Measurements:
°C
°F
Biarritz
52°F
E 27 mph
Feels like: 46°F
Precip: 100%
World Resorts France Biarritz Weather

Biarritz Sea Water Temperature

Current Sea Water Temperature:
+57.2°F
Maximum Sea Water Temperature in January: 60.0°F
Minimum Sea Water Temperature in January: 50.4°F
Average water temperature in January: 54.7°F

Sea Water Temperature for the Last 10 Days:

January 08 57.2°F January 03 56.8°F
January 07 56.0°F January 02 56.6°F
January 06 55.4°F January 01 55.6°F
January 05 56.2°F December 31 55.8°F
January 04 57.0°F December 30 56.4°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 51.0 °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 +36
Antibes +46
Biarritz +52
Bordeaux +50
Cannes +46
Chamonix +26
Corsica +52
Etretat +44
Marseilles +48
Menton +46
Montpellier +48
Nice +42
Paris +48
Saint-Tropez +50
Toulouse +48
24 Hours Weather Forecast
Biarritz
Local time: 01:21
09 jan, friday
0300 52°F
E
24 mph
0600 50°F
E
25 mph
0900 50°F
E
26 mph
1200 50°F
E
30 mph
1500 48°F
SE
30 mph
1800 50°F
SE
27 mph
2100 48°F
SE
27 mph
10 jan, saturday
0000 50°F
SE
26 mph