Climate averages 1991–2020
Florence weather
in December.
A cool, wet month: the 11th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Florence: daytime highs average 9.9°C and nights cool to about 2.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 97 mm of rain on roughly 12 days, which makes December a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 59 min on an average December day.
The nearest other city in this atlas is Prato (16 km away). In December its highs average 9.6°C, about as warm as Florence, with 108 mm of rain.
Among the 79 cities listed in Italy, Florence ranks 43rd of 79 for the warmest December highs and 54th of 79 for the driest December (rainfall, lowest first). The mean December high of those 79 cities is 10.5°C; Florence is 0.6°C cooler than that mean.
From December to January, average highs fall by 0.7°C to 9.2°C, and monthly rainfall falls from 97 mm to 67 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Prato in DecemberItaly · 16 kmHigh 9.6°C · Low 2.8°C · 108 mm rain
- Pistoia in DecemberItaly · 31 kmHigh 9.6°C · Low 2.2°C · 108 mm rain
- Lucca in DecemberItaly · 60 kmHigh 10.6°C · Low 3.6°C · 110 mm rain
- Arezzo in DecemberItaly · 62 kmHigh 9.3°C · Low 2.7°C · 99 mm rain
- Pisa in DecemberItaly · 68 kmHigh 11.3°C · Low 5.0°C · 110 mm rain
- Livorno in DecemberItaly · 78 kmHigh 11.6°C · Low 7.0°C · 98 mm rain
- Bologna in DecemberItaly · 80 kmHigh 8.7°C · Low 1.4°C · 69 mm rain
- Forlì in DecemberItaly · 80 kmHigh 9.6°C · Low 1.8°C · 65 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.