Saint Catharines Climate by Month
The climate in Saint Catharines is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to very cold in the cooler months.
It is also known for its large amounts of rain/snowfall.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
In Saint Catharines, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 26°C in July to a very cold 1°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to -6°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Saint Catharines experiences significant rain/snowfall throughout the year, averaging 1086 mm of precipitation annually. Precipitation levels in Saint Catharines remain relatively steady throughout the year. April has the most rain, with 105 mm over 12 days. In February, this drops slightly to 73 mm, making the city's climate fairly predictable.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Saint Catharines serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.2 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Saint Catharines.
Relative humidity over the year
The best time of year to visit Saint Catharines in Canada
During the months of June, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 26°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 1°C.
April tops the wettest month list with 105 mm of rainfall.
February is the driest month with 73 mm of precipitation.
July is the sunniest month with an average of 307 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.