20.12
sat
sat
Day

55°F
W 11 mph
Precip.
100%
100%
Night

54°F
W 15 mph
Precip.
72%
72%
21.12
sun
sun
Day

55°F
W 26 mph
Precip.
100%
100%
Night

54°F
W 22 mph
Precip.
100%
100%
22.12
mon
mon
Day

50°F
NE 8 mph
Precip.
100%
100%
Night

48°F
SE 13 mph
Precip.
100%
100%
23.12
tue
tue
Day

54°F
SW 9 mph
Precip.
100%
100%
Night

52°F
S 6 mph
Precip.
0%
0%
24.12
wed
wed
Day

52°F
SE 8 mph
Precip.
0%
0%
Night

48°F
E 9 mph
Precip.
0%
0%
25.12
thu
thu
Day

45°F
SE 11 mph
Precip.
100%
100%
Night

50°F
NW 17 mph
Precip.
100%
100%
26.12
fri
fri
Day

50°F
W 24 mph
Precip.
100%
100%
Night

50°F
W 25 mph
Precip.
21%
21%
27.12
sat
sat
Day

52°F
W 20 mph
Precip.
0%
0%
Night

48°F
W 7 mph
Precip.
0%
0%
28.12
sun
sun
Day

50°F
W 6 mph
Precip.
0%
0%
Night

50°F
W 17 mph
Precip.
100%
100%
29.12
mon
mon
Day

48°F
NW 7 mph
Precip.
100%
100%
Night

48°F
W 15 mph
Precip.
100%
100%
30.12
tue
tue
Day

50°F
NW 21 mph
Precip.
100%
100%
Night

50°F
W 12 mph
Precip.
100%
100%
31.12
wed
wed
Day

50°F
W 7 mph
Precip.
100%
100%
Night

39°F
SE 21 mph
Precip.
26%
26%
01.01
thu
thu
Day

34°F
SE 35 mph
Precip.
0%
0%
Night

30°F
SE 32 mph
Precip.
0%
0%
02.01
fri
fri
Day

28°F
SE 31 mph
Precip.
0%
0%
Night

27°F
SE 32 mph
Precip.
0%
0%
sea water
temperature
temperature
| Saint Syr Sur Mer |
monthly
weather
weather
| Saint Syr Sur Mer |
current
weather
weather
| Saint Syr Sur Mer |
7 days
forecast
forecast
| Saint Syr Sur Mer |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 61.2°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 57.9°F. The highest and lowest sea temperatures during the month were 58.8°F and 57.0°F.
Air temperature in Saint Syr Sur Mer, °F
Precipitation total in Saint Syr Sur Mer, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Saint Syr Sur Mer
Saint Syr Sur Mer on a weather map
Places in France:
Name
°F
24 Hours Forecast
Saint Syr Sur Mer
Local time: 11:45
December 20, saturday
1200

55°F
W
11 mph
11 mph
1500

57°F
W
12 mph
12 mph
1800

55°F
W
12 mph
12 mph
2100

54°F
W
13 mph
13 mph
December 21, sunday
0000

54°F
W
15 mph
15 mph
0300

54°F
W
14 mph
14 mph
0600

55°F
W
20 mph
20 mph
0900

55°F
W
19 mph
19 mph



























