World Resorts USA Lake Geneva Weather

Lake Geneva Sea Temperature in December

Average sea water temperature in December:
+35.7°F
Minimum sea water temperature in December: 46.8°F
Maximum sea water temperature in December: 32.0°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 32.0°F. The highest and lowest sea temperatures during the month were 32.0°F and 32.0°F.

Monthly sea water temperature in Lake Geneva, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.2°F 78.3°F
West Palm Beach 79.0°F 78.4°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.2°F 76.0°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Key Largo 76.3°F 73.1°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Port St. Lucie 73.3°F 71.9°F
Naples 71.5°F 67.7°F
Cape Coral 71.2°F 67.8°F
Cocoa Beach 69.7°F 66.6°F
Siesta Key 69.3°F 65.6°F
Sarasota 69.2°F 65.6°F
Tampa 68.3°F 65.5°F
Orlando 67.6°F 66.0°F

Best time for vacation in Lake Geneva

Sunniest months:
June 13 days
August 13 days
September 13 days
Warmest months:
July 80.0 °F
August 78.6 °F
June 76.0 °F
Warmest sea temp:
August 47.2 °F
October 43.3 °F
July 40.6 °F
Coldest months:
January 26.3 °F
February 30.9 °F
December 33.6 °F
Rainiest months:
April 3 days
May 3 days
September 2 days
Windiest months:
March 11.3 mph
April 11.1 mph
November 10.9 mph

Lake Geneva on a weather map

Lake Geneva
+63°F
SE 12 mph
Feels like: +63°F
Precip.: 5%
Places in USA:
Name
°F
+66°F
+72°F
+77°F
+70°F
+68°F
+84°F
+72°F
+68°F
+68°F
+61°F
+68°F
+84°F
+84°F
+81°F
+66°F
24 Hours Forecast
Lake Geneva
Local time: 12:40
October 29, thursday
1500
64°F
SE
12 mph
1800
54°F
SE
8 mph
2100
50°F
SE
7 mph
October 30, friday
0000
46°F
SE
7 mph
0300
45°F
S
7 mph
0600
41°F
SW
6 mph
0900
46°F
SW
7 mph
1200
55°F
W
8 mph
Units of measurement: °C / °F