Bologna weather in May
May in Bologna: nice, soaked, with clean air — an excellent time to visit.
#5 of 12 months in Bologna · #222 of 604 destinations to visit in May · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Bologna climate normals — May
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 151 mm / 6 in | ⛈ soaked |
| Rainy days | 12 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 14.8 h | |
| Wind | 14 km/h / 8 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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Bologna in May — FAQ
- Is May a good time to visit Bologna?
- May in Bologna: nice, soaked, with clean air — an excellent time to visit. It ranks #5 of 12 months for Bologna on SeasonMap's comfort score (84/100).
- What is the weather like in Bologna in May?
- In May, Bologna averages a daily high of 22.1°C and a low of 12.5°C, with about 151.2 mm of rain over roughly 11.6 rainy days.
- What is the air quality in Bologna in May?
- Bologna has a mean US Air Quality Index of about 48 in May.