Whistler Weather in August
In Whistler, August brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 7°C (45°F). Expect quite a bit of rainfall this month.
Rainfall in Whistler in August
Historically, approximately 9 days this month are expected to have rain, averaging 88 mm (3.5 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Whistler in August
In August, Whistler gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 7°C (45°F). August is known for being in the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. On average, it is the month with the highest temperature of the year.
Sunshine in Whistler in August
The days are predominantly sunny, with an estimated total of around 241 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Whistler.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Whistler's climate page.
Whistler Temperature in August
Min Temperature
7°C (45°F)
Max Temperature
19°C (66°F)
Chance of Rain
31%
Precipitation
88 mm (3.5 in)
Rainy days
9 days
Humidity
48%
Sunshine
241 hours
Percentage Sunshine
54%
Daily Historical Temperatures
44-year average (1982-2025)
Based on our historical records, temperatures in Whistler typically drop from around 25°C (77°F) at the start of August to approximately 21°C (70°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 11°C (52°F).
Average temperatures in August
Daily Historical Precipitation
44-year average (1982-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Whistler in August
Browse day-by-day weather records for Whistler spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Whistler historical weather extremes in August
Our historical data for Whistler spans 1990 to 2025, revealing these weather extremes.
- The warmest day in August was on August 14, 2004, with a maximum of 37°C (99°F).
- Whistler experienced its chilliest August day on August 26, 1991, reaching only 11°C (52°F).
- Whistler registered its coldest August night on August 28, 2000, with temperatures dropping to 2°C (36°F).
Best Places in Canada in August
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in August →
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What to Wear in Whistler in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Whistler in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Whistler's climate page.
Temperature Rainfall Sunshine Humidity
See the full Whistler climate overview or explore weather in Canada.
