World Resorts Canada Niagara-on-the-Lake Weather

Niagara-on-the-Lake sea water temperature

Current sea water temperature:
+37.6°F
Minimum sea water temperature in January: 41.4°F
Maximum sea water temperature in January: 35.2°F
Average sea water temperature in January: 38.3°F

Sea water temperature for the last 10 days:

January 12 37.6°F January 7 37.6°F
January 11 37.0°F January 6 38.1°F
January 10 37.2°F January 5 38.1°F
January 9 38.5°F January 4 38.1°F
January 8 37.6°F January 3 38.1°F

When is the warmest sea in Niagara-on-the-Lake?

Based on the data about daily sea water temperature for the last three years the warmest sea in Niagara-on-the-Lake was noticed in August, July and September.

Monthly Sea Temperatures in Niagara-on-the-Lake, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 74.7°F. The highest and lowest sea temperatures during the month were 77.7°F and 70.0°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 74.3°F. The highest and lowest sea temperatures during the month were 78.4°F and 67.1°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 70.0°F and 65.7°F.

Best time for vacation in Niagara-on-the-Lake

Sunniest months:
September 14 days
August 12 days
July 12 days
Warmest months:
July 78.2 °F
August 77.0 °F
June 72.6 °F
Warmest sea temp:
August 74.1 °F
July 73.2 °F
September 69.6 °F
Coldest months:
January 30.0 °F
February 30.4 °F
December 35.9 °F
Rainiest months:
April 3 days
July 3 days
October 2 days
Windiest months:
February 11.9 mph
December 11.8 mph
November 11.8 mph

Niagara-on-the-Lake on a weather map

Niagara-on-the-Lake
+27°F
NE 19 mph
Feels like: +16°F
Precip.: 0%
Places in Canada:
Name
°F
+48°F
+50°F
+21°F
+30°F
+3°F
+9°F
+28°F
+14°F
+27°F
+16°F
+27°F
+37°F
+32°F
+28°F
24 Hours Forecast
Niagara-on-the-Lake
Local time: 09:09
January 12, monday
1200
28°F
NE
21 mph
1500
30°F
NE
22 mph
1800
32°F
NE
17 mph
2100
34°F
NE
17 mph
January 13, tuesday
0000
34°F
NE
16 mph
0300
32°F
NE
14 mph
0600
32°F
NE
11 mph
0900
34°F
NE
14 mph
Units of measurement: °C / °F