Cagliari weather by month & the best time to visit
Italy · beach resort · semi-arid climate
The best time to visit Cagliari is June — its sunniest month (Sunshine Score 94/100), with May and September close behind. Cagliari averages about 2,787 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 9 mm of rain in June.
When is the best time to visit Cagliari?
For sunshine, the best time to visit Cagliari is June, then May and September. The dullest month is January (44/100, 43 mm of rain). The full month-by-month picture is in the table below.
How sunny is Cagliari?
Cagliari gets a lot of sun: around 2,787 hours a year. 50 Sunshine Score points separate June (94) from January (44), so the month you pick matters. It ranks #12 of 38 destinations in Italy for annual sunshine, above the national median of 2,538 hours. Rain has a clear season: the wettest stretch, around November, carries about 41% of the annual 423 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 44 | 14° / 57°F | 6° / 43°F | 43 mm | 1 | 15° / 59°F |
| February | 44 | 14° / 57°F | 6° / 43°F | 41 mm | 2 | 15° / 59°F |
| March | 66 | 17° / 63°F | 7° / 45°F | 39 mm | 4 | 16° / 61°F |
| April | 88 | 21° / 70°F | 10° / 50°F | 42 mm | 5 | 17° / 63°F |
| May | 90 | 26° / 79°F | 13° / 55°F | 29 mm | 7 | 20° / 68°F |
| June | 94 | 32° / 90°F | 18° / 64°F | 9 mm | 8 | 23° / 73°F |
| July | 66 | 35° / 95°F | 21° / 70°F | 3 mm | 9 | 26° / 79°F |
| August | 75 | 34° / 93°F | 21° / 70°F | 11 mm | 8 | 28° / 82°F |
| September | 89 | 29° / 84°F | 18° / 64°F | 33 mm | 6 | 25° / 77°F |
| October | 87 | 25° / 77°F | 15° / 59°F | 45 mm | 4 | 22° / 72°F |
| November | 75 | 19° / 66°F | 11° / 52°F | 74 mm | 2 | 20° / 68°F |
| December | 50 | 15° / 59°F | 7° / 45°F | 54 mm | 1 | 16° / 61°F |
Sea temperature in Cagliari by month
The sea off Cagliari is warmest in August at around 28°C / 82°F, and coolest in January at 15°C / 59°F. The water sits at a comfortable 21°C or warmer roughly 5 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
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Cagliari: questions and answers
What kind of destination is Cagliari?
Cagliari is a beach resort in Italy with a semi-arid climate — the sea reaches 28°C at its warmest and is swimmable (21°C+) about 5 months a year.
How many hours of sunshine does Cagliari get a year?
Cagliari gets about 2,787 hours of sunshine a year, at its best around June.
When is the best time to visit Cagliari?
The sunniest time to visit Cagliari is June, when the Sunshine Score peaks at 94/100 (with May and September close behind). Expect daytime highs around 32°C / 90°F.
What is the least sunny month in Cagliari?
January is the least sunny month in Cagliari, scoring 44/100 with about 43 mm of rain.
What is the sea temperature in Cagliari?
The sea in Cagliari ranges from about 15°C (January) to 28°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Cagliari?
The typical midday UV index in Cagliari peaks around 9 (very high) in July, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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