Last updated: March 2, 2024
The weather in Yellowknife, Canada, during August is characterized by an average temperature of 15°C (59°F). Highs can soar to 27°C (81°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Yellowknife throughout August hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Yellowknife averages 55 mm (2.2 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 15 hours 52 minutes of daylight, with the sun shining for approximately 9 hours 42 minutes each day. Additionally, there is a 39% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Yellowknife reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 5 | 4 | 3 | 2 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||