Dubrovnik is warmest in August, averaging 29° by day and 25° at night. The wettest month is December with 220 mm, and the year brings about 1323 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 12° | 8° | 155 mm | 15° | 9.2 h | Cool |
| February | 13° | 9° | 101 mm | 14° | 10.3 h | Mild |
| March | 13° | 10° | 105 mm | 14° | 11.7 h | Mild |
| April | 16° | 13° | 75 mm | 16° | 13.2 h | Mild |
| May | 20° | 16° | 78 mm | 19° | 14.4 h | Sightseeing |
| June | 25° | 21° | 57 mm | 23° | 15.1 h | Sightseeing |
| July | 29° | 23° | 25 mm | 25° | 14.8 h | Beach weather |
| August | 29° | 25° | 62 mm | 26° | 13.7 h | Beach weather |
| September | 25° | 21° | 150 mm | 24° | 12.3 h | Mild |
| October | 21° | 17° | 118 mm | 22° | 10.8 h | Mild |
| November | 17° | 14° | 177 mm | 19° | 9.5 h | Mild |
| December | 14° | 10° | 220 mm | 17° | 8.9 h | Rainy season |
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: July and August — highs around 29°, nights no colder than 23°, and at most 62 mm of rain in a month. The sea sits at 25–26° then.
Walking the city: May and June — highs of 20–25° and no more than 78 mm of rain a month.
Wet season: December — up to 220 mm in a single month.