ClimateForecastDecemberJanuary >>

Orillia Climate by Month

The temperature in Orillia can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Visitors to Orillia can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 26°C in July, the warmest time of the year, to a very cold -3°C during cooler months like January. At night, temperatures typically average around -12°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Orillia is known for its substantial rain/snowfall, with annual precipitation reaching 1038 mm. Year-round, Orillia has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 103 mm, and the driest month, February, with 65 mm, is minimal.

The mean monthly precipitation over the year, including rain, hail and snow

The best time of year to visit Orillia 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:
  • When is winter in Orillia?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Orillia?
    July has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Orillia?
    The coldest month is January with an average maximum temperature of -3°C.
  • Which is the wettest month in Orillia?
    June tops the wettest month list with 103 mm of rainfall.
  • Which is the driest month in Orillia?
    February is the driest month with 65 mm of precipitation.

  • 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 Orillia

    Sat   Dec 14
    -1°C | -14°C
    E 22 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sun   Dec 15
    2°C | -4°C
    SE 22 km/h
    0.9 mm
    overcast and slight snow

    overcast and slight snow

    Mon   Dec 16
    7°C | 1°C
    SE 25 km/h
    9 mm
    overcast and heavy rain

    overcast and heavy rain