Measurements:
°C
°F
Rab
28°F
W 9 mph
Feels like: 20°F
Precip: 0%
World Resorts Croatia Rab Weather

Rab Sea Water Temperature

Current Sea Water Temperature:
+56.0°F
Maximum Sea Water Temperature in January: 59.4°F
Minimum Sea Water Temperature in January: 51.4°F
Average water temperature in January: 54.9°F

Sea Water Temperature for the Last 10 Days:

January 10 56.0°F January 05 56.4°F
January 09 56.8°F January 04 57.0°F
January 08 57.6°F January 03 57.6°F
January 07 56.2°F January 02 57.8°F
January 06 56.2°F January 01 57.6°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 41.2 °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 +46
Brela +46
Dubrovnik +46
Hvar +50
Istria +42
Makarska +32
Opatija +34
Porec +42
Pula +42
Rijeka +34
Rovinj +42
Split +38
Trogir +42
Zadar +44
Zagreb +30
24 Hours Weather Forecast
Rab
Local time: 21:16
11 jan, sunday
0000 26°F
W
7 mph
0300 26°F
SW
6 mph
0600 26°F
W
11 mph
0900 18°F
W
16 mph
1200 22°F
W
14 mph
1500 24°F
W
12 mph
1800 18°F
W
9 mph
2100 18°F
W
7 mph