Climate Insights for Whistler

The climate in Whistler is cool. The average annual temperature is 3°C and approximately 1733mm of precipitation falls per year. Whistler receives a notable amount of rainfall throughout the year, including during its driest month. Whistler is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are December, February, January, when temperatures can drop to -9°C. Whistler experiences heavy snowfall, typically from January through December.

Temperatures in Whistler vary considerably across the year, with a 30°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 21°C with a mean of 14°C. The coldest month is December, when overnight lows fall to -9°C and the daily average is -7°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.

Whistler is a fairly wet location, receiving approximately 1733mm of precipitation annually, which averages out to around 144mm per month. The wettest month is November, averaging 275mm of rainfall. January and December also tend to see above-average precipitation. The driest month is July, with just 40mm. That's 235mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Whistler receives heavy snowfall, accumulating around 850cm annually from January through December. The snowiest month is January, with approximately 171cm. Winter travel should account for significant snow cover.

Whistler is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently spring in Whistler, which began on March 20, 2026. Whistler is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 21°C, while the coldest stretch bottoms out in December near -9°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The table below shows monthly climate averages for Whistler based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.