Ajaccio is warmest in August, averaging 30° by day and 23° at night. The wettest month is November with 171 mm, and the year brings about 1058 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 12° | 7° | 109 mm | 14° | 9.3 h | Cool |
| February | 13° | 7° | 62 mm | 14° | 10.3 h | Mild |
| March | 14° | 8° | 99 mm | 14° | 11.7 h | Mild |
| April | 17° | 11° | 135 mm | 15° | 13.1 h | Mild |
| May | 21° | 14° | 74 mm | 18° | 14.4 h | Sightseeing |
| June | 26° | 19° | 57 mm | 23° | 15.0 h | Beach weather |
| July | 30° | 22° | 6 mm | 25° | 14.8 h | Beach weather |
| August | 30° | 23° | 22 mm | 26° | 13.7 h | Beach weather |
| September | 26° | 19° | 78 mm | 24° | 12.3 h | Beach weather |
| October | 21° | 16° | 118 mm | 21° | 10.8 h | Mild |
| November | 17° | 12° | 171 mm | 19° | 9.6 h | Mild |
| December | 13° | 9° | 127 mm | 16° | 9.0 h | Mild |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: June, July, August and September — highs around 28°, nights no colder than 19°, and at most 78 mm of rain in a month. The sea sits at 23–26° then.
Walking the city: May — highs of 21–21° and no more than 74 mm of rain a month.