World Resorts Switzerland Geneva Weather

Geneva Sea Temperature in December

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 47.7°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 48.1°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 Geneva

Sunniest months:
August 19 days
July 17 days
September 15 days
Warmest months:
August 76.7 °F
July 76.2 °F
June 72.9 °F
Warmest sea temp:
August 67.7 °F
July 67.6 °F
September 64.4 °F
Coldest months:
January 38.5 °F
December 40.9 °F
February 42.7 °F
Rainiest months:
May 7 days
June 7 days
July 6 days
Windiest months:
January 5.0 mph
February 4.8 mph
April 4.8 mph

Geneva on a weather map

Current weather
17:52
Geneva
+79°F
S 6 mph
Feels like: +79°F
Precip.: 2%
Places in Switzerland:
Name
°F
Berne
+75°F
Vevey
+68°F
Verbier
+63°F
Winterthur
+73°F
Gstaad
+66°F
Geneva
+79°F
Lake Geneva
+77°F
Interlaken
+57°F
Lausanne
+75°F
Lugano
+73°F
Lucerne
+73°F
Montreux
+68°F
St Gallen
+70°F
Zermatt
+48°F
Zurich
+73°F
all places
24 Hours Forecast
Geneva
Local time: 17:52
July 21, tuesday
1800
79°F
S
6 mph
2100
64°F
S
6 mph
July 22, wednesday
0000
57°F
SW
5 mph
0300
54°F
SW
5 mph
0600
50°F
SW
5 mph
0900
64°F
SW
7 mph
1200
75°F
SW
9 mph
1500
81°F
SW
6 mph
Units of measurement: °C / °F