Current Sea Water Temperature:
+34.2°F
| Maximum Sea Water Temperature in March: | 39.6°F |
| Minimum Sea Water Temperature in March: | 31.8°F |
| Average water temperature in March: | 35.3°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| March 09 | 34.2°F | March 04 | 32.0°F |
| March 08 | 32.4°F | March 03 | 33.2°F |
| March 07 | 32.4°F | March 02 | 33.4°F |
| March 06 | 32.2°F | March 01 | 33.6°F |
| March 05 | 31.8°F | February 28 | 33.8°F |
When is the Warmest Sea for Niagara-on-the-Lake?
According to our data for the last three years for Niagara-on-the-Lake the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Niagara-on-the-Lake was 77.5°F. The maximum and minimum values were 72.2°F and 80.8°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Niagara-on-the-Lake was 77.0°F. The maximum and minimum values were 69.0°F and 81.6°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Niagara-on-the-Lake was 69.8°F. The maximum and minimum values were 67.4°F and 72.2°F respectively.
Canada Resorts:
NAME
F°
| Halifax |  |
+42 |
| Kingston |  |
+44 |
| Moncton | |
+42 |
| Montreal | |
+50 |
| Niagara Falls | |
+56 |
| Ottawa | |
+46 |
| Prince Edward Island | |
+40 |
| Quebec | |
+42 |
| Saint John | |
+36 |
| St. John's | |
+32 |
| Sydney |  |
+36 |
| Toronto | |
+54 |
| Vancouver | |
+38 |
| Victoria | |
+40 |
| Winnipeg | |
0 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Niagara-on-the-Lake
Local time: 21:13
10 mar, tuesday
| 0000 |  |
54°F | NE 14 mph |
| 0300 | |
48°F | NE 12 mph |
| 0600 |  |
46°F | N 9 mph |
| 0900 | |
48°F | NE 9 mph |
| 1200 | |
52°F | NE 11 mph |
| 1500 | |
48°F | E 9 mph |
| 1800 | |
44°F | S 7 mph |
| 2100 | |
40°F | SW 14 mph |