The best times to visit Saint Hyacinthe for ideal weather are

May 28th to September 16th

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



Other Saint Hyacinthe Travel Info

Weather in Saint Hyacinthe


Average temperatures in Saint Hyacinthe vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 28th 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 Saint Hyacinthe, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early July where highs are regularly around 80.6°F (27°C) with temperatures rarely dropping below 59°F (15°C) at night.

Saint Hyacinthe Temperatures (Fahrenheit)


Saint Hyacinthe Temperatures (Celsius)


“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.

Saint Hyacinthe Perceived Temperature (F)


Saint Hyacinthe Perceived Temperature (C)



Average Saint Hyacinthe 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 23.5 13.7 3.6
Feb 25.9 15.6 5.2
Mar 37.5 26.9 17.1
Apr 54.2 42.5 31.8
May 68.9 56.6 45
Jun 75.1 63.4 51.7
Jul 79.6 68.4 57.3
Aug 78.2 66.4 55.3
Sep 71.1 58.4 47.8
Oct 57.2 45.9 36.5
Nov 45.7 35.6 27.4
Dec 31 23.1 15.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -4.7 -10.2 -15.8
Feb -3.4 -9.1 -14.9
Mar 3.1 -2.8 -8.3
Apr 12.3 5.8 -0.1
May 20.5 13.7 7.2
Jun 23.9 17.4 10.9
Jul 26.4 20.2 14.1
Aug 25.7 19.1 12.9
Sep 21.7 14.7 8.8
Oct 14 7.7 2.5
Nov 7.6 2 -2.6
Dec -0.6 -4.9 -9.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Saint Hyacinthe are February, January, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early February. For example, on the week of February 5th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid October with an average of 3 days of significant precipitation the week of October 15th.

When can you find snow in Saint Hyacinthe? Weather stations report very large amounts of snow likely to be deepest around March, especially close to early June. The best time to ski (if at all) in Saint Hyacinthe is often around around December 17th 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 Saint Hyacinthe.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 13% 6.9 2.1
Feb 12% 8.9 1.4
Mar 17% 11.6 1.7
Apr 21% 3.4 2.5
May 29% 0.8 3.8
Jun 27% 10.5 4.6
Jul 23% 0 3
Aug 22% 3.2 4.5
Sep 22% 0.4 3.7
Oct 27% 1.7 3.8
Nov 19% 0.6 2.3
Dec 28% 5.1 3.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 13 17.5 5.3
Feb 12 22.6 3.6
Mar 17 29.5 4.3
Apr 21 8.6 6.4
May 29 2 9.7
Jun 27 26.7 11.7
Jul 23 0 7.6
Aug 22 8.1 11.4
Sep 22 1 9.4
Oct 27 4.3 9.7
Nov 19 1.5 5.8
Dec 28 13 8.6


Humidity and Wind

Saint Hyacinthe has some very humid months, with other comfortably humid months. The least humid month is April (59.2% relative humidity), and the most humid month is December (78.6%).

Wind in Saint Hyacinthe is usually moderate. The windiest month is April, followed by February and January. April’s average wind speed of around 8.6 knots (9.9 MPH or 16 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 late February and early March where average top sustained speeds reach 13.5 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

Avg. Relative Humidity


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

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 7.9 Gentle breeze 12.4 Significant breeze
Feb 7.9 Gentle breeze 12.3 Significant breeze
Mar 7.9 Gentle breeze 12.2 Significant breeze
Apr 8.6 Gentle breeze 13.1 Significant breeze
May 7.5 Gentle breeze 12.2 Significant breeze
Jun 6.3 Light breeze 10.3 Gentle breeze
Jul 5.8 Light breeze 9.5 Significant breeze
Aug 5.4 Light breeze 9.1 Gentle breeze
Sep 5.6 Light breeze 9.6 Significant breeze
Oct 6.7 Light breeze 11.1 Significant breeze
Nov 7.6 Gentle breeze 11.9 Significant breeze
Dec 7.3 Gentle breeze 11.5 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 71%
Feb 69.3%
Mar 63.8%
Apr 59.2%
May 63.6%
Jun 68.8%
Jul 71.9%
Aug 76.1%
Sep 77%
Oct 74.3%
Nov 71%
Dec 78.6%


Is it Safe to Travel to Saint Hyacinthe?

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 Saint Hyacinthe, QC, 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 Saint Hyacinthe 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

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 somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 47.2 in December means 47.2% of the tourists vs. July.



Overall Saint Hyacinthe Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 72.9°F (22.7°C) and 28.4°F (-2°C) with far warmer temperatures in the later months. Rain is somewhat common with 5 to 9 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 7 to 8 days of precipitation per month. June – August is the busiest season for tourism in Saint Hyacinthe, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 76°F (24.4°C) and 39.4°F (4.1°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Saint Hyacinthe to be enjoyable for warm weather travelers. The average high during this season is between 36°F (2.2°C) and 19.6°F (-6.9°C). On average, it rains or snows a fair amount: 3 to 9 times per month. These times of year are fairly slow with tourists.


Best Times to TravelCanada › Saint Hyacinthe, QC, Canada