Poznań weather in May
May in Poznań: nice, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Poznań · #436 of 897 destinations to visit in May · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Poznań in May
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Poznań climate normals — May
| Daytime high | 17°C / 63°F | 😎 nice |
|---|---|---|
| Nighttime low | 8°C / 47°F | |
| Rainfall | 55 mm / 2.2 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 60% | 💧 humid |
| Dew point | 6°C / 43°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 15.8 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 48 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Poznań in May — FAQ
- Is May a good time to visit Poznań?
- May in Poznań: nice, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Poznań on SeasonMap's comfort score (83/100).
- What is the weather like in Poznań in May?
- In May, Poznań averages a daily high of 17.4°C and a low of 8.1°C, with about 55.2 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Poznań in May?
- Poznań has a mean US Air Quality Index of about 48 in May.