The best times to visit Orillia for ideal weather are

March 12th to April 8th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Orillia Travel Info

Weather in Orillia

Temperature

Average temperatures in Orillia vary drastically. Considering humidity, temperatures feel cold all year with a chance of rain or snow throughout most of the year. The area is far less temperate than some — in the 2nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Orillia, the hottest months are July, August, and then September. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 50.8°F (10.4°C) with temperatures rarely dropping below 33.7°F (0.9°C) at night.

Orillia Temperatures (Fahrenheit)

Key
High
Average
Low

Orillia Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Orillia Perceived Temperature (F)

Key
High
Average
Low

Orillia Perceived Temperature (C)

Key
High
Average
Low

 

Average Orillia Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 2.7 -3.1 -8.8
Feb 2.4 -3.5 -9.4
Mar 10.4 3.9 -1.9
Apr 20.6 13.5 7.3
May 37.4 28.2 19.6
Jun 39.7 32.2 25
Jul 49.2 40.7 32.7
Aug 42.6 34.8 27.6
Sep 41.5 33 25.3
Oct 34 26.6 20.3
Nov 21.3 15 9.3
Dec 10.6 6.1 1.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -16.3 -19.5 -22.7
Feb -16.4 -19.7 -23
Mar -12 -15.6 -18.8
Apr -6.3 -10.3 -13.7
May 3 -2.1 -6.9
Jun 4.3 0.1 -3.9
Jul 9.6 4.8 0.4
Aug 5.9 1.6 -2.4
Sep 5.3 0.6 -3.7
Oct 1.1 -3 -6.5
Nov -5.9 -9.4 -12.6
Dec -11.9 -14.4 -16.9

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Orillia are March, August, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid March. For example, on the week of March 19th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late November to early December with an average of 3 days of significant precipitation the week of November 26th.

When can you find snow in Orillia? Weather stations report very large amounts of snow likely to be deepest around February, especially close to mid February. The best time to ski (if at all) in Orillia is often around around December 3rd when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Orillia.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Orillia (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 26% 9.9 2.4
Feb 21% 13.6 2.1
Mar 16% 12.1 2
Apr 22% 4.6 3
May 23% 0 2.9
Jun 24% 0 4.1
Jul 21% 0 3.4
Aug 19% 0 3.1
Sep 22% 0 3.7
Oct 29% 1.5 3.5
Nov 28% 3.3 2.8
Dec 30% 8.2 3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 26 25.1 6.1
Feb 21 34.5 5.3
Mar 16 30.7 5.1
Apr 22 11.7 7.6
May 23 0 7.4
Jun 24 0 10.4
Jul 21 0 8.6
Aug 19 0 7.9
Sep 22 0 9.4
Oct 29 3.8 8.9
Nov 28 8.4 7.1
Dec 30 20.8 7.6

 

Humidity and Wind

Orillia has some extremely humid months, and above average humidity throughout the year. The least humid month is May (62.8% relative humidity), and the most humid month is December (81.7%).

Wind in Orillia is usually calm. The windiest month is April, followed by March and February. April’s average wind speed of around 8.1 knots (9.3 MPH or 15 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early April where average top sustained speeds reach 15 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Orillia.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 6.5 Light breeze 12.2 Significant breeze
Feb 7.1 Gentle breeze 13.1 Significant breeze
Mar 7.5 Gentle breeze 13.5 Significant breeze
Apr 8.1 Gentle breeze 14.4 Significant breeze
May 6.7 Light breeze 12.4 Significant breeze
Jun 5.9 Light breeze 11.4 Significant breeze
Jul 5.4 Light breeze 10.9 Significant breeze
Aug 5.2 Light breeze 10.4 Gentle breeze
Sep 5.1 Light breeze 10.2 Significant breeze
Oct 6.3 Light breeze 11.5 Significant breeze
Nov 6.4 Light breeze 11.6 Significant breeze
Dec 6.8 Light breeze 12 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 77.1%
Feb 73.9%
Mar 66.6%
Apr 63.3%
May 62.8%
Jun 70.9%
Jul 68.8%
Aug 73.5%
Sep 75.6%
Oct 75.8%
Nov 76.9%
Dec 81.7%

 

Is it Safe to Travel to Orillia?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Canada; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 07, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Orillia, ON, Canada is July, followed by August and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Orillia in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 33.7 in December means 33.7% of the tourists vs. July.

 

 

Overall Orillia Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel very cold. Highs range from 41.8°F (5.4°C) and 3°F (-16.1°C) with far warmer temperatures in the later months. Rain is somewhat common with 5 to 7 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have freezing weather with high temperatures that are still jacket weather. These months see moderate precipitation with 6 to 7 days of precipitation per month. June – August is the busiest season for tourism in Orillia, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 42.4°F (5.8°C) and 12.7°F (-10.7°C), which will feel very chilly given the humidity and wind. It rains or snows a significant amount: 6 to 9 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.

Winter (December through February)

Weather is far too cold this time of year in Orillia to be enjoyable for warm weather travelers. The average high during this season is between 11.4°F (-11.4°C) and 0.6°F (-17.4°C). On average, it rains or snows a fair amount: 6 to 9 times per month. These times of year are fairly slow with tourists.

 

Best Times to TravelCanada › Orillia, ON, Canada