August weather forecastYellowknife, Canada
August
Weather in August
August in Yellowknife tends to be quite refreshing as the maximum temperature drops slightly to 17.6°C (63.7°F). Despite the minor dip in temperature, the summer charm continues to prevail throughout the city. With long hours of daylight, August remains endurance to outdoor ventures. The comforting warmth of August days is extremely welcoming for visitors. While the rainfall sees a significant increase, it fails to dull the city's warm and vibrant spirit.Temperature
The average high-temperature in August in Yellowknife, Canada, at a refreshing 17.6°C (63.7°F), reveals a modest deviation from July's 20.3°C (68.5°F). During the August nights, an average temperature of 10.1°C (50.2°F) is observed.Humidity
The average relative humidity in August is 68%.Rainfall
August is the month with the most rainfall in Yellowknife. Rain falls for 14.5 days and accumulates 41mm (1.61") of precipitation.Snowfall
June through August are months without snowfall.Daylight
The average length of the day in August in Yellowknife is 15h and 57min.On the first day of the month, sunrise is at 5:02 am and sunset at 10:24 pm. On the last day of August, in Yellowknife, sunrise is at 6:25 am and sunset at 8:49 pm MDT.
Sunshine
In Yellowknife, the average sunshine in August is 9.5h.UV index
In August, the average daily maximum UV index in Yellowknife is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 3 in August leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Yellowknife, Canada
- Average high temperature in August: 17.6°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-18.8°C).
- Average low temperature in August: 10.1°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is January (-25.2°C).
Average pressure in August
Yellowknife, Canada
- Average pressure in August: 1009.9mbar
The month with the highest atmospheric pressure is February (1020.3mbar).
The month with the lowest atmospheric pressure is August (1009.9mbar).
Average wind speed in August
Yellowknife, Canada
- Average wind speed in August: 13.4km/h
The windiest month (with the highest average wind speed) is September (14.9km/h).
The calmest month (with the lowest average wind speed) is February (12.2km/h).
Average humidity in August
Yellowknife, Canada
- Average humidity in August: 68%
The month with the highest relative humidity is January (98%).
The month with the lowest relative humidity is June (52%).
Average rainfall in August
Yellowknife, Canada
- Average rainfall in August: 41mm
The wettest month (with the highest rainfall) is August (41mm).
The driest month (with the least rainfall) is February (4mm).
Average rainfall days in August
Yellowknife, Canada
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is August (14.5 days).
The month with the least rainy days is February (0.3 days).
Average snowfall in August
Yellowknife, Canada
- Average snowfall in August: 0mm
The month with the highest snowfall is November (114mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in August
Yellowknife, Canada
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is November (20.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Yellowknife, Canada
- Average daylight in August: 15h and 54min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is June (Average sunshine: 13h and 6min).
The months with the least sunshine are January and December (Average sunshine: 1h and 0min).
Average sunshine days in August
Yellowknife, Canada
- Average sunshine days in August: 15.1 days
The month with the most sunshine days is May (21.2 days).
The month with the least sunshine days is November (11.5 days).
Average UV index in August
Yellowknife, Canada
- Average UV index in August: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in August
Yellowknife, Canada
- Average cloud cover in August: 43
The months with the most cloud cover are January and December (Cloud cover 87).
The months with the least cloud cover are June and July (Cloud cover 37).
Average visibility in August
Yellowknife, Canada
- Average visibility in August: 9km
The months with the highest visibility are May, June and July (10km).
The months with the lowest visibility are January and February (5km).
