Measurements:
°C
°F
Costa Rei
64°F
SE 5 mph
Feels like: 64°F
Precip: 3%
World Resorts Italy Costa Rei Weather

Costa Rei Sea Water Temperature

Current Sea Water Temperature:
+71.6°F
Maximum Sea Water Temperature in June: 83.8°F
Minimum Sea Water Temperature in June: 65.2°F
Average water temperature in June: 74.3°F

Sea Water Temperature for the Last 10 Days:

June 05 71.6°F May 30 72.4°F
June 04 73.0°F May 29 71.6°F
June 03 73.6°F May 28 71.4°F
June 01 73.6°F May 27 71.8°F
May 31 73.8°F May 26 70.4°F

When is the Warmest Sea for Costa Rei?

According to our data for the last three years for Costa Rei 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 Costa Rei was 83.7°F. The maximum and minimum values were 82.0°F and 85.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Costa Rei was 83.5°F. The maximum and minimum values were 82.2°F and 84.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Costa Rei was 82.0°F. The maximum and minimum values were 80.4°F and 82.8°F respectively.

Best Time to Visit Costa Rei
The most sunny months:
July 29 days
August 28 days
June 26 days
The most warm months:
July 93.0 °F
August 92.9 °F
June 85.9 °F
Warmest sea temperature:
August 83.6 °F
July 81.3 °F
September 80.8 °F
The most cold months:
January 57.3 °F
February 58.3 °F
December 60.1 °F
The most rainy months:
November 3 days
October 2 days
March 2 days
The most windy months:
January 10 mph
March 10 mph
February 9 mph

Costa Rei on the Weather Map

Italy Resorts:
NAME
Amalfi +64
Bari +72
Bibione +60
Catania +72
Florence +58
Genoa +56
Lido di Jesolo +60
Naples +72
Palermo +68
Rimini +64
Rome +66
Scalea +56
Sicily +66
Tropea +68
Venice +60
24 Hours Weather Forecast
Costa Rei
Local time: 06:07
06 jun, saturday
0900 78°F
SE
7 mph
1200 84°F
E
3 mph
1500 82°F
N
11 mph
1800 80°F
N
7 mph
2100 70°F
N
2 mph
07 jun, sunday
0000 68°F
S
2 mph
0300 64°F
S
2 mph
0600 64°F
S
4 mph