Current sea water temperature:
+61.5°F
| Minimum sea water temperature in January: | 62.1°F |
| Maximum sea water temperature in January: | 56.8°F |
| Average sea water temperature in January: | 59.0°F |
| more information | |
14 days
forecast
forecast
| Costa Rei |
monthly
weather
weather
| Costa Rei |
Sea water temperature for the last 10 days:
| January 1 | 61.5°F | December 27 | 62.1°F |
| December 31 | 61.7°F | December 26 | 62.4°F |
| December 30 | 61.3°F | December 25 | 61.7°F |
| December 29 | 61.5°F | December 24 | 61.7°F |
| December 28 | 61.5°F | December 23 | 62.1°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
January
January
| 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: 20:22
January 01, thursday
2100
50°F
E
6 mph
6 mph
January 02, friday
0000
48°F
E
2 mph
2 mph
0300
48°F
S
2 mph
2 mph
0600
46°F
SE
1 mph
1 mph
0900
50°F
SE
2 mph
2 mph
1200
57°F
NE
3 mph
3 mph
1500
59°F
E
8 mph
8 mph
1800
54°F
E
6 mph
6 mph
