Measurements:
°C
°F
Bastia
82°F
SW 4 mph
Feels like: 86°F
Precip: 12%
World Resorts France Bastia Weather

Bastia Sea Water Temperature

Current Sea Water Temperature:
+88.6°F
Maximum Sea Water Temperature in August: 89.6°F
Minimum Sea Water Temperature in August: 77.2°F
Average water temperature in August: 82.9°F

Sea Water Temperature for the Last 10 Days:

August 19 88.6°F August 14 89.4°F
August 18 88.8°F August 13 89.6°F
August 17 89.2°F August 12 89.6°F
August 16 89.6°F August 11 89.2°F
August 15 89.4°F August 10 88.8°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Bastia was 88.5°F. The maximum and minimum values were 86.6°F and 89.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Bastia was 85.9°F. The maximum and minimum values were 84.0°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 87.8 °F
June 81.5 °F
Warmest sea temperature:
August 82.7 °F
July 81.6 °F
September 78.8 °F
The most cold months:
January 54.3 °F
February 55.1 °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
Antibes +84
Arcachon +72
Cannes +84
Corsica +84
Deauville +62
Etretat +68
Marseilles +84
Menton +84
Montpellier +84
Nice +80
Paris +72
Perpignan +88
Saint-Tropez +86
Toulon +84
Toulouse +86
24 Hours Weather Forecast
Bastia
Local time: 20:11
19 aug, wednesday
2100 82°F
SW
4 mph
20 aug, thursday
0000 80°F
SE
5 mph
0300 78°F
SE
3 mph
0600 78°F
NE
2 mph
0900 82°F
N
4 mph
1200 88°F
W
8 mph
1500 86°F
NW
11 mph
1800 84°F
W
3 mph