Current sea water temperature:
+61.7°F
| Minimum sea water temperature in December: | 64.4°F |
| Maximum sea water temperature in December: | 57.6°F |
| Average sea water temperature in December: | 60.5°F |
| more information | |
14 days
forecast
forecast
| La Seyne sur Mer |
monthly
weather
weather
| La Seyne sur Mer |
Sea water temperature for the last 10 days:
| December 4 | 61.7°F | November 29 | 62.1°F |
| December 3 | 61.9°F | November 28 | 62.4°F |
| December 2 | 61.3°F | November 27 | 62.1°F |
| December 1 | 62.1°F | November 26 | 62.4°F |
| November 30 | 61.3°F | November 25 | 62.1°F |
Monthly sea water temperature, °F
When is the warmest sea in La Seyne sur Mer?
Based on the data about daily sea water temperature for the last three years the warmest sea in La Seyne sur Mer was noticed in August, July and September.
Monthly Sea Temperatures in La Seyne sur Mer, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 79.5°F and 71.2°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 74.6°F. The highest and lowest sea temperatures during the month were 82.0°F and 67.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 71.1°F. The highest and lowest sea temperatures during the month were 73.4°F and 66.7°F.
current
weather
weather
| La Seyne sur Mer |
weather in
December
December
| La Seyne sur Mer |
Best time for vacation in La Seyne sur Mer
La Seyne sur Mer on a weather map
Places in France:
Name
°F
24 Hours Forecast
La Seyne sur Mer
Local time: 05:13
December 05, friday
0600
48°F
SE
19 mph
19 mph
0900
48°F
SE
17 mph
17 mph
1200
52°F
SE
14 mph
14 mph
1500
54°F
SE
11 mph
11 mph
1800
50°F
SE
9 mph
9 mph
2100
50°F
SE
5 mph
5 mph
December 06, saturday
0000
50°F
SE
8 mph
8 mph
0300
50°F
SE
11 mph
11 mph
