Whitehorse Weather in August
Whitehorse in August averages 18°C (64°F) during the day and 7°C (45°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.
Rainfall in Whitehorse in August
On average, there are about 12 days with rain during this month, averaging 60 mm (2.4 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Whitehorse in August
In August, expect moderate temperatures in Whitehorse, with highs of 18°C (64°F) and lows of 7°C (45°F) at night. The summer season takes place during August. 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.
Sunshine in Whitehorse in August
Expect sunny days throughout the month, with an estimated 230 hours of sunshine. This makes it a pleasant time to visit Whitehorse.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Whitehorse.
Whitehorse Temperature in August
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Whitehorse Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Whitehorse - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Whitehorse typically drop from around 21°C (70°F) at the start of August to approximately 16°C (61°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 9°C (48°F).
Average temperatures in August
Historical weather records for Whitehorse in August
Browse day-by-day weather records for Whitehorse spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Whitehorse historical weather extremes in August
According to our 20 years of weather records for Whitehorse, the following extremes were recorded between 2006 and 2026.
- Whitehorse recorded its highest August temperature of 30°C (86°F) on August 4, 2010.
- On August 29, 2015, Whitehorse saw its coldest August day with temperatures maxing out at 4°C (39°F).
- Whitehorse registered its coldest August night on August 31, 2008, with temperatures dropping to -2°C (28°F).
- The wettest August day on record brought 20 mm (0.8 in) of precipitation to Whitehorse (August 9, 2018).
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 →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Whitehorse in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Whitehorse in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports10/10
Whitehorse 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Whitehorse climate overview or explore weather in Canada.
Popular in August
Where to go in August - average daytime high across popular destinations.
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