Measurements:
°C
°F
Costa Rei
84°F
N 9 mph
Feels like: 86°F
Precip: 17%
World Resorts Italy Costa Rei Weather

Costa Rei Sea Water Temperature

Current Sea Water Temperature:
+81.6°F
Maximum Sea Water Temperature in October: 82.8°F
Minimum Sea Water Temperature in October: 69.4°F
Average water temperature in October: 75.6°F

Sea Water Temperature for the Last 10 Days:

October 06 81.6°F October 01 82.8°F
October 05 81.8°F September 30 83.2°F
October 04 82.0°F September 29 83.4°F
October 03 82.6°F September 28 83.8°F
October 02 82.4°F September 27 84.0°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Costa Rei was 88.2°F. The maximum and minimum values were 86.2°F and 89.4°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Costa Rei was 86.4°F. The maximum and minimum values were 83.2°F and 88.8°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 93.1 °F
June 86.0 °F
Warmest sea temperature:
August 83.9 °F
July 81.5 °F
September 81.2 °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
F°
Amalfi +76
Bari +74
Bibione +76
Catania +84
Florence +82
Genoa +74
Lido di Jesolo +74
Naples +74
Palermo +80
Rimini +74
Rome +74
Scalea +74
Sicily +76
Tropea +74
Venice +74
24 Hours Weather Forecast
Costa Rei
Local time: 14:40
06 oct, tuesday
1500 84°F
N
9 mph
1800 84°F
SE
9 mph
2100 74°F
SW
5 mph
07 oct, wednesday
0000 70°F
W
4 mph
0300 68°F
SW
3 mph
0600 68°F
W
3 mph
0900 74°F
NW
3 mph
1200 82°F
NE
7 mph