Measurements:
°C
°F
Rab
40°F
W 4 mph
Feels like: 36°F
Precip: 0%
World Resorts Croatia Rab Weather

Rab Sea Water Temperature

Current Sea Water Temperature:
+58.2°F
Maximum Sea Water Temperature in December: 62.4°F
Minimum Sea Water Temperature in December: 54.8°F
Average water temperature in December: 58.2°F

Sea Water Temperature for the Last 10 Days:

December 13 58.2°F December 08 58.8°F
December 12 58.2°F December 07 58.8°F
December 11 58.0°F December 06 59.4°F
December 10 58.8°F December 05 59.6°F
December 09 59.0°F December 04 59.6°F

When is the Warmest Sea for Rab?

According to our data for the last three years for Rab the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Rab was 76.7°F. The maximum and minimum values were 75.0°F and 79.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Rab was 78.5°F. The maximum and minimum values were 74.6°F and 83.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Rab was 75.7°F. The maximum and minimum values were 73.8°F and 77.6°F respectively.

Best Time to Visit Rab
The most sunny months:
August 23 days
July 22 days
June 20 days
The most warm months:
July 80.7 °F
August 80.4 °F
June 74.9 °F
Warmest sea temperature:
August 78.9 °F
July 78.7 °F
September 73.9 °F
The most cold months:
January 38.0 °F
February 39.6 °F
December 41.1 °F
The most rainy months:
May 8 days
November 7 days
April 6 days
The most windy months:
February 9 mph
March 9 mph
January 8 mph

Rab on the Weather Map

Croatia Resorts:
NAME
Baska Voda +52
Brela +52
Dubrovnik +54
Hvar +56
Istria +48
Klek +46
Makarska +44
Omis +46
Porec +48
Pula +50
Rijeka +40
Rovinj +50
Split +46
Zadar +52
Zagreb +38
24 Hours Weather Forecast
Rab
Local time: 00:16
14 dec, sunday
0300 40°F
W
3 mph
0600 38°F
W
4 mph
0900 42°F
W
3 mph
1200 48°F
SW
2 mph
1500 46°F
SW
2 mph
1800 40°F
W
1 mph
2100 40°F
W
2 mph
15 dec, monday
0000 40°F
NW
2 mph