The best times to visit Thetford Mines for ideal weather are
June 4th 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.
Thetford Mines Travel Guide
Other Thetford Mines Travel Info
Weather in Thetford Mines
Temperature
Average temperatures in Thetford Mines 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 19th 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 Thetford Mines, 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 77.1°F (25.1°C) with temperatures rarely dropping below 55.7°F (13.2°C) at night.
Thetford Mines Temperatures (Fahrenheit)
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Thetford Mines Temperatures (Celsius)
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“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.
Thetford Mines Perceived Temperature (F)
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Thetford Mines Perceived Temperature (C)
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Average Thetford Mines 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 | 20.8 | 11.4 | 2.1 |
| Feb | 23.1 | 13.4 | 4 |
| Mar | 34.3 | 23.7 | 14 |
| Apr | 50.2 | 38.6 | 28.5 |
| May | 65 | 52.4 | 40.8 |
| Jun | 70.8 | 59.7 | 49.4 |
| Jul | 76 | 64.9 | 54.9 |
| Aug | 73.7 | 62.7 | 52.8 |
| Sep | 67.2 | 55.7 | 45.9 |
| Oct | 53.1 | 43.4 | 35 |
| Nov | 40.6 | 31.6 | 23.9 |
| Dec | 27.2 | 19.3 | 11.7 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | -6.2 | -11.4 | -16.6 |
| Feb | -4.9 | -10.3 | -15.6 |
| Mar | 1.3 | -4.6 | -10 |
| Apr | 10.1 | 3.7 | -1.9 |
| May | 18.3 | 11.3 | 4.9 |
| Jun | 21.6 | 15.4 | 9.7 |
| Jul | 24.4 | 18.3 | 12.7 |
| Aug | 23.2 | 17.1 | 11.6 |
| Sep | 19.6 | 13.2 | 7.7 |
| Oct | 11.7 | 6.3 | 1.7 |
| Nov | 4.8 | -0.2 | -4.5 |
| Dec | -2.7 | -7.1 | -11.3 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Thetford Mines 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 late January and early February. For example, on the week of January 29th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late June with an average of 3 days of significant precipitation the week of June 25th.
When can you find snow in Thetford Mines? Weather stations report very large amounts of snow likely to be deepest around March, especially close to mid March. The best time to ski (if at all) in Thetford Mines is often around around March 12th 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 Thetford Mines.
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Snow on the Ground
The graph below shows the average snow on the ground in Thetford Mines (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 21% | 10.5 | 2.8 |
| Feb | 19% | 14.8 | 2.3 |
| Mar | 23% | 22.4 | 2.8 |
| Apr | 29% | 15.4 | 3.5 |
| May | 33% | 0.4 | 5.7 |
| Jun | 32% | 0.4 | 5.2 |
| Jul | 29% | 0 | 4.3 |
| Aug | 31% | 0.4 | 4.9 |
| Sep | 27% | 1.1 | 4.5 |
| Oct | 31% | 0.8 | 4.9 |
| Nov | 23% | 1.8 | 3.1 |
| Dec | 33% | 7.4 | 4 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 21 | 26.7 | 7.1 |
| Feb | 19 | 37.6 | 5.8 |
| Mar | 23 | 56.9 | 7.1 |
| Apr | 29 | 39.1 | 8.9 |
| May | 33 | 1 | 14.5 |
| Jun | 32 | 1 | 13.2 |
| Jul | 29 | 0 | 10.9 |
| Aug | 31 | 1 | 12.4 |
| Sep | 27 | 2.8 | 11.4 |
| Oct | 31 | 2 | 12.4 |
| Nov | 23 | 4.6 | 7.9 |
| Dec | 33 | 18.8 | 10.2 |
Humidity and Wind
Thetford Mines has some very humid months, with other comfortably humid months. The least humid month is April (56.6% relative humidity), and the most humid month is December (80.8%).
Wind in Thetford Mines is usually calm. The windiest month is April, followed by March and February. April’s average wind speed of around 7.2 knots (8.3 MPH or 13.4 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 12.7 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Thetford Mines.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 | 6.9 | Light breeze | 11.9 | Significant breeze |
| Feb | 7 | Gentle breeze | 11.7 | Significant breeze |
| Mar | 7.2 | Gentle breeze | 12 | Significant breeze |
| Apr | 7.2 | Gentle breeze | 12.2 | Significant breeze |
| May | 6.5 | Light breeze | 11.1 | Significant breeze |
| Jun | 5.6 | Light breeze | 9.8 | Gentle breeze |
| Jul | 5.4 | Light breeze | 9.7 | Significant breeze |
| Aug | 5.2 | Light breeze | 9.4 | Gentle breeze |
| Sep | 5.5 | Light breeze | 9.8 | Significant breeze |
| Oct | 6.3 | Light breeze | 10.7 | Gentle breeze |
| Nov | 6.4 | Light breeze | 10.9 | Significant breeze |
| Dec | 6.5 | Light breeze | 11.4 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 73.2% |
| Feb | 71% |
| Mar | 59.3% |
| Apr | 56.6% |
| May | 59.4% |
| Jun | 68.1% |
| Jul | 69.6% |
| Aug | 73.5% |
| Sep | 73.2% |
| Oct | 73.8% |
| Nov | 71% |
| Dec | 80.8% |
Is it Safe to Travel to Thetford Mines?
#N/A
The Busiest and Least Crowded Months
The busiest month for tourism in Thetford Mines, 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 Thetford Mines 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
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Overall Thetford Mines Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 68.1°F (20.1°C) and 25.7°F (-3.5°C) with far warmer temperatures in the later months. Rain is somewhat common with 7 to 10 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 comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with 9 to 10 days of precipitation per month. June – August is the busiest season for tourism in Thetford Mines, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 72.1°F (22.3°C) and 33.7°F (0.9°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 7 to 10 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 Thetford Mines to be enjoyable for warm weather travelers. The average high during this season is between 31.1°F (-0.5°C) and 17.1°F (-8.3°C). On average, it rains or snows a fair amount: 5 to 10 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› Canada › Thetford Mines, QC, Canada