World Resorts USA Niagara Falls Weather

Niagara Falls Sea Temperature in December

Average sea water temperature in December:
+41.3°F
Minimum sea water temperature in December: 47.8°F
Maximum sea water temperature in December: 36.0°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 39.8°F. The highest and lowest sea temperatures during the month were 43.3°F and 36.0°F.

Monthly sea water temperature in Niagara Falls, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.4°F 78.3°F
Fort Lauderdale 79.1°F 77.6°F
Honolulu 78.8°F 78.3°F
Hawaii 78.6°F 78.3°F
Kauai 78.5°F 76.0°F
Maui 78.2°F 77.8°F
Miami Beach 77.9°F 75.9°F
Oahu 77.4°F 77.2°F
Islamorada 77.1°F 73.4°F
Key Largo 77.0°F 73.1°F
Key West 76.6°F 72.6°F
Miami 76.2°F 73.0°F
Everglades 74.2°F 69.7°F
Naples 71.8°F 67.7°F
South Padre Island 71.6°F 71.9°F
Cape Coral 71.6°F 67.8°F
Sanibel Island 71.3°F 67.1°F
Siesta Key 69.8°F 65.6°F
Sarasota 69.6°F 65.6°F
Cocoa Beach 69.5°F 66.6°F

Best time for vacation in Niagara Falls

Sunniest months:
September 14 days
August 12 days
July 12 days
Warmest months:
July 78.6 °F
August 77.3 °F
June 73.0 °F
Warmest sea temp:
August 72.7 °F
July 71.3 °F
September 69.4 °F
Coldest months:
January 29.8 °F
February 30.4 °F
December 37.1 °F
Rainiest months:
July 3 days
April 3 days
October 2 days
Windiest months:
November 11.3 mph
February 10.9 mph
March 10.7 mph

Niagara Falls on a weather map

Niagara Falls
+37°F
NE 20 mph
Feels like: +30°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+77°F
+77°F
+64°F
+66°F
+77°F
+77°F
+72°F
+36°F
+63°F
+57°F
+77°F
+75°F
+75°F
+34°F
24 Hours Forecast
Niagara Falls
Local time: 19:28
December 20, saturday
2100
36°F
NE
24 mph
December 21, sunday
0000
36°F
NE
21 mph
0300
34°F
E
23 mph
0600
30°F
E
22 mph
0900
30°F
E
23 mph
1200
30°F
E
20 mph
1500
28°F
E
20 mph
1800
27°F
E
21 mph
Units of measurement: °C / °F