Measurements:
°C
°F
Rab
36°F
W 16 mph
Feels like: 26°F
Precip: 100%
World Resorts Croatia Rab Weather

Rab Sea Water Temperature

Current Sea Water Temperature:
+63.8°F
Maximum Sea Water Temperature in May: 75.4°F
Minimum Sea Water Temperature in May: 57.4°F
Average water temperature in May: 64.0°F

Sea Water Temperature for the Last 10 Days:

May 12 63.8°F May 07 61.2°F
May 11 63.4°F May 06 62.6°F
May 10 63.2°F May 05 63.0°F
May 09 62.4°F May 04 63.2°F
May 08 61.8°F May 03 60.4°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 37.9 °F
February 39.8 °F
December 41.2 °F
The most rainy months:
May 8 days
November 7 days
September 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 +66
Brela +66
Dubrovnik +66
Istria +58
Klek +68
Makarska +62
Omis +62
Porec +58
Pula +54
Rijeka +44
Rovinj +54
Split +64
Trogir +62
Zadar +52
Zagreb +46
24 Hours Weather Forecast
Rab
Local time: 19:11
12 may, tuesday
2100 34°F
W
14 mph
13 may, wednesday
0000 34°F
W
11 mph
0300 34°F
W
10 mph
0600 34°F
W
7 mph
0900 44°F
W
6 mph
1200 50°F
W
2 mph
1500 52°F
SW
1 mph
1800 52°F
S
1 mph