World Resorts Canada Niagara-on-the-Lake Weather

Niagara-on-the-Lake sea water temperature

Current sea water temperature:
+71.4°F
Minimum sea water temperature in August: 78.1°F
Maximum sea water temperature in August: 67.6°F
Average sea water temperature in August: 74.0°F

Sea water temperature for the last 10 days:

August 26 71.4°F August 21 74.3°F
August 25 72.9°F August 20 74.5°F
August 24 74.3°F August 19 74.8°F
August 23 73.4°F August 18 73.4°F
August 22 73.8°F August 17 73.8°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 73.5°F. The highest and lowest sea temperatures during the month were 75.7°F and 71.4°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 72.8°F. The highest and lowest sea temperatures during the month were 74.3°F and 69.6°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
July 14 days
June 12 days
Warmest months:
July 78.9 °F
August 77.0 °F
June 73.3 °F
Warmest sea temp:
August 74.0 °F
July 73.2 °F
September 69.6 °F
Coldest months:
January 29.2 °F
February 30.1 °F
December 35.9 °F
Rainiest months:
July 3 days
October 2 days
April 2 days
Windiest months:
January 11.9 mph
February 11.9 mph
December 11.8 mph

Niagara-on-the-Lake on a weather map

Niagara-on-the-Lake
+77°F
N 6 mph
Feels like: +79°F
Precip.: 12%
Places in Canada:
Name
°F
+72°F
+63°F
+63°F
+72°F
+73°F
+63°F
+70°F
+75°F
+77°F
+73°F
+59°F
+72°F
+70°F
+72°F
24 Hours Forecast
Niagara-on-the-Lake
Local time: 12:58
August 26, wednesday
1500
81°F
N
10 mph
1800
75°F
N
9 mph
2100
72°F
N
8 mph
August 27, thursday
0000
70°F
N
8 mph
0300
70°F
N
14 mph
0600
68°F
NE
19 mph
0900
70°F
NE
17 mph
1200
72°F
E
10 mph
Units of measurement: °C / °F