Measurements:
°C
°F
Biarritz
50°F
NW 7 mph
Feels like: 46°F
Precip: 0%
World Resorts France Biarritz Weather

Biarritz Sea Water Temperature

Current Sea Water Temperature:
+53.6°F
Maximum Sea Water Temperature in February: 56.8°F
Minimum Sea Water Temperature in February: 50.0°F
Average water temperature in February: 53.8°F

Sea Water Temperature for the Last 10 Days:

February 18 53.6°F February 13 55.0°F
February 17 54.2°F February 12 54.8°F
February 16 54.0°F February 11 54.8°F
February 15 54.0°F February 10 54.8°F
February 14 54.8°F February 09 54.6°F

When is the Warmest Sea for Biarritz?

According to our data for the last three years for Biarritz 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 Biarritz was 76.7°F. The maximum and minimum values were 75.0°F and 78.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Biarritz was 77.0°F. The maximum and minimum values were 75.0°F and 79.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Biarritz was 73.0°F. The maximum and minimum values were 70.0°F and 75.4°F respectively.

Best Time to Visit Biarritz
The most sunny months:
August 16 days
September 15 days
October 14 days
The most warm months:
August 77.7 °F
July 75.6 °F
September 74.1 °F
Warmest sea temperature:
August 75.6 °F
July 74.1 °F
September 72.6 °F
The most cold months:
January 50.9 °F
February 52.8 °F
December 54.5 °F
The most rainy months:
November 8 days
January 7 days
March 6 days
The most windy months:
January 9 mph
December 9 mph
February 9 mph

Biarritz on the Weather Map

France Resorts:
NAME
Annecy +32
Antibes +50
Biarritz +50
Bordeaux +50
Cannes +48
Chamonix +22
Corsica +50
Etretat +46
Marseilles +48
Menton +50
Montpellier +48
Nice +46
Paris +38
Saint-Tropez +48
Toulouse +48
24 Hours Weather Forecast
Biarritz
Local time: 10:02
18 feb, wednesday
1200 60°F
N
7 mph
1500 64°F
NE
16 mph
1800 56°F
E
18 mph
2100 52°F
E
34 mph
19 feb, thursday
0000 50°F
E
30 mph
0300 48°F
E
30 mph
0600 48°F
E
30 mph
0900 48°F
E
29 mph