Climate averages 1991–2020
Palermo weather
in December.
A mild, moderately wet month: the 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Palermo: daytime highs average 15.3°C and nights cool to about 10.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 67 mm of rain on roughly 11 days, which makes December a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 34 min on an average December day.
The nearest other city in this atlas is Marsala (89 km away). In December its highs average 15.2°C, about as warm as Palermo, with 70 mm of rain.
Among the 79 cities listed in Italy, Palermo ranks joint 3rd of 79 for the warmest December highs and joint 22nd of 79 for the driest December (rainfall, lowest first). The mean December high of those 79 cities is 10.5°C; Palermo is 4.8°C warmer than that mean.
From December to January, average highs fall by 1.2°C to 14.1°C, and monthly rainfall falls from 67 mm to 65 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
Palermo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.1°C9.0°C | 9.0°C | 65 | 10.3 | 9.810 h |
| February | 14.1°C8.6°C | 8.6°C | 68 | 10.3 | 10.811 h |
| March | 16.4°C10.0°C | 10.0°C | 64 | 10.5 | 11.912 h |
| April | 18.9°C12.0°C | 12.0°C | 61 | 9.6 | 13.213 h |
| May | 22.8°C15.6°C | 15.6°C | 37 | 6.2 | 14.214 h |
| June | 27.2°C19.7°C | 19.7°C | 16 | 3.6 | 14.815 h |
| July | 30.1°C22.5°C | 22.5°C | 5.6 | 1.6 | 14.515 h |
| August | 30.6°C23.4°C | 23.4°C | 19 | 3.4 | 13.614 h |
| September | 26.8°C20.6°C | 20.6°C | 61 | 8.8 | 12.512 h |
| October | 23.3°C17.5°C | 17.5°C | 81 | 9.8 | 11.211 h |
| November | 18.9°C13.8°C | 13.8°C | 64 | 10.3 | 10.210 h |
| December, selected | 15.3°C10.6°C | 10.6°C | 67 | 11.3 | 9.610 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
- Marsala in DecemberItaly · 89 kmHigh 15.2°C · Low 11.3°C · 70 mm rain
- Gela in DecemberItaly · 139 kmHigh 15.4°C · Low 9.6°C · 65 mm rain
- Catania in DecemberItaly · 165 kmHigh 15.3°C · Low 9.1°C · 64 mm rain
- Ragusa in DecemberItaly · 179 kmHigh 12.4°C · Low 7.3°C · 60 mm rain
- Messina in DecemberItaly · 192 kmHigh 14.8°C · Low 10.6°C · 109 mm rain
- Reggio Calabria in DecemberItaly · 201 kmHigh 13.5°C · Low 8.6°C · 74 mm rain
- Siracusa in DecemberItaly · 205 kmHigh 15.7°C · Low 11.0°C · 80 mm rain
- Valletta in DecemberMalta · 267 kmHigh 16.2°C · Low 13.7°C · 72 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 Palermo) is explained once on the Palermo year overview and on the Sources, method and limits page.