Average sea water temperature in December:
+51.2°F
| Minimum sea water temperature in December: | 55.0°F |
| Maximum sea water temperature in December: | 47.5°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 49.4°F. The highest and lowest sea temperatures during the month were 51.8°F and 47.8°F.
Monthly sea water temperature in Geneva, °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 | 48.2°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 Geneva
Geneva on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Geneva
Local time: 21:43
December 31, wednesday
0000
30°F
SW
16 mph
16 mph
0300
28°F
SW
14 mph
14 mph
0600
28°F
SW
12 mph
12 mph
0900
28°F
SW
11 mph
11 mph
1200
32°F
SW
9 mph
9 mph
1500
36°F
SW
9 mph
9 mph
1800
25°F
SW
6 mph
6 mph
2100
23°F
SW
3 mph
3 mph
