Yellowknife Weather: August
 |
Average Day Temperature: | 65.7°F |
|
Average Night Temperature: | 54.7°F |
|
Sea Water Temperature: | 60.8°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 14.4 - 17.4 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.5 in | |
| detailed information | ||
forecast
| Yellowknife |
Temperature
| Yellowknife |
Air Temperature in August, °F
The highest day temperature in August 2025 was 82°F. The lowest night temperature was 47°F. The average values for day and night temperatures during August were 67.7°F и 54.7°F respectivly.
Yellowknife Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Yellowknife was 60.7°F. The maximum and minimum values were 53.6°F and 65.6°F respectively.
You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Yellowknife is 0.5 in. This value is relatively stable throughout the year.
The average wind speed in August is 8.8 mph.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Yellowknife in August is 9.4 hours.
Yellowknife on the Weather Map
| Halifax |  |
+78 |
| Montreal |  |
+70 |
| Niagara Falls | |
+70 |
| Ottawa |  |
+66 |
| Prince Edward Island | |
+74 |
| Quebec | |
+66 |
| Saint Andrews |  |
+66 |
| Saint John | |
+76 |
| Sydney | |
+68 |
| Thunder Bay |  |
+58 |
| Toronto | |
+66 |
| Vancouver | |
+60 |
| Victoria | |
+54 |
| Winnipeg | |
+60 |
| Yellowknife | |
+60 |
| 0900 |  |
60°F | S 15 mph |
| 1200 |  |
66°F | SE 17 mph |
| 1500 |  |
68°F | SE 17 mph |
| 1800 |  |
66°F | SE 14 mph |
| 2100 | |
56°F | SE 16 mph |
| 0000 |  |
50°F | SE 11 mph |
| 0300 | |
50°F | E 6 mph |
| 0600 | |
50°F | E 6 mph |