World Resorts USA Michigan City Weather

Michigan City Sea Temperature in December

Average sea water temperature in December:
+43.0°F
Minimum sea water temperature in December: 48.4°F
Maximum sea water temperature in December: 36.7°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 42.7°F. The highest and lowest sea temperatures during the month were 46.8°F and 37.2°F.

Monthly sea water temperature in Michigan City, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.3°F 78.3°F
West Palm Beach 79.1°F 78.4°F
Fort Lauderdale 78.8°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.3°F 76.0°F
Maui 78.1°F 77.8°F
Miami Beach 77.5°F 75.9°F
Oahu 77.1°F 77.2°F
Islamorada 76.6°F 73.4°F
Key Largo 76.5°F 73.1°F
Key West 76.0°F 72.6°F
Miami 75.8°F 73.0°F
Everglades 73.9°F 69.7°F
Marco Island 71.9°F 68.0°F
South Padre Island 71.6°F 71.9°F
Naples 71.5°F 67.7°F
Sanibel Island 71.0°F 67.1°F
Cocoa Beach 69.5°F 66.6°F
Siesta Key 69.3°F 65.6°F

Best time for vacation in Michigan City

Sunniest months:
September 17 days
August 16 days
June 14 days
Warmest months:
July 77.7 °F
August 77.3 °F
June 74.3 °F
Warmest sea temp:
August 74.2 °F
July 73.3 °F
September 70.2 °F
Coldest months:
January 29.5 °F
February 31.4 °F
December 36.4 °F
Rainiest months:
October 3 days
June 3 days
August 2 days
Windiest months:
November 12.3 mph
March 12.1 mph
December 11.8 mph

Michigan City on a weather map

Michigan City
+54°F
NE 21 mph
Feels like: +48°F
Precip.: 100%
Places in USA:
Name
°F
+39°F
+75°F
+75°F
+50°F
+61°F
+73°F
+73°F
+72°F
+34°F
+66°F
+48°F
+66°F
+66°F
+72°F
+45°F
24 Hours Forecast
Michigan City
Local time: 19:47
December 28, sunday
2100
54°F
NE
21 mph
December 29, monday
0000
39°F
E
30 mph
0300
27°F
E
32 mph
0600
23°F
E
36 mph
0900
23°F
E
35 mph
1200
23°F
E
35 mph
1500
23°F
SE
34 mph
1800
23°F
SE
30 mph
Units of measurement: °C / °F