Sardinia weather by month & best time to visit
Climate for 3 places in Sardinia from 30 years of weather data. Best time to visit: June – September. July is the warmest month with 30 °C, January the coolest with 13 °C.
Best time to visit Sardinia
The best time to visit Sardinia is June – September: days of 26–30 °C, 10 hours of sunshine a day and 2 rainy days a month on average. The sea is 21–25 °C then. It reaches 20 °C, warm enough for most swimmers, from June to October. Most rainy days fall in November (11).
Sardinia weather by month
Long-term averages of 3 places: the score is their mean, temperatures range from the coolest to the warmest place. Best months are marked; open a month for details.
| Month | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| JanuaryJan | 19 | 13–14° | 14–15° | 4 h | 9 |
| FebruaryFeb | 23 | 13–14° | 14° | 5 h | 8 |
| MarchMar | 27 | 15–17° | 14° | 7 h | 8 |
| AprilApr | 31 | 18–19° | 15° | 8 h | 8 |
| MayMay | 58 | 22–23° | 17–18° | 9 h | 6 |
| JuneJun | 90 | 26–29° | 21° | 11 h | 2 |
| JulyJul | 99 | 29–32° | 24° | 12 h | 1 |
| AugustAug | 99 | 29–32° | 25–26° | 11 h | 2 |
| SeptemberSep | 95 | 25–28° | 23–25° | 9 h | 5 |
| OctoberOct | 63 | 22–23° | 21–22° | 6 h | 7 |
| NovemberNov | 21 | 17–18° | 18–19° | 5 h | 11 |
| DecemberDec | 16 | 14–15° | 15–16° | 4 h | 9 |
Where is it warmest in Sardinia?
Compared in the coolest and the warmest month. Sunshine is the average per day over the year; rainy days are counted over the whole year.
| Place | Jan | Jul | Sea Jan | Sun h/day | Rain days/yr |
|---|---|---|---|---|---|
| Cagliari | 14° | 32° | 15° | 7.4 | 64 |
| Olbia | 13° | 29° | 14° | 7.7 | 75 |
| Alghero | 13° | 29° | 14° | 7.7 | 88 |
In January, it is warmest in Cagliari with 14 °C, ahead of Olbia (13 °C).
Destinations in Sardinia3
Sardinia weather: quick answers
When is the best time to visit Sardinia?
The best time to visit Sardinia is June – September: days reach 26–30 °C, with 10 hours of sunshine a day and 2 rainy days a month on average.
What is the warmest month in Sardinia?
July is the warmest month, with daytime highs of 30 °C on average (29–32 °C depending on the place). The coolest is January with 13 °C.
How warm is it in Sardinia in January?
In January, the coolest month, days reach 13–14 °C on average and the sea is 14–15 °C.
When can you swim in Sardinia?
The sea is 20 °C or warmer from June to October and warmest in August with 25 °C.
Where is it warmest in Sardinia?
In January, the warmest are Cagliari (14 °C), Olbia (13 °C) and Alghero (13 °C).
When does it rain most in Sardinia?
November has the most rainy days (11 on average), July the fewest (1).
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Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)