Yellowknife in August

7.3out of 10

Possible, with caveats

Mild: highs around 19°C. Frequent rain: about 10 rainy days.

19°CAvg high
11°CAvg low
10Rainy days (46 mm)
15:44 hDaylight
05:49Sunrise · 21:34 Sunset

Why this score

  • Mild: highs around 19°C
  • Frequent rain: about 10 rainy days

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in August varies a lot between years (±3.2 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-22° -28° J -18° -26° F -11° -21° M 0° -10° A 11° 0° M 19° 9° J 22° 13° J 19° 11° A 12° 5° S 2° -3° O -9° -15° N -18° -24° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -22°C-28°C11 mm 3– – 4.6
February -18°C-26°C6 mm 2– – 4.8
March -11°C-21°C10 mm 3– – 4.7
April 0°C-10°C11 mm 3– – 4.7
May 11°C0°C19 mm 4– – 6.6
June 19°C9°C25 mm 5– – 7.9
July 22°C13°C36 mm 7– – 8.0
August 19°C11°C46 mm 10– – 7.3
September 12°C5°C40 mm 8– – 6.3
October 2°C-3°C24 mm 6– – 4.7
November -9°C-15°C15 mm 5– – 4.5
December -18°C-24°C11 mm 4– – 4.6

Frequently asked questions

How hot is Yellowknife in August?

Daytime highs average 19°C and nights about 11°C.

When is the best time to visit Yellowknife?

The best months are July, June.