Whistler (BC) Temperature by Month
The average annual maximum temperature in Whistler, British Columbia, Canada is 8°C (46°F), with daytime highs ranging from -3°C (27°F) in December to 19°C (66°F) in August. This page covers monthly averages, day-night differences, and how Whistler compares to cities worldwide.
Whistler Monthly Temperatures
The climate in Whistler is known for significant temperature differences throughout the year. At night, this contrast is just as clear, with lows ranging from 7°C (45°F) in August to -9°C (16°F) in December.
The chart below illustrates the average maximum day and minimum night temperatures in Whistler by month:
Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM. August, the city's warmest month, sees 241 hours of sunshine.
The chart below shows the average temperature throughout the year:
Daily Historical Temperatures
44-year average (1982-2025)
Average high and low temperatures for each day of the month based on long-term records.
Average temperatures in July
Historical Whistler Temperatures: 1976-2026
Browse day-by-day temperature records for Whistler spanning 51 years. Select any month and year to see actual high and low temperatures recorded on each day.
Temperature: Whistler vs Canada
The map below shows the annual temperature across Canada. You can also select individual months if you want to compare a specific time of year.
very warm
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moderate
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Whistler vs World: Temperature Compared
Whistler's average annual maximum temperature is 8°C (46°F). To put that in context, here's how it compares to a few well-known destinations:
Seville, Spain averages 23°C (73°F) a year — one of the warmer cities in Western Europe, with long hot summers.
Queenstown, New Zealand averages 10°C (50°F) annually — remember seasons are flipped, so its coldest months fall in June and July.
Chicago, USA averages 15°C (59°F) annually — known for extreme seasonal swings, from bitterly cold winters to warm summers.
Perth, Australia averages 25°C (77°F) annually, with a classic Mediterranean climate — hot dry summers and mild wet winters.
What Does the Temperature Feel Like in Whistler?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In Whistler, December is the coolest month, with average highs of -3°C (27°F) and humidity around 87% — considered very high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Whistler this rarely lasts long on the ground.
For more on Whistler's weather — including monthly rainfall, sunshine hours, and humidity — visit our Whistler climate page.
