North Dalmatia is a coastal area of Croatia on the Adriatic Sea, with 21 tracked beaches. The sea here ranges from about 12°C in the coolest month to 26°C at the summer peak, with roughly 5 months a year sitting above 20°C — the level most swimmers describe as pleasant without a wetsuit. Use the beach list below to check the current sea temperature at each spot before you head out.
North Dalmatia
21 tracked beaches in North Dalmatia, Croatia, with live Adriatic Sea temperatures.
Sea
Adriatic Sea
Avg sea temp now
22.9°C
Best months
June – October
Best time to swim in North Dalmatia
The sea in North Dalmatia peaks in August, when the water averages around 26°C.
The main swimming season runs from June – October, when surface temperatures stay comfortable for extended sessions.
On average, 5 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like May and November are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 15°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.
The coldest month is typically February at around 12°C, when cold-water swimmers dominate the coast.
North Dalmatia sea temperature history
Long-term climatology for North Dalmatia shows an annual mean sea temperature of 18°C, ranging from 12°C in winter to 26°C at the summer peak.
The seasonal swing is roughly 14°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at North Dalmatia, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Jan
13°C
Feb
12°C
Mar
13°C
Apr
15°C
May
19°C
Jun
23°C
Jul
25°C
Aug
26°C
Sep
23°C
Oct
20°C
Nov
17°C
Dec
14°C
Values are area averages; individual beaches vary by exposure and depth.
North Dalmatia sea temperature: frequently asked questions
What is the warmest month to swim in North Dalmatia?
August is the warmest month in North Dalmatia, when the sea averages about 26°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in North Dalmatia?
The coldest month in North Dalmatia is typically February, when the water averages around 12°C. Cold-water swimmers and surfers dominate this period.
When can you swim in North Dalmatia without a wetsuit?
The main swimming season in North Dalmatia runs from June – October — about 5 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in North Dalmatia?
Outside peak summer the water in North Dalmatia drops toward 15°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.
What is the average sea temperature in North Dalmatia?
The long-term annual mean sea temperature in North Dalmatia is about 18°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in North Dalmatia?
The live reading at the top of this page shows the current sea temperature in North Dalmatia, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Beaches in the North Dalmatia
Ranked by current live sea temperature.
- 1Kolovare BeachZadar, Croatia23.7°C
- 2Sabunike BeachNin, Croatia23.6°C
- 3Vodice BeachVodice, Croatia23.6°C
- 4Veli ZalDugi Otok, Croatia23.5°C
- 5Slanica BeachMurter, Croatia23.4°C
- 6Srima BeachVodice, Croatia23.4°C
- 7Sveti Duh BeachZadar, Croatia23.2°C
- 8Kosirina BeachMurter, Croatia23.2°C
- 9Zaton BeachZaton, Croatia23.0°C
- 10Banj BeachSibenik, Croatia23.0°C
- 11Nin Queens BeachNin, Croatia22.9°C
- 12Solaris BeachSibenik, Croatia22.9°C
- 13Prosika BeachPirovac, Croatia22.8°C
- 14Punta SkalaPetrcane, Croatia22.6°C
- 15Diklo BeachZadar, Croatia22.6°C
- 16Borik BeachZadar, Croatia22.5°C
- 17Podvrske BeachMurter, Croatia22.5°C
- 18Ninska LagunaNin, Croatia22.4°C
- 19Mala RaducaPrimosten, Croatia22.4°C
- 20Sakarun BeachDugi Otok, Croatia22.3°C
- 21Jadrija BeachSibenik, Croatia22.3°C
Swimming in the North Dalmatia — FAQ
How warm is the sea in the North Dalmatia in September?
The Adriatic Sea off the North Dalmatia averages about 23.0°C in September, based on long-term monthly averages for this coast.
When is the best time to swim in the North Dalmatia?
The North Dalmatia is warmest in August (around 26.0°C) and coldest in February (around 12.0°C). There are typically 4 months a year when the water sits above 22°C.
What is the average yearly sea temperature in the North Dalmatia?
Across all twelve months, the sea in the North Dalmatia averages about 18.3°C.
Do you need a wetsuit to swim in the North Dalmatia?
In peak season (around August, ~26.0°C) most swimmers are comfortable without a wetsuit. Outside summer, when the water drops toward 12.0°C, a 3/2mm to 5/4mm wetsuit is recommended.