Measurements:
°C
°F
La Seyne sur Mer
56°F
SE 35 mph
Feels like: 48°F
Precip: 0%
World Resorts France La Seyne sur Mer Weather

La Seyne sur Mer Sea Water Temperature

Current Sea Water Temperature:
+59.0°F
Maximum Sea Water Temperature in March: 60.4°F
Minimum Sea Water Temperature in March: 55.6°F
Average water temperature in March: 57.3°F

Sea Water Temperature for the Last 10 Days:

March 30 59.0°F March 25 59.4°F
March 29 58.8°F March 24 59.0°F
March 28 59.2°F March 23 58.6°F
March 27 59.0°F March 22 58.4°F
March 26 59.6°F March 21 59.0°F

When is the Warmest Sea for La Seyne sur Mer?

According to our data for the last three years for La Seyne sur Mer 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 La Seyne sur Mer was 78.6°F. The maximum and minimum values were 73.6°F and 82.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for La Seyne sur Mer was 77.4°F. The maximum and minimum values were 69.2°F and 85.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for La Seyne sur Mer was 73.4°F. The maximum and minimum values were 68.6°F and 76.0°F respectively.

Best Time to Visit La Seyne sur Mer
The most sunny months:
August 29 days
July 29 days
June 25 days
The most warm months:
August 86.2 °F
July 85.9 °F
June 79.7 °F
Warmest sea temperature:
August 78.3 °F
July 76.4 °F
September 75.3 °F
The most cold months:
January 52.9 °F
February 54.3 °F
December 55.7 °F
The most rainy months:
November 4 days
February 3 days
March 3 days
The most windy months:
January 13 mph
March 13 mph
December 12 mph

La Seyne sur Mer on the Weather Map

France Resorts:
NAME
Annecy +38
Antibes +56
Biarritz +54
Bordeaux +54
Cannes +56
Chamonix +22
Corsica +46
Etretat +50
Marseilles +52
Menton +58
Montpellier +52
Nice +54
Paris +50
Saint-Tropez +58
Toulouse +48
24 Hours Weather Forecast
La Seyne sur Mer
Local time: 20:46
30 mar, monday
2100 56°F
SE
35 mph
31 mar, tuesday
0000 56°F
SE
36 mph
0300 54°F
SE
28 mph
0600 52°F
SE
18 mph
0900 52°F
SE
14 mph
1200 56°F
E
6 mph
1500 62°F
E
17 mph
1800 60°F
SE
25 mph