Split is warmest in August, averaging 30° by day and 22° at night. The wettest month is December with 171 mm, and the year brings about 946 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 10° | 5° | 90 mm | 14° | 9.1 h | Cool |
| February | 12° | 6° | 45 mm | 13° | 10.2 h | Cool |
| March | 13° | 8° | 68 mm | 13° | 11.6 h | Mild |
| April | 16° | 11° | 48 mm | 15° | 13.2 h | Mild |
| May | 21° | 14° | 59 mm | 18° | 14.5 h | Sightseeing |
| June | 26° | 19° | 36 mm | 23° | 15.2 h | Beach weather |
| July | 30° | 22° | 22 mm | 25° | 14.9 h | Beach weather |
| August | 30° | 22° | 71 mm | 25° | 13.8 h | Beach weather |
| September | 25° | 18° | 96 mm | 23° | 12.3 h | Beach weather |
| October | 21° | 14° | 84 mm | 21° | 10.8 h | Sightseeing |
| November | 16° | 11° | 156 mm | 19° | 9.4 h | Mild |
| December | 12° | 7° | 171 mm | 16° | 8.8 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 18°, and at most 96 mm of rain in a month. The sea sits at 23–25° then.
Walking the city: May and October — highs of 21–21° and no more than 84 mm of rain a month.