Average sea water temperature in December:
+45.5°F
| Minimum sea water temperature in December: | 49.3°F |
| Maximum sea water temperature in December: | 41.9°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 45.3°F. The highest and lowest sea temperatures during the month were 47.1°F and 43.2°F.
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| Winterthur |
monthly
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| Winterthur |
current
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| Winterthur |
14 days
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| Winterthur |
Monthly sea water temperature in Winterthur, °F
Which Switzerland resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Geneva | 49.4°F | 49.5°F |
| Lake Geneva | 48.3°F | 49.0°F |
| Lausanne | 48.2°F | 48.9°F |
| Vevey | 48.1°F | 49.0°F |
| Montreux | 48.1°F | 48.9°F |
| Gstaad | 48.1°F | 48.9°F |
| Verbier | 48.1°F | 48.9°F |
| St Gallen | 45.6°F | 46.0°F |
| Winterthur | 45.3°F | 45.8°F |
| Zurich | 45.3°F | 45.8°F |
Best time for vacation in Winterthur
Winterthur on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Winterthur
Local time: 15:57
March 17, tuesday
1800

46°F
W
5 mph
5 mph
2100

37°F
W
4 mph
4 mph
March 18, wednesday
0000

36°F
SW
4 mph
4 mph
0300

37°F
SW
9 mph
9 mph
0600

36°F
SW
10 mph
10 mph
0900

41°F
SW
14 mph
14 mph
1200

50°F
SW
17 mph
17 mph
1500

52°F
SW
18 mph
18 mph



























