Measurements:
°C
°F
Niagara Falls
42°F
W 7 mph
Feels like: 36°F
Precip: 0%
World Resorts Canada Niagara Falls Weather

Niagara Falls Sea Water Temperature

Current Sea Water Temperature:
+33.2°F
Maximum Sea Water Temperature in January: 37.2°F
Minimum Sea Water Temperature in January: 32.4°F
Average water temperature in January: 34.4°F

Sea Water Temperature for the Last 10 Days:

January 10 33.2°F January 05 33.4°F
January 09 33.2°F January 04 33.2°F
January 08 33.4°F January 03 32.8°F
January 07 33.4°F January 02 32.6°F
January 06 33.4°F January 01 32.4°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 13 days
August 12 days
July 11 days
The most warm months:
July 81.1 °F
August 79.8 °F
June 74.8 °F
Warmest sea temperature:
August 75.2 °F
July 73.7 °F
September 71.5 °F
The most cold months:
January 27.4 °F
February 28.0 °F
December 34.2 °F
The most rainy months:
July 3 days
April 3 days
October 2 days
The most windy months:
November 12 mph
February 11 mph
December 11 mph

Niagara Falls on the Weather Map

Canada Resorts:
NAME
Halifax +38
Kingston +32
Montreal +34
Niagara Falls +42
Ottawa +30
Prince Edward Island +36
Quebec +28
Saint John +36
St. John's +34
Sydney +36
Toronto +36
Vancouver +48
Victoria +48
Winnipeg +14
Yellowknife -2
24 Hours Weather Forecast
Niagara Falls
Local time: 15:34
10 jan, saturday
1800 40°F
NW
9 mph
2100 36°F
NE
14 mph
11 jan, sunday
0000 34°F
NE
19 mph
0300 32°F
E
18 mph
0600 28°F
NE
15 mph
0900 28°F
E
19 mph
1200 28°F
E
20 mph
1500 28°F
E
21 mph