Climate averages 1991–2020
Florence weather
in May.
A mild, moderately wet month: the 5th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Florence: daytime highs average 21.8°C and nights cool to about 11.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 72 mm of rain on roughly 9 days, which makes May a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 42 min on an average May day.
The nearest other city in this atlas is Prato (16 km away). In May its highs average 21.5°C, about as warm as Florence, with 79 mm of rain.
Among the 79 cities listed in Italy, Florence ranks joint 36th of 79 for the warmest May highs and 40th of 79 for the driest May (rainfall, lowest first). The mean May high of those 79 cities is 21.8°C; Florence is level with that mean.
From May to June, average highs rise by 4.5°C to 26.3°C, and monthly rainfall falls from 72 mm to 45 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Florence climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.2°C1.7°C | 1.7°C | 67 | 9.9 | 9.39 h |
| February | 10.5°C1.6°C | 1.6°C | 77 | 9.6 | 10.510 h |
| March | 14.1°C4.2°C | 4.2°C | 73 | 9.7 | 11.912 h |
| April | 17.5°C7.2°C | 7.2°C | 82 | 11.5 | 13.413 h |
| May, selected | 21.8°C11.2°C | 11.2°C | 72 | 9.2 | 14.715 h |
| June | 26.3°C15.6°C | 15.6°C | 45 | 6.9 | 15.415 h |
| July | 29.5°C18.4°C | 18.4°C | 29 | 4.0 | 15.115 h |
| August | 29.7°C18.7°C | 18.7°C | 31 | 5.0 | 14.014 h |
| September | 24.5°C14.5°C | 14.5°C | 82 | 8.6 | 12.613 h |
| October | 19.2°C10.8°C | 10.8°C | 114 | 11.5 | 11.111 h |
| November | 13.8°C6.6°C | 6.6°C | 128 | 12.6 | 9.710 h |
| December | 9.9°C2.7°C | 2.7°C | 97 | 11.6 | 9.09 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Prato in MayItaly · 16 kmHigh 21.5°C · Low 11.6°C · 79 mm rain
- Pistoia in MayItaly · 31 kmHigh 21.6°C · Low 11.3°C · 79 mm rain
- Lucca in MayItaly · 60 kmHigh 21.2°C · Low 12.0°C · 76 mm rain
- Arezzo in MayItaly · 62 kmHigh 21.5°C · Low 11.3°C · 74 mm rain
- Pisa in MayItaly · 68 kmHigh 21.1°C · Low 12.9°C · 76 mm rain
- Livorno in MayItaly · 78 kmHigh 20.4°C · Low 14.2°C · 54 mm rain
- Bologna in MayItaly · 80 kmHigh 23.0°C · Low 12.3°C · 76 mm rain
- Forlì in MayItaly · 80 kmHigh 22.9°C · Low 11.7°C · 64 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Florence) is explained once on the Florence year overview and on the Sources, method and limits page.