Brno weather in May
May in Brno: nice, a little rain — an excellent time to visit.
#5 of 12 months in Brno · #413 of 897 destinations to visit in May · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Brno in May
No notes yet. Open Brno on the map to add the first one.
Brno climate normals — May
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 8°C / 47°F | |
| Rainfall | 79 mm / 3.1 in | 🌦 some rain |
| Rainy days | 14 days | |
| Humidity | 68% | 💧 humid |
| Dew point | 9°C / 47°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 15.3 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Brno?
Loading map…
Brno in May — FAQ
- Is May a good time to visit Brno?
- May in Brno: nice, a little rain — an excellent time to visit. It ranks #5 of 12 months for Brno on SeasonMap's comfort score (83/100).
- What is the weather like in Brno in May?
- In May, Brno averages a daily high of 17.8°C and a low of 8.4°C, with about 78.6 mm of rain over roughly 14.4 rainy days.
- What is the air quality in Brno in May?
- Brno has a mean US Air Quality Index of about 51 in May.