Cagliari, Sardinia weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: June – September
What is the weather like in Cagliari, Sardinia in January?
In January, Cagliari, Sardinia is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sea averages 14.6 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain falls on about 7 days, adding up to 35 mm. All in all, January is not an ideal month for a holiday in Cagliari, Sardinia.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 25 | 27 | 31 |
| Day | 15° | 14° | 14° |
| Night | 9° | 8° | 7° |
| Sea | 16° | 15° | 14° |
| Sun | 6 h | 6 h | 7 h |
| Rain days | 8 | 7 | 7 |
More details for January
- Daylight
- 9 h 41 min07:41 – 17:23
- UV index
- 2 · lowclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 20 km/haverage daily peak
- Cloud cover
- 52 %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 %53 %
- Few rainy daysweight 20 %80 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- A jumper for the evenings
Cagliari, Sardinia in January: quick answers
Is Cagliari, Sardinia hot in January?
No. In January, Cagliari, Sardinia is cool: daytime highs average 14 °C and nights drop to about 8 °C.
Can you swim in Cagliari, Sardinia in January?
Only if you don't mind cold water: in January the sea averages just 14.6 °C. Comfortable swimming is possible from June to October.
Does it rain much in Cagliari, Sardinia in January?
Rain falls on about 7 days, adding up to 35 mm.
Cagliari, Sardinia month by month
The whole year in Cagliari, 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)