Climate averages 1991–2020
Siracusa weather
in December.
A mild, moderately wet month: the 10th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Siracusa: daytime highs average 15.7°C and nights cool to about 11.0°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 80 mm of rain on roughly 9 days, which makes December a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 40 min on an average December day.
The nearest other city in this atlas is Catania (50 km away). In December its highs average 15.3°C, about as warm as Siracusa, with 64 mm of rain.
Among the 79 cities listed in Italy, Siracusa ranks 1st of 79 for the warmest December highs and joint 46th of 79 for the driest December (rainfall, lowest first). The mean December high of those 79 cities is 10.5°C; Siracusa is 5.2°C warmer than that mean.
From December to January, average highs fall by 1.2°C to 14.4°C, and monthly rainfall falls from 80 mm to 73 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
Siracusa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.4°C9.3°C | 9.3°C | 73 | 8.3 | 9.910 h |
| February | 14.6°C9.1°C | 9.1°C | 59 | 7.5 | 10.811 h |
| March | 16.3°C10.3°C | 10.3°C | 48 | 6.5 | 11.912 h |
| April | 18.6°C12.5°C | 12.5°C | 27 | 5.2 | 13.113 h |
| May | 22.5°C15.9°C | 15.9°C | 14 | 3.1 | 14.114 h |
| June | 27.0°C19.9°C | 19.9°C | 10 | 1.4 | 14.715 h |
| July | 30.0°C22.8°C | 22.8°C | 4.2 | 0.9 | 14.414 h |
| August | 30.5°C23.7°C | 23.7°C | 9.8 | 1.7 | 13.614 h |
| September | 26.8°C21.1°C | 21.1°C | 48 | 6.2 | 12.512 h |
| October | 23.1°C18.0°C | 18.0°C | 68 | 8.4 | 11.311 h |
| November | 19.1°C14.3°C | 14.3°C | 73 | 8.2 | 10.210 h |
| December, selected | 15.7°C11.0°C | 11.0°C | 80 | 9.1 | 9.710 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
- Catania in DecemberItaly · 50 kmHigh 15.3°C · Low 9.1°C · 64 mm rain
- Ragusa in DecemberItaly · 53 kmHigh 12.4°C · Low 7.3°C · 60 mm rain
- Gela in DecemberItaly · 93 kmHigh 15.4°C · Low 9.6°C · 65 mm rain
- Reggio Calabria in DecemberItaly · 120 kmHigh 13.5°C · Low 8.6°C · 74 mm rain
- Messina in DecemberItaly · 127 kmHigh 14.8°C · Low 10.6°C · 109 mm rain
- Valletta in DecemberMalta · 148 kmHigh 16.2°C · Low 13.7°C · 72 mm rain
- Palermo in DecemberItaly · 205 kmHigh 15.3°C · Low 10.6°C · 67 mm rain
- Lamezia Terme in DecemberItaly · 228 kmHigh 13.6°C · Low 9.3°C · 139 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 Siracusa) is explained once on the Siracusa year overview and on the Sources, method and limits page.