Measurements:
°C
°F
Costa Rei
84°F
SE 11 mph
Feels like: 88°F
Precip: 5%
World Resorts Italy Costa Rei Weather

Costa Rei Sea Water Temperature

Current Sea Water Temperature:
+88.4°F
Maximum Sea Water Temperature in August: 88.4°F
Minimum Sea Water Temperature in August: 79.4°F
Average water temperature in August: 83.7°F

Sea Water Temperature for the Last 10 Days:

August 05 88.4°F July 31 87.0°F
August 04 88.4°F July 30 86.0°F
August 03 88.2°F July 29 85.2°F
August 02 87.4°F July 28 85.4°F
August 01 87.6°F July 27 85.2°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Costa Rei was 84.9°F. The maximum and minimum values were 80.8°F and 87.4°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 30 days
August 28 days
June 27 days
The most warm months:
July 93.2 °F
August 92.9 °F
June 86.0 °F
Warmest sea temperature:
August 83.6 °F
July 81.5 °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
Baia Domizia +88
Bari +90
Bibione +82
Florence +80
Genoa +74
Lido di Jesolo +88
Naples +88
Palermo +86
Rimini +82
Rome +82
Sanremo +82
Scalea +66
Sicily +86
Tropea +80
Venice +88
24 Hours Weather Forecast
Costa Rei
Local time: 22:17
06 aug, thursday
0000 80°F
S
9 mph
0300 78°F
S
4 mph
0600 76°F
S
6 mph
0900 86°F
SE
6 mph
1200 96°F
NE
6 mph
1500 94°F
N
11 mph
1800 92°F
N
6 mph
2100 82°F
SE
1 mph