21.12
sun
sun
Day
54°F
W 23 mph
Precip.
100%
100%
Night
52°F
W 27 mph
Precip.
100%
100%
22.12
mon
mon
Day
54°F
W 27 mph
Precip.
100%
100%
Night
52°F
NW 9 mph
Precip.
100%
100%
23.12
tue
tue
Day
52°F
SW 7 mph
Precip.
100%
100%
Night
52°F
N 6 mph
Precip.
100%
100%
24.12
wed
wed
Day
52°F
E 6 mph
Precip.
0%
0%
Night
48°F
E 7 mph
Precip.
0%
0%
25.12
thu
thu
Day
50°F
W 16 mph
Precip.
100%
100%
Night
52°F
W 25 mph
Precip.
49%
49%
26.12
fri
fri
Day
52°F
W 19 mph
Precip.
25%
25%
Night
50°F
SE 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
54°F
N 2 mph
Precip.
0%
0%
Night
50°F
W 5 mph
Precip.
0%
0%
28.12
sun
sun
Day
54°F
W 7 mph
Precip.
67%
67%
Night
50°F
SW 4 mph
Precip.
53%
53%
29.12
mon
mon
Day
50°F
E 4 mph
Precip.
0%
0%
Night
48°F
S 7 mph
Precip.
20%
20%
30.12
tue
tue
Day
50°F
NW 3 mph
Precip.
0%
0%
Night
48°F
S 4 mph
Precip.
0%
0%
31.12
wed
wed
Day
46°F
S 6 mph
Precip.
100%
100%
Night
48°F
W 10 mph
Precip.
56%
56%
01.01
thu
thu
Day
48°F
W 16 mph
Precip.
0%
0%
Night
46°F
SE 7 mph
Precip.
0%
0%
02.01
fri
fri
Day
45°F
SE 12 mph
Precip.
0%
0%
Night
43°F
SE 6 mph
Precip.
0%
0%
03.01
sat
sat
Day
46°F
SE 5 mph
Precip.
0%
0%
Night
45°F
NW 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| La Seyne sur Mer |
monthly
weather
weather
| La Seyne sur Mer |
current
weather
weather
| La Seyne sur Mer |
7 days
forecast
forecast
| La Seyne sur Mer |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 61.3°F. The highest and lowest sea temperatures during the month were 62.1°F and 60.6°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 58.1°F. The highest and lowest sea temperatures during the month were 59.0°F and 57.2°F.
Air temperature in La Seyne sur Mer, °F
Precipitation total in La Seyne sur Mer, in.
* Charts above show average data for the last 3 years.
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: 01:30
December 21, sunday
0300
54°F
W
17 mph
17 mph
0600
55°F
W
22 mph
22 mph
0900
55°F
W
23 mph
23 mph
1200
54°F
W
23 mph
23 mph
1500
54°F
W
30 mph
30 mph
1800
52°F
W
34 mph
34 mph
2100
52°F
W
35 mph
35 mph
December 22, monday
0000
52°F
W
27 mph
27 mph
