Last updated: April 22, 2025
In August, Yellowknife experiences a delightful mix of warmth and coolness, with maximum temperatures reaching up to 32°C (90°F) and an average of 15°C (59°F). The month is characterized by a refreshing minimum temperature of 5°C (41°F), perfect for enjoying the great outdoors. While residents and visitors can bask in the sun, they should also be prepared for occasional showers, as the city sees about 55 mm (2.2 in) of rain over 10 days. With a humidity level hovering around 79%, the warmth often feels more pronounced, adding to the unique charm of Yellowknife's summer atmosphere.
In August, Yellowknife, Canada, experiences a significant warm-up as summer reaches its peak. With temperatures ranging from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), the average temperature settles around 15°C (59°F), reflecting a steady progression from the coolness of earlier months. This warmth marks a welcome contrast to the frigid depths of winter, where temperatures plunge below -40°C. The month showcases long daylight hours, often blessed with sunshine, making it ideal for outdoor activities and exploration. As the summer season winds down, August provides a brief yet vibrant glimpse into the beauty of the Canadian North before the crispness of fall sets in, reminding residents and visitors alike of the dramatic temperature swings characteristic of this remarkable region.
In August, Yellowknife experiences a peak in precipitation, with 55 mm (2.2 in) of rain recorded over 10 days. This significant rainfall follows July's total of 56 mm (2.2 in), indicating a trend of increased moisture during the summer months. As the warm season winds down, August's wet conditions often contribute to the vibrant colors as nature begins its transition toward fall. Comparatively, both June and July show a steady increase in precipitation, with August maintaining these elevated levels, underscoring a pattern of heightened rainfall that is characteristic of the region's summer climate.
In August, Yellowknife experiences a notable uptick in humidity at 79%, a subtle rise compared to the preceding months. This increase reflects a transition away from the drier summer months of June and July, which recorded 69% and 73% respectively. As summer edges toward autumn, the humidity begins to echo the patterns seen earlier in the year, with levels gradually creeping back up to the higher figures seen in the fall and winter months. This trend underscores Yellowknife's unique climate, where the air feels increasingly moist as the region prepares for the cooler, more humid conditions of September and beyond.
In August, Yellowknife experiences a moderate UV Index of 5, signaling it’s important to stay vigilant while enjoying outdoor activities. This slight decrease from the higher indices of June and July, both hitting 6, indicates that while the sun's intensity is still considerable, the risk of overexposure is somewhat lessened. With a burn time of just 30 minutes, it's wise to consider sun protection measures as you soak up the beautiful summer days. As the months progress into September with a UV Index of 4, the days begin to shorten and the intensity wanes, but the enduring sun means it's always good practice to be mindful of UV exposure. For more detailed information, check the Yellowknife UV Index.
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August in Yellowknife, Canada, is a month characterized by a significant decline in daylight hours compared to the peak of summer. With 301 hours of sunshine, it marks a transition from the sun-drenched peaks of July, which boasts the most hours at 378. This gradual decrease signals the approach of autumn, yet August still enjoys a robust amount of sunshine, making it a wonderful time for outdoor activities. After the long, bright days of June and July, the change serves as a reminder of the fleeting nature of summer, as the days will continue to shorten in the months that follow. Despite the decrease, August remains a bright chapter in Yellowknife's yearly cycle, encouraging residents and visitors alike to make the most of the sun before it slips away.
In Yellowknife, Canada, August offers a moderate 39% chance of sunny weather, reflecting a notable trend as summer approaches its close. Although this likelihood is slightly lower than the peak of 45% in May, it still stands as one of the more promising months for sunshine compared to the darker winter months, where chances plummet to a mere 13% in December. With a gradual decrease in sunny days from the heights of summer, August provides a last opportunity to enjoy the sun before the fall months set in, where the chances drop significantly, particularly into September at 20%. This transitional period marks a bittersweet shift, as warmer, sunnier days begin to give way to the crispness of autumn.
In Yellowknife, Canada, August marks a pivotal transition in daylight as the summer days gradually wane. With 15 hours of daylight, this month still offers ample sunshine, following the peak brightness of June at 19 hours. As the days shorten, August serves as a reminder of the shifting seasons, where daylight dips from the vivacious energy of summer into the cozy embrace of autumn. The trend reveals a noticeable decrease from July’s 18 hours, yet the warmth and brightness are still prevalent, allowing residents and visitors to savor the stunning landscapes before the daylight further dwindles in September to 12 hours. This month highlights a delicate balance between summer's lingering glow and the impending arrival of shorter, darker days ahead.
In August, Yellowknife experiences a gentle breeze with an average wind speed of 3.4 m/s (8 mph), slightly softer than the summertime gusts of July. This month marks a transitional period, where the winds begin to pick up in anticipation of the cooler months ahead, as evidenced by the increase to 4.1 m/s (9 mph) in October. Throughout the summer, the wind speeds hold steady, hovering around 3.6 to 3.8 m/s (8 mph), suggesting a embrace of the warm conditions before the crisp fall air takes over. Overall, August's winds reflect a harmonious blend of lingering warmth and the subtle onset of autumn’s chill, encapsulating the unique rhythm of life in Canada’s North.
The weather in Yellowknife changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Yellowknife and find detailed weather information for every month.
August and January in Yellowknife present a stark contrast in weather conditions. In August, temperatures range from a milder minimum of 5°C (41°F) to a warm maximum of 32°C (90°F), with an average of 15°C (59°F) and a humidity level of 79%. Precipitation occurs over approximately 10 days, totaling 55 mm (2.2 in). In contrast, January is characterized by much harsher conditions, featuring extreme cold with minimum temperatures plunging to -44°C (-47°F) and an average of -24°C (-11°F). The maximum temperature only reaches -7°C (20°F), while the humidity is a staggering 98%. Snowfall is less frequent, with only 16 mm (0.6 in) of precipitation over 4 days. For more details on January weather, check out Yellowknife weather in January.
The comparison between August and February weather reveals striking contrasts in temperature and conditions. In August, temperatures range from a mild 5°C (41°F) at night to a warm 32°C (90°F) during the day, with an average of 15°C (59°F) and higher humidity levels at 79%. This month also sees about 55 mm (2.2 in) of precipitation over roughly 10 days. In stark contrast, February is characterized by extreme cold, with temperatures plummeting to a minimum of -48°C (-54°F) and averaging -25°C (-13°F), reaching a maximum of just -1°C (30°F). Precipitation is minimal in February, totaling only 11 mm (0.4 in) over 2 days, and humidity is exceptionally high at 97%. For a detailed look at Yellowknife's February weather, visit Yellowknife weather in February.
August and March present starkly contrasting weather conditions. In August, temperatures range from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average of 15°C (59°F). The month experiences about 55 mm (2.2 in) of precipitation across approximately 10 days, accompanied by high humidity at 79%. In contrast, March is characterized by frigid temperatures, with a minimum of -43°C (-46°F) and an average of -17°C (2°F), peaking at just 7°C (44°F). The precipitation is significantly lower at 18 mm (0.7 in) over 5 days, but the humidity is notably high at 94%. For more detailed insights, check out Yellowknife weather in March.
When comparing the weather in August and April, the differences are striking. August enjoys a warm climate with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average of 15°C (59°F). In contrast, April is characterized by much colder temperatures, with a low of -31°C (-24°F) and a high of 13°C (55°F), averaging -7°C (19°F). Additionally, August sees higher precipitation levels at 55 mm (2.2 in) over about 10 days, while April experiences only 16 mm (0.6 in) across 4 days. Humidity is also quite high in both months, with August at 79% and April slightly higher at 86%. To learn more about the weather in April specifically, you can visit Yellowknife weather in April.
When comparing the weather in August and May, notable differences emerge in temperature, precipitation, and general climate. August enjoys a wider temperature range, with minimums around 5°C (41°F) and maximums peaking at 32°C (90°F), resulting in an average temperature of 15°C (59°F). In contrast, May experiences much cooler temperatures, starting at a minimum of -22°C (-8°F) and reaching a maximum of 26°C (79°F), with an average temperature of only 5°C (41°F). Precipitation is also more frequent in August, totaling 55 mm (2.2 in) over approximately 10 days, compared to May's 20 mm (0.8 in) spread across just 4 days. Humidity levels are slightly higher in August at 79%, compared to May's 76%. For more detailed insights into May's weather, you can check Yellowknife weather in May.
When comparing the weather in August to that of June, we see notable differences in temperature and humidity levels. August typically experiences a wider temperature range, with minimums reaching 5°C (41°F) and maximums soaring to 32°C (90°F) for an average of 15°C (59°F). In contrast, June starts with colder temperatures, ranging from a minimum of -2°C (29°F) to a maximum of 28°C (83°F), averaging 13°C (56°F). Precipitation is slightly higher in August at 55 mm (2.2 in) over about 10 days, compared to June's 39 mm (1.5 in) over just 7 days. Additionally, the humidity in August is higher at 79%, while June maintains a more comfortable 69% humidity level. For a more detailed overview of June weather, visit Yellowknife weather in June.
In comparing the weather of July and August, both months experience similar temperature ranges, with minimums around 5°C (41°F) and maximums close to 30-32°C (86-90°F). However, August tends to be slightly warmer on average with temperatures rising to 15°C (59°F) compared to July's 17°C (62°F). Precipitation levels are nearly identical, with August receiving 55 mm (2.2 in) over about 10 days compared to July's 56 mm (2.2 in) over 9 days. Notably, August has higher humidity at 79%, compared to July's 73%, making the latter month feel somewhat more comfortable. For more detailed information about July's weather, you can visit Yellowknife weather in July.
In comparing the weather between August and September, August boasts warmer temperatures with a minimum of 5°C and a maximum of 32°C, while September experiences a chillier minimum of -4°C and a maximum of 22°C. The average temperature in August is significantly higher at 15°C compared to September's 8°C. Additionally, August receives more precipitation at 55 mm over 10 days, in contrast to September's 28 mm over just 6 days. Interestingly, humidity levels rise slightly in September to 86%, compared to 79% in August. For more details on this month’s weather, you can check out Yellowknife weather in September.
The weather in August is characterized by warmer temperatures, with a minimum of 5°C (41°F) and a maximum of 32°C (90°F), making it the warmest month. In contrast, October sees a significant drop in temperatures, ranging from a chilly -13°C (9°F) at night to a maximum of 12°C (54°F) during the day. While August has higher precipitation at 55 mm (2.2 in) across about 10 days, October experiences less rainfall at 24 mm (0.9 in) over just 7 days. Furthermore, the humidity in October is notably higher, sitting at 94%, compared to August's 79%. For more detailed information, you can refer to Yellowknife weather in October.
In August, temperatures in Yellowknife are relatively mild, ranging from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average of 15°C (59°F). The month experiences about 55 mm (2.2 in) of precipitation over approximately 10 days, accompanied by a humidity level of 79%. In stark contrast, November brings frigid temperatures, with lows plummeting to -31°C (-24°F) and an average temperature of -13°C (8°F), peaking at just 4°C (40°F). Precipitation drops to 20 mm (0.8 in) spread over only 6 days, but the humidity remains notably high at 98%. For a closer look at the climatic conditions during this month, check out Yellowknife weather in November.
August and December exhibit stark contrasts in weather conditions. August experiences mild temperatures, with a minimum of 5°C (41°F) and a comfortable average of 15°C (59°F), peaking at a warm 32°C (90°F). This month also sees a fair amount of rainfall, totaling 55 mm (2.2 in) over approximately 10 days, alongside relatively high humidity at 79%. In comparison, December plunges into frigid conditions, with temperatures ranging from a chilling minimum of -42°C (-44°F) to a maximum of just 1°C (34°F), resulting in an average of -22°C (-8°F). Precipitation is significantly lower at 14 mm (0.6 in) over just 4 days, but the humidity skyrockets to 100%, making the cold even more biting. For a closer look at the chilling conditions, visit Yellowknife weather in December.
As summer reaches its peak in August, Yellowknife experiences a notable shift in weather compared to preceding months. The warmth intensifies, with average temperatures rising and the occasional high reaching a sizzling 32°C (90°F), making it a vibrant time for outdoor activities. However, the month also carries a distinct humid feel, with an average humidity of 79% that can make the warm days feel warmer. Despite this heat, August is not without its share of rain, featuring about 10 rainy days and a total precipitation of 55 mm (2.2 in), bringing the lushness of late summer to life. This blend of warmth and moisture creates a unique atmosphere, distinguishing August as a transitional month heading into the cooler days of fall. For a deeper insight into Yellowknife's weather patterns, check out Yellowknife Climate.