Mountain air

Mont-Tremblant, Quebec weather in August

Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

75

Holiday weather in August

Good

Best time to visit: May – September

Best for skiing: December – April

What is the weather like in Mont-Tremblant, Quebec in August?

In August, Mont-Tremblant, Quebec is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 106 mm in total. All in all, August is a good month for a holiday in Mont-Tremblant, Quebec.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score757576
Day24°23°19°
Night15°15°11°
Sun8 h7 h6 h
Rain days141210

More details for August

Daylight
14 h 14 min05:56 – 20:10
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
4 daysdew point 18 °C or moreAll months
Wind
14 km/haverage daily peakAll months
Cloud cover
58 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−4America/Toronto

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %63 %
  • Few rainy daysweight 30 %41 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in August

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Mont-Tremblant, Quebec in August: quick answers

Is Mont-Tremblant, Quebec hot in August?

Warm rather than hot: in August, daytime highs in Mont-Tremblant, Quebec average 23 °C and nights cool to about 15 °C.

Does it rain much in Mont-Tremblant, Quebec in August?

Rain is frequent, with about 12 rainy days and 106 mm in total.

Mont-Tremblant, Quebec month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences