Alghero, Sardinia weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: June – September
What is the weather like in Alghero, Sardinia in December?
In December, Alghero, Sardinia is cool: daytime highs average 14 °C, and nights cool down to about 10 °C. The sea averages 15.8 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 77 mm in total. All in all, December is not an ideal month for a holiday in Alghero, Sardinia.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 23 | 18 | 20 |
| Day | 18° | 14° | 13° |
| Night | 13° | 10° | 9° |
| Sea | 19° | 16° | 14° |
| Sun | 6 h | 6 h | 6 h |
| Rain days | 13 | 11 | 10 |
More details for December
- Daylight
- 9 h 18 min07:43 – 17:01
- UV index
- 1 · lowclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 24 km/haverage daily peak
- Cloud cover
- 58 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+1Europe/Rome
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %43 %
- Few rainy daysweight 20 %49 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- A jumper for the evenings
- Rain jacket or umbrella
Alghero, Sardinia in December: quick answers
Is Alghero, Sardinia hot in December?
No. In December, Alghero, Sardinia is cool: daytime highs average 14 °C and nights drop to about 10 °C.
Can you swim in Alghero, Sardinia in December?
Only if you don't mind cold water: in December the sea averages just 15.8 °C. Comfortable swimming is possible from June to October.
Does it rain much in Alghero, Sardinia in December?
Rain is frequent, with about 11 rainy days and 77 mm in total.
Alghero, Sardinia month by month
The whole year in Alghero, SardiniaAll destinations: Italy
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)