Poznań weather in August
August in Poznań: warm, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Poznań · #194 of 897 destinations to visit in August · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Poznań in August
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Poznań climate normals — August
| Daytime high | 25°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Rainfall | 86 mm / 3.4 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 14.6 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Poznań in August — FAQ
- Is August a good time to visit Poznań?
- August in Poznań: warm, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Poznań on SeasonMap's comfort score (89/100).
- What is the weather like in Poznań in August?
- In August, Poznań averages a daily high of 24.7°C and a low of 16.1°C, with about 85.7 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Poznań in August?
- Poznań has a mean US Air Quality Index of about 47 in August.