World Resorts Switzerland St Gallen Weather

St Gallen Sea Temperature in December

Average sea water temperature in December:
+45.6°F
Minimum sea water temperature in December: 50.4°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 45.6°F. The highest and lowest sea temperatures during the month were 48.0°F and 43.9°F.

Monthly sea water temperature in St Gallen, °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 St Gallen

Sunniest months:
August 16 days
October 15 days
September 14 days
Warmest months:
August 73.2 °F
July 72.9 °F
June 70.8 °F
Warmest sea temp:
August 69.7 °F
July 69.0 °F
September 65.0 °F
Coldest months:
January 37.2 °F
December 39.9 °F
February 41.0 °F
Rainiest months:
July 10 days
May 9 days
June 9 days
Windiest months:
January 4.9 mph
February 4.8 mph
March 4.7 mph

St Gallen on a weather map

Current weather
09:17
St Gallen
+66°F
E 1 mph
Feels like: +66°F
Precip.: 10%
Places in Switzerland:
Name
°F
Berne
+66°F
Vevey
+63°F
Verbier
+59°F
Winterthur
+68°F
Gstaad
+63°F
Geneva
+70°F
Lake Geneva
+70°F
Interlaken
+57°F
Lausanne
+68°F
Lugano
+77°F
Lucerne
+68°F
Montreux
+63°F
St Gallen
+66°F
Zermatt
+46°F
Zurich
+68°F
all places
24 Hours Forecast
St Gallen
Local time: 09:17
July 18, saturday
1200
72°F
E
6 mph
1500
75°F
SE
7 mph
1800
70°F
SE
5 mph
2100
63°F
NE
5 mph
July 19, sunday
0000
59°F
N
6 mph
0300
57°F
N
5 mph
0600
55°F
N
6 mph
0900
61°F
SE
6 mph
Units of measurement: °C / °F