Saint Catharines
Canada
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Saint Catharines, Canada

The wettest month (with the highest rainfall) is September (90.6mm).
The driest month (with the lowest rainfall) is February (28.9mm).

The month with the highest number of rainy days is April (12.4 days).
Months with the lowest number of rainy days are January and February (5.8 days).

The month with the highest number of snowfall days is January (12.3 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

The best month for swimming (with the highest average sea temperature) is August (23.2°C).
The coldest month (with the lowest average sea temperature) is February (1.7°C).

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