Measurements:
°C
°F
Bastia
48°F
E 3 mph
Feels like: 48°F
Precip: 0%
World Resorts France Bastia Weather

Bastia Sea Water Temperature

Current Sea Water Temperature:
+63.2°F
Maximum Sea Water Temperature in December: 66.4°F
Minimum Sea Water Temperature in December: 57.8°F
Average water temperature in December: 62.4°F

Sea Water Temperature for the Last 10 Days:

December 13 63.2°F December 08 63.8°F
December 12 63.4°F December 07 64.2°F
December 11 63.8°F December 06 64.2°F
December 10 63.8°F December 05 64.4°F
December 09 63.8°F December 04 64.8°F

When is the Warmest Sea for Bastia?

According to our data for the last three years for Bastia 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 Bastia was 82.7°F. The maximum and minimum values were 80.2°F and 85.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Bastia was 83.2°F. The maximum and minimum values were 80.6°F and 88.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Bastia was 78.9°F. The maximum and minimum values were 76.4°F and 80.6°F respectively.

Best Time to Visit Bastia
The most sunny months:
July 28 days
August 26 days
June 24 days
The most warm months:
August 88.1 °F
July 87.7 °F
June 81.4 °F
Warmest sea temperature:
August 82.7 °F
July 81.3 °F
September 78.8 °F
The most cold months:
January 54.3 °F
February 54.9 °F
December 57.1 °F
The most rainy months:
November 5 days
March 4 days
February 3 days
The most windy months:
March 7 mph
November 7 mph
January 7 mph

Bastia on the Weather Map

France Resorts:
NAME
Annecy +30
Antibes +52
Biarritz +46
Bordeaux +46
Cannes +50
Corsica +52
Etretat +46
Marseilles +52
Menton +56
Montpellier +48
Nice +50
Paris +44
Saint-Tropez +50
Toulon +50
Toulouse +44
24 Hours Weather Forecast
Bastia
Local time: 02:26
14 dec, sunday
0300 48°F
E
3 mph
0600 48°F
NE
3 mph
0900 50°F
NE
3 mph
1200 58°F
NW
4 mph
1500 58°F
NW
5 mph
1800 50°F
N
5 mph
2100 48°F
N
6 mph
15 dec, monday
0000 48°F
N
7 mph