Climate guide for Yellowknife, Canada

Yellowknife in August

Weather, crowds & best time to visit

How to read the score (0–10)
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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

Full year for Yellowknife
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.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

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.