August weather forecastSlave Lake, Canada
August
Weather in August
August, the last month of the summer in Slave Lake, is also an agreeable month, with temperature in the range of an average low of 8.9°C (48°F) and an average high of 20.3°C (68.5°F).Temperature
The arrival of August brings an average high-temperature of a still agreeable 20.3°C (68.5°F), subtly diverging from July's 21°C (69.8°F). August is noted for a mean low-temperature of 8.9°C (48°F).Humidity
The average relative humidity in August in Slave Lake is 68%.Rainfall
In Slave Lake, during August, the rain falls for 14.5 days and regularly aggregates up to 44mm (1.73") of precipitation. In Slave Lake, during the entire year, the rain falls for 119.7 days and collects up to 409mm (16.1") of precipitation.Snowfall
July and August are months without snowfall.Daylight
In Slave Lake, Canada, the average length of the day in August is 14h and 55min.On the first day of the month, sunrise is at 5:48 am and sunset at 9:42 pm. On the last day of August, sunrise is at 6:44 am and sunset at 8:33 pm MDT.
Sunshine
In Slave Lake, the average sunshine in August is 10.5h.UV index
May through August, with an average maximum UV index of 4, are months with the highest UV index in Slave Lake. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during August translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Slave Lake, Canada
- Average high temperature in August: 20.3°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is December (-8.5°C).
- Average low temperature in August: 8.9°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is February (-15.1°C).
Average pressure in August
Slave Lake, Canada
- Average pressure in August: 1012mbar
The month with the highest atmospheric pressure is February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1010.1mbar).
Average wind speed in August
Slave Lake, Canada
- Average wind speed in August: 10.8km/h
The windiest month (with the highest average wind speed) is October (12.2km/h).
The calmest month (with the lowest average wind speed) is July (10.5km/h).
Average humidity in August
Slave Lake, Canada
- Average humidity in August: 68%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (61%).
Average rainfall in August
Slave Lake, Canada
- Average rainfall in August: 44mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is December (18mm).
Average rainfall days in August
Slave Lake, Canada
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in August
Slave Lake, Canada
- Average snowfall in August: 0mm
The month with the highest snowfall is March (173mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in August
Slave Lake, Canada
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Slave Lake, Canada
- Average daylight in August: 14h and 54min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in August: 10h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in August
Slave Lake, Canada
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (8 days).
Average UV index in August
Slave Lake, Canada
- Average UV index in August: 4
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October and December (UV index 1).
Average cloud cover in August
Slave Lake, Canada
- Average cloud cover in August: 32
The months with the most cloud cover are February and March (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Slave Lake, Canada
- Average visibility in August: 9km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (6km).
