August · Canada
Best time to visit Yellowknife in August Weather, crowds & prices
Weather in Yellowknife in August
Average temperature 16°C, 54 mm of rain, about 15 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
8.7/10
Ranked #4 of 12 months
- Avg temp
- 16°C
- Rainfall
- 54 mm
- Humidity
- 69%
- Days with 6h+ sun
- 15
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Yellowknife scores 8.7/10 for nature and wildlife travel - an above-average month (#4 of 12). Expect around 16°C, 54 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Yellowknife sits on Great Slave Lake under the aurora oval, with ice roads and wilderness around it.
August in Yellowknife — one of the year's strongest windows (4th)
Temperatures hover around 16°C (61°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 54 mm of rain this month — a flexible day or two helps — with about 15 days with 6+ hours of sunshine and 15.7 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Yellowknife at 8.7/10 (4th of 12), just behind July at 9.9/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.
Budget for peak pricing, and this is one of the busiest months here.
Frequently asked
- What is the weather like in Yellowknife in August?
- In August, Yellowknife averages 16°C, 54 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 8.7/10.
- Is August a good time to visit Yellowknife?
- August earns a 8.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Yellowknife in August?
- Expect about 54 mm of rain in August. Average humidity is 69% and there are about 15 days with 6+ hours of sunshine.
Curated in Yellowknife
Tickets & experiences
Things to do in Yellowknife
Yellowknife, Canada. Live activities and tours from GetYourGuide, matched to this destination.