Measurements:
°C
°F
Niagara Falls
52°F
NE 11 mph
Feels like: 48°F
Precip: 0%
World Resorts Canada Niagara Falls Weather

Niagara Falls Sea Water Temperature

Current Sea Water Temperature:
+31.8°F
Maximum Sea Water Temperature in March: 35.0°F
Minimum Sea Water Temperature in March: 31.6°F
Average water temperature in March: 32.1°F

Sea Water Temperature for the Last 10 Days:

March 09 31.8°F March 04 31.8°F
March 08 31.8°F March 03 31.8°F
March 07 31.8°F March 02 32.0°F
March 06 31.8°F March 01 32.0°F
March 05 31.8°F February 28 32.0°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 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 26.6 °F
February 27.6 °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
December 11 mph
February 11 mph

Niagara Falls on the Weather Map

Canada Resorts:
NAME
Halifax +40
Kingston +42
Moncton +40
Montreal +46
Niagara Falls +52
Ottawa +44
Prince Edward Island +38
Quebec +38
Saint John +36
St. John's +32
Sydney +34
Toronto +50
Vancouver +34
Victoria +34
Winnipeg 0
24 Hours Weather Forecast
Niagara Falls
Local time: 22:35
10 mar, tuesday
0000 52°F
NE
11 mph
0300 48°F
NE
9 mph
0600 48°F
N
7 mph
0900 50°F
NE
7 mph
1200 54°F
NE
8 mph
1500 54°F
E
8 mph
1800 48°F
S
5 mph
2100 42°F
SW
9 mph