 79 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 2.0 °C | -2.6 °C | -0.3 °C | 14.2 °C | -28.8 °C | 0 | 0 | 20 |
| February | 3.6 °C | -2.2 °C | 0.7 °C | 14.3 °C | -19.4 °C | 0 | 0 | 19 |
| March | 7.7 °C | 0.0 °C | 3.8 °C | 20.1 °C | -21.1 °C | 0 | 0 | 15 |
| April | 13.8 °C | 4.2 °C | 9.1 °C | 27.1 °C | -10.3 °C | 0 | 0 | 4 |
| May | 18.5 °C | 9.1 °C | 14.1 °C | 30.2 °C | -0.8 °C | 3 | 0 | 0 |
| June | 21.9 °C | 12.7 °C | 17.6 °C | 36.2 °C | 4.1 °C | 6 | 1 | 0 |
| July | 23.8 °C | 15.0 °C | 19.6 °C | 35.8 °C | 8.1 °C | 12 | 2 | 0 |
| August | 23.7 °C | 14.8 °C | 19.4 °C | 36.4 °C | 7.5 °C | 11 | 2 | 0 |
| September | 18.8 °C | 10.9 °C | 14.7 °C | 33.2 °C | 3.3 °C | 2 | 0 | 0 |
| October | 12.9 °C | 6.5 °C | 9.6 °C | 23.8 °C | -3.8 °C | 0 | 0 | 1 |
| November | 7.0 °C | 2.3 °C | 4.6 °C | 17.8 °C | -17.4 °C | 0 | 0 | 8 |
| December | 3.1 °C | -1.0 °C | 1.0 °C | 13.2 °C | -16.6 °C | 0 | 0 | 18 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 42 mm | 10 | 8.2 h/day | 77 % | 84 % | 20 km/h |
| February | 35 mm | 8 | 9.9 h/day | 76 % | 81 % | 20 km/h |
| March | 47 mm | 10 | 12 h/day | 68 % | 77 % | 20 km/h |
| April | 33 mm | 8 | 14 h/day | 59 % | 70 % | 18 km/h |
| May | 57 mm | 10 | 16 h/day | 60 % | 69 % | 18 km/h |
| June | 59 mm | 11 | 17 h/day | 60 % | 68 % | 18 km/h |
| July | 87 mm | 12 | 16 h/day | 58 % | 69 % | 17 km/h |
| August | 63 mm | 10 | 15 h/day | 58 % | 69 % | 16 km/h |
| September | 49 mm | 9 | 13 h/day | 62 % | 75 % | 17 km/h |
| October | 41 mm | 9 | 11 h/day | 69 % | 81 % | 18 km/h |
| November | 38 mm | 9 | 8.8 h/day | 78 % | 86 % | 18 km/h |
| December | 42 mm | 10 | 7.7 h/day | 79 % | 86 % | 19 km/h |
Where Poznań ranks
| Ranking | Position | Value |
|---|---|---|
| The driest places in Europe in April | 34th of 50 | 33 mm |
Planning a trip? See the best time to visit Poznań.
QuestionsCommon questions about Poznań’s climate
When is the best time to visit Poznań?
That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, July is the warmest month and April the driest. The month-by-month table above has the full picture.
How hot does Poznań get?
In July, the warmest month, daily highs average 24 °C. About 5 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.
How cold does it get in winter?
Nights average -2.6 °C in January, the coldest month. A normal year has 85 nights below freezing.
Which month is wettest in Poznań?
July, averaging 87 mm over 12 days with rain. The driest month is April with 33 mm. The year as a whole averages 592 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Poznań rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Data point
- 52.407°, 16.930° (the coordinates the reanalysis values are taken for)
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.