Warsaw weather in August
August in Warsaw: warm, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Warsaw · #131 of 604 destinations to visit in August · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Warsaw climate normals — August
| Daytime high | 25°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 96 mm / 3.8 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 14.6 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Warsaw in August — FAQ
- Is August a good time to visit Warsaw?
- August in Warsaw: warm, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Warsaw on SeasonMap's comfort score (88/100).
- What is the weather like in Warsaw in August?
- In August, Warsaw averages a daily high of 24.6°C and a low of 15.7°C, with about 95.8 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Warsaw in August?
- Warsaw has a mean US Air Quality Index of about 49 in August.