Current sea water temperature:
+60.6°F
| Minimum sea water temperature in December: | 64.4°F |
| Maximum sea water temperature in December: | 57.4°F |
| Average sea water temperature in December: | 60.3°F |
| more information | |
14 days
forecast
forecast
| Saint Syr Sur Mer |
monthly
weather
weather
| Saint Syr Sur Mer |
Sea water temperature for the last 10 days:
| December 23 | 60.6°F | December 18 | 61.2°F |
| December 22 | 60.8°F | December 17 | 61.5°F |
| December 21 | 61.0°F | December 16 | 60.6°F |
| December 20 | 61.2°F | December 15 | 61.0°F |
| December 19 | 61.3°F | December 14 | 60.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Saint Syr Sur Mer?
Based on the data about daily sea water temperature for the last three years the warmest sea in Saint Syr Sur Mer was noticed in August, July and September.
Monthly Sea Temperatures in Saint Syr Sur Mer, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 75.6°F. The highest and lowest sea temperatures during the month were 79.9°F and 69.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 74.3°F. The highest and lowest sea temperatures during the month were 81.9°F and 65.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 70.8°F. The highest and lowest sea temperatures during the month were 75.0°F and 66.4°F.
current
weather
weather
| Saint Syr Sur Mer |
weather in
December
December
| Saint Syr Sur Mer |
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: 00:12
December 24, wednesday
0300
52°F
SE
4 mph
4 mph
0600
52°F
SE
7 mph
7 mph
0900
52°F
S
7 mph
7 mph
1200
54°F
S
3 mph
3 mph
1500
54°F
E
4 mph
4 mph
1800
50°F
SW
2 mph
2 mph
2100
52°F
W
11 mph
11 mph
December 25, thursday
0000
52°F
W
22 mph
22 mph
