Swimming in Castelsardo in december 2026: Average sea temperature in december and tide times in december 2026
Average sea temperature in Castelsardo in december 2026.
In december, according to seasonal norms, the sea temperature in Castelsardo is:
Minimum: 57°F
Average: 61°F
Maximum: 66°F
Other useful seasonal weather averages in december:
- Outside temperature: 50°F to 56°F
- Most common weather: "Clear/Sunny"
- The wind blows at 5mph
- It rains a total of 3.2in, over 4 day(s).
Should we swim in Castelsardo in december?
No... The water temperature in Castelsardo in december is cold
Swimming in Castelsardo in december is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average sea temperature of 61°F (minimum: 57°F - maximum: 66°F).
Note also that in december, the climate is tolerable with an average outside temperature of 53°F, 3.2in of precipitation (over 4 days) and 82.06 % humidity.
Water and normal seasonal temperatures in Castelsardo in december
| December | |||
| Average sea temperature | 61°F | ||
| Minimum sea temperature | 57°F | ||
| Maximum sea temperature | 66°F | ||
| Average outside temperature | 54°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 50°F | ||
| Wind speed | 13.7mph | ||
| Wind temperature | 47°F | ||
| Precipitation | 3.2in | ||
| Number of days of rain | 4 jour(s) (14%) | ||
| Humidity | 83% | ||
| Visibility in kilometers | 9.64km | ||
| Cloud cover | 37% | ||
| Our opinion | cold swimming |
Chart of the tides in december 2026
Tide times in december 2026 in Castelsardo
Swim elsewhere in Sardinia in december
| City | Average T° | Min. T° | Max. T° | Our opinion | Cagliari in december | 62°F | 66°F | cold swimming | Alghero in december | 62°F | 66°F | cold swimming | Olbia in december | 61°F | 65°F | cold swimming | La Maddalena in december | 61°F | 66°F | cold swimming | Palau in december | 61°F | 66°F | cold swimming | Pula in december | 62°F | 66°F | cold swimming |