Croatia
Kvarner · Adriatic Sea

Rajska PlažaSea temperature now

Famed shallow sandy Rab island beach.

Warm water with a light chop and a light breeze — great swimming conditions.

Sea temperature now
24.5°Chot
Excellent
Updated just now · Source: Open-Meteo Marine
Air
Waves
Wind
UV

Location

Rajska Plaža on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Monthly sea temperature averages

Typical year-round water temperature, based on regional climatology.

12°C26°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Rajska Plaža

The sea in Rajska Plaža 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.

Rajska Plaža sea temperature history

Long-term climatology for Rajska Plaža 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 Rajska Plaža, 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

Rajska Plaža sea temperature: frequently asked questions

What is the warmest month to swim in Rajska Plaža?

August is the warmest month in Rajska Plaža, when the sea averages about 26°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Rajska Plaža?

The coldest month in Rajska Plaža is typically February, when the water averages around 12°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Rajska Plaža without a wetsuit?

The main swimming season in Rajska Plaža 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 Rajska Plaža?

Outside peak summer the water in Rajska Plaža 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 Rajska Plaža?

The long-term annual mean sea temperature in Rajska Plaža is about 18°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Rajska Plaža?

The live reading at the top of this page shows the current sea temperature in Rajska Plaža, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

Best swim months: Jun – Jul – Aug – Sep – Oct

MonthSeaComfort
Jan13°CCold
Feb12°CCold
Mar13°CCold
Apr15°CBracing
May19°CPleasant
Jun23°CWarm
Jul25°CWarm
Aug26°CHot
Sep23°CWarm
Oct20°CPleasant
Nov17°CBracing
Dec14°CBracing

Nearby beaches