19.12
fri
fri
Day
55°F
W 16 mph
Precip.
100%
100%
Night
55°F
W 12 mph
Precip.
85%
85%
20.12
sat
sat
Day
54°F
W 12 mph
Precip.
100%
100%
Night
55°F
W 14 mph
Precip.
100%
100%
21.12
sun
sun
Day
55°F
W 17 mph
Precip.
100%
100%
Night
54°F
N 7 mph
Precip.
100%
100%
22.12
mon
mon
Day
52°F
W 16 mph
Precip.
100%
100%
Night
50°F
SW 12 mph
Precip.
100%
100%
23.12
tue
tue
Day
52°F
SE 6 mph
Precip.
0%
0%
Night
50°F
N 3 mph
Precip.
0%
0%
24.12
wed
wed
Day
54°F
W 19 mph
Precip.
100%
100%
Night
52°F
W 21 mph
Precip.
81%
81%
25.12
thu
thu
Day
54°F
SW 9 mph
Precip.
21%
21%
Night
50°F
NW 4 mph
Precip.
100%
100%
26.12
fri
fri
Day
48°F
E 5 mph
Precip.
100%
100%
Night
46°F
SE 4 mph
Precip.
0%
0%
27.12
sat
sat
Day
50°F
N 2 mph
Precip.
0%
0%
Night
48°F
SW 5 mph
Precip.
46%
46%
28.12
sun
sun
Day
48°F
W 11 mph
Precip.
27%
27%
Night
48°F
W 15 mph
Precip.
86%
86%
29.12
mon
mon
Day
50°F
W 14 mph
Precip.
0%
0%
Night
48°F
SW 9 mph
Precip.
77%
77%
30.12
tue
tue
Day
50°F
SW 2 mph
Precip.
0%
0%
Night
46°F
SE 3 mph
Precip.
0%
0%
31.12
wed
wed
Day
50°F
SW 2 mph
Precip.
0%
0%
Night
46°F
NW 2 mph
Precip.
0%
0%
01.01
thu
thu
Day
50°F
NW 6 mph
Precip.
0%
0%
Night
48°F
W 7 mph
Precip.
75%
75%
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: 02:29
December 19, friday
0300
54°F
W
15 mph
15 mph
0600
55°F
W
17 mph
17 mph
0900
55°F
W
17 mph
17 mph
1200
55°F
W
16 mph
16 mph
1500
55°F
W
14 mph
14 mph
1800
55°F
W
14 mph
14 mph
2100
55°F
W
14 mph
14 mph
December 20, saturday
0000
55°F
W
12 mph
12 mph
