World Resorts USA Lake Geneva Weather

Lake Geneva Sea Temperature in December

Average sea water temperature in December:
+35.9°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
West Palm Beach 79.2°F 78.4°F
Fort Lauderdale 78.9°F 77.6°F
Honolulu 78.7°F 78.3°F
Hawaii 78.6°F 78.3°F
Kauai 78.4°F 76.0°F
Maui 78.2°F 77.8°F
Miami Beach 77.8°F 75.9°F
Oahu 77.3°F 77.2°F
Islamorada 77.0°F 73.4°F
Key Largo 76.9°F 73.1°F
Key West 76.4°F 72.6°F
Miami 76.1°F 73.0°F
Everglades 74.2°F 69.7°F
Marco Island 72.1°F 68.0°F
Naples 71.7°F 67.7°F
Cape Coral 71.5°F 67.8°F
South Padre Island 71.4°F 71.9°F
Sanibel Island 71.1°F 67.1°F
Siesta Key 69.5°F 65.6°F
Cocoa Beach 69.5°F 66.6°F

Best time for vacation in Lake Geneva

Sunniest months:
September 15 days
October 13 days
August 13 days
Warmest months:
July 79.0 °F
August 78.5 °F
June 75.8 °F
Warmest sea temp:
August 51.0 °F
October 46.1 °F
July 43.5 °F
Coldest months:
January 26.9 °F
February 29.8 °F
December 34.5 °F
Rainiest months:
April 3 days
May 3 days
June 2 days
Windiest months:
March 11.2 mph
April 10.9 mph
November 10.9 mph

Lake Geneva on a weather map

Lake Geneva
+39°F
NE 8 mph
Feels like: +36°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+75°F
+75°F
+54°F
+57°F
+72°F
+77°F
+70°F
+32°F
+59°F
+54°F
+63°F
+66°F
+70°F
+41°F
24 Hours Forecast
Lake Geneva
Local time: 01:37
December 23, tuesday
0300
39°F
NE
8 mph
0600
39°F
E
11 mph
0900
34°F
E
10 mph
1200
36°F
SE
11 mph
1500
36°F
E
11 mph
1800
34°F
SE
9 mph
2100
30°F
SE
9 mph
December 24, wednesday
0000
28°F
S
7 mph
Units of measurement: °C / °F