Weather in Yellowknife: August
![]() |
Average day temperature: | 63.8°F |
Average night temperature: | 54.3°F | |
![]() |
Sea water temperature: | 60.3°F |
![]() |
Number of sunny days: | 12 days |
Day length: | 14.4 - 17.4 hours | |
![]() |
Number of rainy days: | 1 day |
Precipitation totals: | 0.6 in. | |
more information |
forecast
Yellowknife |
temperature
Yellowknife |
Air temperature in August, °F
Day temperature | Night temperature |
The highest day temperature during August of 2024 was 81°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during August were 63.6°F and 53.1°F.
Sea water temperature in Yellowknife in August, °F
The average sea water temperature in August of 2024 was 59.2°F. The highest and lowest sea temperatures during the month were 61.2°F and 57.2°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Number of sunny, partly cloudy and cloudy days in August is almost equal.
Precipitation total in August, in.
Precipitation total value in Yellowknife in August is 0.6 in. Other months of the year show relatively similar values.
The average wind speed value in August is 8.9 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 9.6.
Best time for vacation in Yellowknife
Yellowknife on a weather map

11 mph

12 mph

12 mph

11 mph

10 mph

10 mph

10 mph

12 mph