ClimateForecastNovemberDecember >>

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

Data from: Buffalo, the United States of America (42 KM, 26 Miles).

Daily hours of sunshine

Data from: Buffalo, the United States of America (42 KM, 26 Miles).

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:
  • Which is the warmest month in Saint Catharines?
    July has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Saint Catharines?
    The coldest month is February with an average maximum temperature of 1°C.
  • Which is the wettest month in Saint Catharines?
    April tops the wettest month list with 105 mm of rainfall.
  • Which is the driest month in Saint Catharines?
    February is the driest month with 73 mm of precipitation.
  • Which is the sunniest month in Saint Catharines?
    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.

    Forecast for Saint Catharines

    Mon   Nov 25
    9°C | -1°C
    E 14 km/h
    1.3 mm
    broken clouds and slight rain

    broken clouds and slight rain

    Tue   Nov 26
    9°C | 1°C
    W 36 km/h
    6.5 mm
    broken clouds and slight rain

    broken clouds and slight rain

    Wed   Nov 27
    5°C | -1°C
    SW 22 km/h
    1.6 mm
    broken clouds and no rain

    broken clouds and no rain