Mountain air

Whistler weather in August

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

83

Holiday weather in August

Excellent

Best time to visit: July – August

Best for skiing: November – April

What is the weather like in Whistler in August?

In August, Whistler is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 94 mm in total. All in all, August is an excellent month for a holiday in Whistler.

August compared

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

JulyJulAugustAugSeptemberSep
Score878371
Day22°22°17°
Night12°12°9°
Sun9 h8 h6 h
Rain days101113

More details for August

Daylight
14 h 33 min06:00 – 20:33
UV index
6 · highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
7 km/haverage daily peakAll months
Cloud cover
57 %on averageAll months
Hot days
2 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−7America/Vancouver

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %85 %
  • Few rainy daysweight 30 %54 %

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

Whistler in August: quick answers

Is Whistler hot in August?

Warm rather than hot: in August, daytime highs in Whistler average 22 °C and nights cool to about 12 °C. On about 2 days the thermometer climbs to 30 °C or more.

Does it rain much in Whistler in August?

Rain is frequent, with about 11 rainy days and 94 mm in total.

Whistler 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