Average Weather in Mont-Tremblant Canada

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In Mont-Tremblant, the summers are long, comfortable, and partly cloudy and the winters are frigid, snowy, and mostly cloudy. Over the course of the year, the temperature typically varies from -4°F to 75°F and is rarely below -25°F or above 83°F.

The warm season lasts for 4.0 months, from May 19 to September 18, with an average daily high temperature above 64°F. The hottest day of the year is July 20, with an average high of 75°F and low of 50°F.

The cold season lasts for 3.2 months, from December 2 to March 8, with an average daily high temperature below 31°F. The coldest day of the year is January 29, with an average low of -4°F and high of 20°F.

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

In Mont-Tremblant, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Mont-Tremblant begins around May 24 and lasts for 5.1 months, ending around October 26. On August 10, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 62% of the time, and overcast or mostly cloudy 38% of the time.

The cloudier part of the year begins around October 26 and lasts for 6.9 months, ending around May 24. On January 5, the cloudiest day of the year, the sky is overcast or mostly cloudy 74% of the time, and clear, mostly clear, or partly cloudy 26% of the time.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Mont-Tremblant varies throughout the year.

The wetter season lasts 8.2 months, from April 9 to December 15, with a greater than 31% chance of a given day being a wet day. The chance of a wet day peaks at 39% on July 3.

The drier season lasts 3.8 months, from December 15 to April 9. The smallest chance of a wet day is 23% on February 11.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation in Mont-Tremblant changes throughout the year.

Rain alone is the most common for 7.9 months, from March 28 to November 22. The highest chance of a day with rain alone is 39% on July 3.

Snow alone is the most common for 4.1 months, from November 22 to March 28. The highest chance of a day with snow alone is 22% on January 1.

Rainfall

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Mont-Tremblant experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 10 months, from February 27 to December 29, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around June 26, with an average total accumulation of 3.2 inches.

The rainless period of the year lasts for 2.0 months, from December 29 to February 27. The least rain falls around February 6, with an average total accumulation of 0.4 inches.

Snowfall

We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Mont-Tremblant experiences significant seasonal variation in monthly liquid-equivalent snowfall.

The snowy period of the year lasts for 7.3 months, from October 5 to May 14, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around December 23, with an average total liquid-equivalent accumulation of 1.8 inches.

The snowless period of the year lasts for 4.7 months, from May 14 to October 5. The least snow falls around July 7, with an average total liquid-equivalent accumulation of 0.0 inches.

The length of the day in Mont-Tremblant varies significantly over the course of the year. In 2017, the shortest day is December 21, with 8 hours, 37 minutes of daylight; the longest day is June 21, with 15 hours, 47 minutes of daylight.

The earliest sunrise is at 5:06 AM on June 15, and the latest sunrise is 2 hours, 38 minutes later at 7:44 AM on November 4. The earliest sunset is at 4:12 PM on December 10, and the latest sunset is 4 hours, 42 minutes later at 8:54 PM on June 25.

Daylight saving time (DST) is observed in Mont-Tremblant during 2017, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

Mont-Tremblant experiences some seasonal variation in the perceived humidity.

The muggier period of the year lasts for 3.2 months, from June 9 to September 15, during which time the comfort level is muggy, oppressive, or miserable at least 3% of the time. The muggiest day of the year is July 20, with muggy conditions 11% of the time.

The least muggy day of the year is November 30, when muggy conditions are essentially unheard of.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Mont-Tremblant experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 5.4 months, from November 18 to April 30, with average wind speeds of more than 3.1 miles per hour. The windiest day of the year is February 19, with an average hourly wind speed of 4.0 miles per hour.

The calmer time of year lasts for 6.6 months, from April 30 to November 18. The calmest day of the year is July 31, with an average hourly wind speed of 2.1 miles per hour.

The predominant average hourly wind direction in Mont-Tremblant varies throughout the year.

The wind is most often from the north for 1.7 months, from March 10 to May 2, with a peak percentage of 32% on March 10. The wind is most often from the west for 10 months, from May 2 to March 10, with a peak percentage of 38% on January 1.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.7 months, from May 2 to August 24, with an average daily incident shortwave energy per square meter above 5.4 kWh. The brightest day of the year is June 30, with an average of 6.5 kWh.

The darker period of the year lasts for 3.5 months, from October 26 to February 11, with an average daily incident shortwave energy per square meter below 2.2 kWh. The darkest day of the year is December 17, with an average of 1.1 kWh.

For the purposes of this report, the geographical coordinates of Mont-Tremblant are 46.213 deg latitude, -74.584 deg longitude, and 1,102 ft elevation.

The topography within 2 miles of Mont-Tremblant contains large variations in elevation, with a maximum elevation change of 2,234 feet and an average elevation above sea level of 1,365 feet. Within 10 miles also contains large variations in elevation (2,556 feet). Within 50 miles also contains large variations in elevation (3,084 feet).

The area within 2 miles of Mont-Tremblant is covered by trees (88%), within 10 miles by trees (94%), and within 50 miles by trees (90%).

This report illustrates the typical weather in Mont-Tremblant, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Mont-Tremblant.

For each station, the records are corrected for the elevation difference between that station and Mont-Tremblant according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Mont-Tremblant is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Mont-Tremblant and a given station.

The stations contributing to this reconstruction are: St Jovite Automatic Weather Reporting System (97%, 16 kilometers, south) and Parent, Que. (3.1%, 190 kilometers, north).

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.