Yellowknife
August
Weather in Yellowknife for August 2025
Your guide to Yellowknife weather in August - trends and predictions
In general, the average temperature in Yellowknife at the beginning of August is 19.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 20.1 °C by the end of August.
The climate of Yellowknife in August is notably wet, with an average of 12 rainy days.
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19
Dry days
12
Rainy days
0
Snow days
20°/12°
Temperatures
20 km/h
Avg max wind
60 %
Avg humidity
Yellowknife in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  18° | 3  20° | ||||
| 4 22° | 5 21° | 6 19° | 7  19° | 8 21° | 9  23° | 10 23° |
| 11 22° | 12 25° | 13  23° | 14 15° | 15 16° | 16 19° | 17 19° |
| 18 18° | 19 19° | 20 20° | 21 15° | 22 17° | 23 21° | 24 19° |
| 25 22° | 26  19° | 27 18° | 28 22° | 29 19° | 30 21° | 31 20° |
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Temperatures trend during August in Yellowknife
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Cloudy | 17° /9° | 0 mm | 4 | |
| 2 Aug. | Overcast | 18° /9° | 0 mm | 4 | |
| 3 Aug. | Patchy rain possible | 20° /11° | 0.3 mm | 5 | |
| 4 Aug. | Patchy rain possible | 22° /13° | 0.5 mm | 6 | |
| 5 Aug. | Patchy rain possible | 21° /12° | 0.2 mm | 6 | |
| 6 Aug. | Cloudy | 19° /11° | 0 mm | 4 | |
| 7 Aug. | Sunny | 19° /10° | 0 mm | 6 | |
| 8 Aug. | Sunny | 21° /12° | 0 mm | 6 | |
| 9 Aug. | Partly cloudy | 23° /13° | 0 mm | 6 | |
| 10 Aug. | Patchy rain possible | 23° /14° | 0.1 mm | 6 | |
| 11 Aug. | Overcast | 22° /13° | 0 mm | 6 | |
| 12 Aug. | Overcast | 25° /13° | 0 mm | 6 | |
| 13 Aug. | Moderate rain at times | 23° /14° | 0.7 mm | 5 | |
| 14 Aug. | Patchy rain possible | 15° /10° | 7.7 mm | 4 | |
| 15 Aug. | Partly cloudy | 16° /8° | 0.8 mm | 4 | |
| 16 Aug. | Cloudy | 19° /10° | 0.4 mm | 5 | |
| 17 Aug. | Patchy rain possible | 19° /10° | 0.5 mm | 5 | |
| 18 Aug. | Patchy rain possible | 18° /9° | 0.6 mm | 5 | |
| 19 Aug. | Moderate rain at times | 19° /10° | 1.5 mm | 5 | |
| 20 Aug. | Overcast | 20° /10° | 0.1 mm | 5 | |
| 21 Aug. | Overcast | 15° /9° | 0.1 mm | 4 | |
| 22 Aug. | Overcast | 17° /10° | 0.1 mm | 4 | |
| 23 Aug. | Cloudy | 21° /11° | 0.1 mm | 5 | |
| 24 Aug. | Cloudy | 19° /11° | 0 mm | 5 | |
| 25 Aug. | Partly cloudy | 22° /10° | 0 mm | 6 | |
| 26 Aug. | Patchy light drizzle | 19° /11° | 0.5 mm | 4 | |
| 27 Aug. | Light drizzle | 18° /10° | 0.9 mm | 5 | |
| 28 Aug. | Partly cloudy | 22° /9° | 0.5 mm | 5 | |
| 29 Aug. | Sunny | 19° /10° | 0 mm | 5 | |
| 30 Aug. | Partly cloudy | 21° /10° | 0.1 mm | 6 | |
| 31 Aug. | Patchy rain possible | 20° /11° | 0.3 mm | 5 | |
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Important Notice
Our weather forecast for Yellowknife in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Yellowknife forecast closer to your planned date for the most up-to-date weather information.
Yellowknife in August - FAQ
What are the expected maximum and minimum temperatures in Yellowknife during August?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Yellowknife during August?
Expect minimal rainfall in Yellowknife during August, with a total of 12 mm over approximately 12 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Yellowknife during August?
The average wind speed in Yellowknife during August is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
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