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Korčula climate by month
What the weather is like
Korčula has a hot-summer Mediterranean climate (Köppen Csa): dry, sunny summers and mild, wetter winters.
The warmest month is August, when afternoons average 31° and nights 23°. January is the coolest month, with highs of 12° and lows of 7°. The difference between the warmest and the coolest month is about 18°.
About 964 mm of precipitation falls in an average year. November is the wettest month (137 mm, 12 wet days) and July the driest (21 mm, 4 wet days). Cloud cover ranges from 9% in July to 36% in December.
The sea reaches about 25° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Zagreb, the capital, Korčula is 2.5° warmer on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 31° · August
- Coldest nights
- 7° · January
- Wettest month
- November
- Driest month
- July
- Clearest skies
- July · 9% cloud
- Warmest sea
- 25° · August
- Longest day
- 15 h 20 min
- Shortest day
- 9 h 02 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 12° | 13° | 15° | 18° | 23° | 28° | 30° | 31° | 26° | 22° | 17° | 13° |
| Average low | 7° | 7° | 9° | 12° | 17° | 21° | 23° | 23° | 19° | 16° | 11° | 8° |
| Precipitation | 95 mm | 86 mm | 94 mm | 71 mm | 52 mm | 48 mm | 21 mm | 44 mm | 81 mm | 103 mm | 137 mm | 132 mm |
| Wet days (≥1 mm) | 11.7 | 10.7 | 10.6 | 9.4 | 8.2 | 6.2 | 4.3 | 4.5 | 7.8 | 9.5 | 12.3 | 12.3 |
| Cloud cover | 35% | 32% | 34% | 32% | 26% | 18% | 9% | 11% | 20% | 29% | 34% | 36% |
| Sea temperature | 14° | 14° | 14° | 15° | 18° | 22° | 24° | 25° | 23° | 21° | 19° | 16° |
| Daylight | 9h 21 | 10h 32 | 11h 53 | 13h 23 | 14h 38 | 15h 20 | 15h 03 | 13h 58 | 12h 32 | 11h 06 | 9h 45 | 9h 02 |
| Saharan dust haze | – | – | – | ● | ● | ● | – | – | – | – | – | – |
| Month score | 39 | 48 | 60 | 77 | 81 | 74 | 67 | 66 | 78 | 78 | 65 | 43 |
Dust haze, monthly average 2015–2024: ● occasional, ●● frequent, ●●● very frequent