Measurements:
°C
°F
Niagara Falls
8°F
SE 11 mph
Feels like: -8°F
Precip: 100%
World Resorts USA Niagara Falls Weather

Niagara Falls Sea Water Temperature

Current Sea Water Temperature:
+32.4°F
Maximum Sea Water Temperature in January: 37.2°F
Minimum Sea Water Temperature in January: 32.4°F
Average water temperature in January: 34.3°F

Sea Water Temperature for the Last 10 Days:

January 29 32.4°F January 24 32.6°F
January 28 32.4°F January 23 32.8°F
January 27 32.4°F January 22 32.8°F
January 26 32.4°F January 21 33.0°F
January 25 32.6°F January 20 33.0°F

When is the Warmest Sea for Niagara Falls?

According to our data for the last three years for Niagara Falls the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Niagara Falls was 75.5°F. The maximum and minimum values were 70.4°F and 78.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Niagara Falls was 75.0°F. The maximum and minimum values were 67.2°F and 79.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Niagara Falls was 68.2°F. The maximum and minimum values were 64.2°F and 71.4°F respectively.

Best Time to Visit Niagara Falls
The most sunny months:
September 14 days
August 12 days
July 12 days
The most warm months:
July 81.8 °F
August 80.3 °F
June 75.6 °F
Warmest sea temperature:
August 75.2 °F
July 73.7 °F
September 71.5 °F
The most cold months:
January 27.0 °F
February 28.2 °F
December 34.4 °F
The most rainy months:
April 3 days
July 3 days
October 2 days
The most windy months:
November 11 mph
December 11 mph
February 11 mph

Niagara Falls on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
Niagara Falls
Local time: 10:55
29 jan, thursday
1200 8°F
SE
11 mph
1500 8°F
SE
12 mph
1800 6°F
SE
9 mph
2100 2°F
SE
9 mph
30 jan, friday
0000 0°F
SE
9 mph
0300 0°F
SE
6 mph
0600 0°F
SE
6 mph
0900 2°F
SE
6 mph