Florence weather in May
May in Florence: nice, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Florence · #147 of 604 destinations to visit in May · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Florence climate normals — May
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 53°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 96 mm / 3.8 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 13°C / 56°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 14.7 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Florence in May — FAQ
- Is May a good time to visit Florence?
- May in Florence: nice, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Florence on SeasonMap's comfort score (87/100).
- What is the weather like in Florence in May?
- In May, Florence averages a daily high of 21.2°C and a low of 11.5°C, with about 96.1 mm of rain over roughly 12 rainy days.
- What is the air quality in Florence in May?
- Florence has a mean US Air Quality Index of about 45 in May.