Current sea water temperature:
+62.6°F
| Minimum sea water temperature in April: | 62.6°F |
| Maximum sea water temperature in April: | 55.2°F |
| Average sea water temperature in April: | 58.4°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:
| April 19 | 62.6°F | April 14 | 59.7°F |
| April 18 | 61.7°F | April 13 | 60.3°F |
| April 17 | 61.2°F | April 12 | 59.9°F |
| April 16 | 60.6°F | April 11 | 60.3°F |
| April 15 | 59.7°F | April 10 | 60.1°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
April
April
| 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: 14:37
April 19, sunday
1500
72°F
E
16 mph
16 mph
1800
70°F
E
19 mph
19 mph
2100
64°F
E
18 mph
18 mph
April 20, monday
0000
61°F
E
14 mph
14 mph
0300
59°F
SE
8 mph
8 mph
0600
59°F
SE
2 mph
2 mph
0900
63°F
W
2 mph
2 mph
1200
66°F
N
4 mph
4 mph
