Climate averages 1991–2020
Cagliari weather
in December.
A cool, moderately wet month: the 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Cagliari: daytime highs average 14.3°C and nights cool to about 8.5°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 54 mm of rain on roughly 9 days, which makes December a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 28 min on an average December day.
The nearest other city in this atlas is Sassari (173 km away). In December its highs average 12.9°C, 1.5°C cooler than Cagliari, with 76 mm of rain.
Among the 79 cities listed in Italy, Cagliari ranks 7th of 79 for the warmest December highs and 1st of 79 for the driest December (rainfall, lowest first). The mean December high of those 79 cities is 10.5°C; Cagliari is 3.9°C warmer than that mean.
From December to January, average highs fall by 1.1°C to 13.3°C, and monthly rainfall falls from 54 mm to 37 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
Cagliari climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.3°C7.0°C | 7.0°C | 37 | 6.7 | 9.710 h |
| February | 13.7°C6.7°C | 6.7°C | 39 | 7.4 | 10.711 h |
| March | 16.2°C8.2°C | 8.2°C | 46 | 7.5 | 11.912 h |
| April | 18.7°C10.3°C | 10.3°C | 48 | 8.3 | 13.213 h |
| May | 23.0°C13.6°C | 13.6°C | 33 | 5.6 | 14.314 h |
| June | 27.9°C17.5°C | 17.5°C | 10 | 2.1 | 14.915 h |
| July | 31.1°C20.3°C | 20.3°C | 2.0 | 0.5 | 14.615 h |
| August | 31.5°C21.0°C | 21.0°C | 8.1 | 1.8 | 13.714 h |
| September | 26.9°C18.4°C | 18.4°C | 31 | 4.9 | 12.512 h |
| October | 22.8°C15.5°C | 15.5°C | 43 | 6.1 | 11.211 h |
| November | 17.7°C11.6°C | 11.6°C | 62 | 9.1 | 10.110 h |
| December, selected | 14.3°C8.5°C | 8.5°C | 54 | 8.6 | 9.59 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
- Sassari in DecemberItaly · 173 kmHigh 12.9°C · Low 7.8°C · 76 mm rain
- Bizerte in DecemberTunisia · 227 kmHigh 15.8°C · Low 11.6°C · 67 mm rain
- Sukrah in DecemberTunisia · 280 kmHigh 16.1°C · Low 10.8°C · 72 mm rain
- La Marsa in DecemberTunisia · 282 kmHigh 16.1°C · Low 11.3°C · 72 mm rain
- Tunis in DecemberTunisia · 283 kmHigh 16.3°C · Low 9.8°C · 46 mm rain
- Annaba in DecemberAlgeria · 285 kmHigh 16.3°C · Low 9.0°C · 91 mm rain
- Sīdī Ḥusayn in DecemberTunisia · 289 kmHigh 16.5°C · Low 9.5°C · 37 mm rain
- El Mourouj in DecemberTunisia · 296 kmHigh 16.4°C · Low 8.9°C · 46 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 Cagliari) is explained once on the Cagliari year overview and on the Sources, method and limits page.