Split water temperature
The sea off Split is warmest in August, around 76°F (25°C), and coolest in February, around 56°F (13°C).
Photo: dronepicr, CC BY 2.0
Sea temperature by month
| Month | Sea | Feels | Air high |
|---|---|---|---|
| January | 58°F (14°C) | Cold: wetsuit | 51°F |
| February | 56°F (13°C) | Cold: wetsuit | 53°F |
| March | 56°F (14°C) | Cold: wetsuit | 58°F |
| April | 59°F (15°C) | Cold: wetsuit | 65°F |
| May | 64°F (18°C) | Cold: wetsuit | 74°F |
| June | 71°F (22°C) | Refreshing | 83°F |
| July | 75°F (24°C) | Pleasant | 88°F |
| August | 76°F (25°C) | Pleasant | 88°F |
| September | 73°F (23°C) | Refreshing | 78°F |
| October | 69°F (21°C) | Cool: wetsuit for long swims | 69°F |
| November | 66°F (19°C) | Cool: wetsuit for long swims | 60°F |
| December | 61°F (16°C) | Cold: wetsuit | 53°F |
Average sea-surface temperature just offshore, 1991–2020. Water in shallow bays runs a little warmer on sunny afternoons.
On the water in Split
Questions
When is the water warmest in Split?
August, at about 76°F (25°C).
Can you swim in Split all year?
The water is comfortably warm (73°F/23°C or more) in July, August. Outside those months most people want a wetsuit for long swims.
Do I need a wetsuit to snorkel in Split?
In February, at 56°F, a 3 mm wetsuit makes a long snorkel much more comfortable. Many tours include or rent one.
