August weather forecast
Banff, Canada

August

Weather in August

August continues the summertime pattern with a maximum temperature of 16.9°C (62.4°F), only a slight drop from July's warmth. This is the driest month of the year, combined with a slight drop in relative humidity. While the temperature remains comfortable, the length of daylight begins to shorten. As the final full month of summer, August offers the best opportunities for outdoor pursuits. The ideal weather conditions, along with spectacular natural scenery, make August one of the most appealing months to visit Banff.

Temperature

August's advent presents an average high-temperature of a still enjoyable 16.9°C (62.4°F), indicating a slight variation from the conditions of the previous month. An average low-temperature of 5.9°C (42.6°F) marks the month of August.

Humidity

With an average relative humidity of 62%, August is the least humid month.

Rainfall

In Banff, during August, the rain falls for 14.1 days and regularly aggregates up to 47mm (1.85") of precipitation. Throughout the year, there are 166.4 rainfall days, and 589mm (23.19") of precipitation is accumulated.

Snowfall

July and August are months without snowfall.

Daylight

The average length of the day in August is 14h and 30min.
On the first day of August, sunrise is at 6:08 am and sunset at 9:28 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:29 pm MDT.

Sunshine

With an average of 11h of sunshine, August has the most sunshine of the year.

UV index

In Banff, the average daily maximum UV index in August is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In August, the maximum UV index of 3 transforms into these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What is the usual temperature for Banff in August?
Banff in August has an average high-temperature of 16.9°C (62.4°F) and an average low-temperature of 5.9°C (42.6°F).
What is the least humid month?
The least humid month is August, with an average relative humidity of 62%.
What is the average humidity in August?
The average relative humidity in August is 62%.
How many days does it rain in August in Banff?
In Banff, in August, during 14.1 rainfall days, 47mm (1.85") of precipitation is typically accumulated.
When it does not snow?
In Banff, snow does not fall in July and August.
Does it snow in August?
In Banff, in August, it doesn't snow. In September, it regularly snows.
How many hours of daylight does Banff have in August?
In August, the average day length is 14h and 30min.
When are sunrise and sunset in August?
In August, on the first day of the month, sunrise is at 6:08 am and sunset at 9:28 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:29 pm MDT.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 11h of sunshine.
How many hours of sunshine does Banff have in August?
The average sunshine duration in August is 11h.
What is the UV index reading in August?
The average daily maximum UV index in August is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August - Banff, Canada
Average temperature in August
Banff, Canada
  • Average high temperature in August: 16.9°C

The warmest month (with the highest average high temperature) is July (17°C).
The month with the lowest average high temperature is December (-8.1°C).

  • Average low temperature in August: 5.9°C

The month with the highest average low temperature is July (6°C).
The coldest month (with the lowest average low temperature) is February (-15.9°C).

Average pressure in August - Banff, Canada
Average pressure in August
Banff, Canada
  • Average pressure in August: 1013.8mbar

The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is June (1011.7mbar).

Average wind speed in August - Banff, Canada
Average wind speed in August
Banff, Canada
  • Average wind speed in August: 7.2km/h

The windiest month (with the highest average wind speed) is January (11.2km/h).
The calmest month (with the lowest average wind speed) is August (7.2km/h).

Average humidity in August - Banff, Canada
Average humidity in August
Banff, Canada
  • Average humidity in August: 62%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (62%).

Average rainfall in August - Banff, Canada
Average rainfall in August
Banff, Canada
  • Average rainfall in August: 47mm

The wettest month (with the highest rainfall) is June (116mm).
The driest month (with the least rainfall) is January (18mm).

Average rainfall days in August - Banff, Canada
Average rainfall days in August
Banff, Canada
  • Average rainfall days in August: 14.1 days

The month with the highest number of rainy days is June (22.5 days).
The month with the least rainy days is January (9.9 days).

Average snowfall in August - Banff, Canada
Average snowfall in August
Banff, Canada
  • Average snowfall in August: 0mm

The month with the highest snowfall is April (324mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in August - Banff, Canada
Average snowfall days in August
Banff, Canada
  • Average snowfall days in August: 0.1 days

The month with the highest number of snowfall days is March (21.2 days).
The month with the least snowfall days is July (0 days).

Average daylight in August / Average sunshine in August - Banff, Canada
Average daylight in August /
Average sunshine in August
Banff, Canada
  • Average daylight in August: 14h and 3min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in August: 11h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).

Average sunshine days in August - Banff, Canada
Average sunshine days in August
Banff, Canada
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is June (4.3 days).

Average UV index in August - Banff, Canada
Average UV index in August
Banff, Canada
  • Average UV index in August: 3

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, October and November (UV index 1).

Average cloud cover in August - Banff, Canada
Average cloud cover in August
Banff, Canada
  • Average cloud cover in August: 25

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in August - Banff, Canada
Average visibility in August
Banff, Canada
  • Average visibility in August: 9km

The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April and December (7km).

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