Current sea water temperature:
+64.9°F
| Minimum sea water temperature in May: | 70.3°F |
| Maximum sea water temperature in May: | 59.5°F |
| Average sea water temperature in May: | 64.5°F |
| more information | |
14 days
forecast
forecast
| Costa Rei |
monthly
weather
weather
| Costa Rei |
Sea water temperature for the last 10 days:
| May 8 | 64.9°F | May 3 | 64.4°F |
| May 7 | 63.9°F | May 2 | 64.2°F |
| May 6 | 64.0°F | May 1 | 64.2°F |
| May 5 | 64.2°F | April 30 | 63.9°F |
| May 4 | 64.2°F | April 29 | 64.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Costa Rei?
Based on the data about daily sea water temperature for the last three years the warmest sea in Costa Rei was noticed in August, July and September.
Monthly Sea Temperatures in Costa Rei, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 80.3°F. The highest and lowest sea temperatures during the month were 81.5°F and 78.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.2°F. The highest and lowest sea temperatures during the month were 81.3°F and 79.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.8°F. The highest and lowest sea temperatures during the month were 79.5°F and 77.4°F.
current
weather
weather
| Costa Rei |
weather in
May
May
| Costa Rei |
Best time for vacation in Costa Rei
Costa Rei on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Costa Rei
Local time: 06:38
May 09, saturday
0900

66°F
W
6 mph
6 mph
1200

72°F
NW
11 mph
11 mph
1500

68°F
NW
12 mph
12 mph
1800

66°F
W
12 mph
12 mph
2100

61°F
W
20 mph
20 mph
May 10, sunday
0000

61°F
W
11 mph
11 mph
0300

59°F
NW
7 mph
7 mph
0600

63°F
NE
2 mph
2 mph



























