St. Catharines Weather in August
What's the weather like in St. Catharines (Ontario) in August 2024?
The climate in St. Catharines during August can be summarized as warm, humid and reasonably dry.
August is in the summer in St. Catharines and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 25.8°C 78.4°F |
|---|---|
| Nightly temperature | 16.1°C 60.9°F |
| Average temperature | 20.9°C 69.6°F |
| Daily sunshine | 8.7 hrs |
| Avg rainfall | 78 mm 3.1 ins |
| Rainy days | 10 days |
| Sea temperature | 21.4°C 70.5°F |
| Humidity | 73% |
| Windspeed | 12.2kph 8 mph |
On average August is the 2nd wettest month of the year in St. Catharines with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 hours of sunshine per day.
August temperatures in St. Catharines
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in St. Catharines in August 2024.
Other monthly averages
Best places to visit in August
St. Catharines weather stats
| Hottest month: | July | 26.7°C 80.1°F |
|---|---|---|
| Driest month: | January | 50mm 2ins |
| Sunniest month: | July | 9.9hrs |
| Coldest month: | January | -0.7°C 30.7°F |
| Wettest month: | September | 84mm 3.3ins |
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