Weather in Niagara-on-the-Lake: August
 |
Average day temperature: | 77.0°F |
| Average night temperature: | 66.4°F | |
 |
Sea water temperature: | 74.1°F |
 |
Number of sunny days: | 12 days |
| Day length: | 13.2 - 14.5 hours | |
 |
Number of rainy days: | 2 days |
| Precipitation totals: | 1.0 in. | |
| more information | ||
forecast
| Niagara-on-the-Lake |
temperature
| Niagara-on-the-Lake |
Air temperature in August, °F
The highest day temperature during August of 2025 was 94°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during August were 79.8°F and 62.9°F.
Sea water temperature in Niagara-on-the-Lake in August, °F
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.
Number of sunny, partly cloudy and cloudy days in August is almost equal.
Precipitation total in August, in.
Precipitation total value in Niagara-on-the-Lake in August is 1.0 in. Other months of the year show relatively similar values.
The average wind speed value in August is 7.5 mph It makes August one of the least windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.4.
Best time for vacation in Niagara-on-the-Lake
Niagara-on-the-Lake on a weather map
14 mph
14 mph
16 mph
17 mph
17 mph
15 mph
13 mph
14 mph
