Zagreb weather in May
May in Zagreb: nice, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Zagreb · #189 of 604 destinations to visit in May · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Zagreb climate normals — May
| Daytime high | 20°C / 68°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 51°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 113 mm / 4.5 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 14.9 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 50 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Zagreb in May — FAQ
- Is May a good time to visit Zagreb?
- May in Zagreb: nice, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Zagreb on SeasonMap's comfort score (86/100).
- What is the weather like in Zagreb in May?
- In May, Zagreb averages a daily high of 19.9°C and a low of 10.3°C, with about 113.2 mm of rain over roughly 17.4 rainy days.
- What is the air quality in Zagreb in May?
- Zagreb has a mean US Air Quality Index of about 50 in May.