Measurements:
°C
°F
Niagara Falls
86°F
NE 10 mph
Feels like: 84°F
Precip: 0%
World Resorts USA Niagara Falls Weather

Niagara Falls Sea Water Temperature

Current Sea Water Temperature:
+57.0°F
Maximum Sea Water Temperature in June: 76.0°F
Minimum Sea Water Temperature in June: 50.0°F
Average water temperature in June: 63.6°F

Sea Water Temperature for the Last 10 Days:

June 04 57.0°F May 29 55.4°F
June 03 54.6°F May 28 55.2°F
June 01 53.2°F May 27 54.6°F
May 31 53.4°F May 26 58.2°F
May 30 54.4°F May 25 53.0°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
July 12 days
August 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 26.7 °F
February 27.8 °F
December 34.4 °F
The most rainy months:
July 3 days
October 2 days
April 2 days
The most windy months:
November 11 mph
December 11 mph
January 11 mph

Niagara Falls on the Weather Map

USA Resorts:
NAME
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +92
Los Angeles +70
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Niagara Falls
Local time: 12:54
04 jun, thursday
1500 92°F
NE
11 mph
1800 86°F
NE
11 mph
2100 74°F
NE
9 mph
05 jun, friday
0000 64°F
NE
7 mph
0300 62°F
NE
7 mph
0600 62°F
NE
8 mph
0900 68°F
NE
12 mph
1200 74°F
NE
14 mph