World Resorts Canada Niagara-on-the-Lake Weather

Niagara-on-the-Lake sea water temperature

Current sea water temperature:
+59.0°F
Minimum sea water temperature in June: 72.3°F
Maximum sea water temperature in June: 50.9°F
Average sea water temperature in June: 62.2°F

Sea water temperature for the last 10 days:

June 6 59.0°F May 31 55.2°F
June 5 59.0°F May 30 52.9°F
June 4 59.2°F May 29 50.2°F
June 3 57.2°F May 28 48.6°F
June 1 56.7°F May 27 48.0°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 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
+73°F
E 9 mph
Feels like: +73°F
Precip.: 1%
Places in Canada:
Name
°F
+45°F
+61°F
+57°F
+81°F
+52°F
+73°F
+63°F
+68°F
+66°F
+45°F
+66°F
+72°F
+54°F
24 Hours Forecast
Niagara-on-the-Lake
Local time: 20:43
June 06, saturday
2100
73°F
E
9 mph
June 07, sunday
0000
66°F
E
9 mph
0300
63°F
E
8 mph
0600
59°F
SE
7 mph
0900
59°F
SE
7 mph
1200
63°F
SE
6 mph
1500
66°F
SW
3 mph
1800
68°F
S
2 mph
Units of measurement: °C / °F