Measurements:
°C
°F
Niagara Falls
72°F
N 9 mph
Feels like: 72°F
Precip: 10%
World Resorts USA Niagara Falls Weather August Weather in Niagara Falls

Niagara Falls Weather: August

Average Day Temperature: 80.3°F
Average Night Temperature: 67.5°F
Sea Water Temperature: 75.0°F
Number of Sunny Days: 13 days
Sunshine Hours: 13.2 - 14.5 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.4 in

Air Temperature in August, °F

Select Year: 2026 2025 2024

The highest day temperature in August 2026 was 96°F. The lowest night temperature was 54°F. The average values for day and night temperatures during August were 80.6°F и 64.8°F respectivly.

Niagara Falls Water Sea Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Niagara Falls was 73.9°F. The maximum and minimum values were 69.4°F and 77.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Niagara Falls is 1.4 in. It makes august one of the most rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 7.0 mph. It makes August the most windless month of the year for Niagara Falls.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Niagara Falls in August is 8.4 hours.

Best Time to Visit Niagara Falls
The most sunny months:
September 14 days
July 14 days
August 13 days
The most warm months:
July 82.8 °F
August 80.3 °F
June 76.3 °F
Warmest sea temperature:
August 75.0 °F
July 73.8 °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
August 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 +64
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +74
Maui +66
Miami +92
Myrtle Beach +88
New York +72
Panama City Beach +90
San Diego +72
San Francisco +60
Santa Monica +72
Sarasota +94
Washington +76
24 Hours Weather Forecast
Niagara Falls
Local time: 11:09
15 sep, tuesday
1200 72°F
N
9 mph
1500 78°F
NE
11 mph
1800 76°F
NE
7 mph
2100 74°F
N
9 mph
16 sep, wednesday
0000 74°F
NE
7 mph
0300 72°F
N
6 mph
0600 70°F
NE
5 mph
0900 70°F
E
4 mph