Banff
Canada
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Banff, Canada

The last month of the summer, August, is another pleasant month in Banff, Canada, with average temperature varying between 21.6°C (70.9°F) and 6.9°C (44.4°F).

Temperature

July and August, with an average high-temperature of 21.6°C (70.9°F), are the warmest months.

Humidity

The average relative humidity in Banff is 40.4%.

Rainfall

In Banff, during August, the rain falls for 14.8 days and regularly aggregates up to 61.5mm (2.4") of precipitation. Throughout the year, in Banff, there are 86.9 rainfall days, and 322.4mm (12.7") of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In August, it is snowing for 0.2 days. Throughout August, 3mm (0.1") of snow is accumulated. In Banff, Canada, during the entire year, snow falls for 63.9 days, and aggregates up to 1912mm (75.3") of snow.

Daylight

The average length of the day in Banff is 14.5h.

Sunshine

The average sunshine in Banff is 7h.

UV index

The average daily maximum UV index in Banff is 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 in August interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What are the warmest months in Banff?

July and August, with an average high-temperature of 21.6°C (70.9°F), are warmest months in Banff, Canada.

What is the temperature in August in Banff?

The average high-temperature, in August, in Banff, Canada, is 21.6°C (70.9°F), while the average low-temperature is 6.9°C (44.4°F).

What is the average humidity in August in Banff?

The average relative humidity in August in Banff is 40.4%.

How many days does it rain in August in Banff?

In Banff, Canada, in August, it is raining for 14.8 days, with typically 61.5mm (2.4") of accumulated precipitation.

How many days does it snow in August in Banff?

In August, it is snowing for 0.2 days. Throughout August, 3mm (0.1") of snow is accumulated.

What is the average length of the day in August in Banff?

In Banff, the average length of the day in August is 14.5h.

How long on average sun shines in August in Banff?

In August, the average sunshine in Banff, Canada, is 7h.

What is the UV index reading in August in Banff?

In August, the average daily maximum UV index in Banff is 7. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation.
Average temperature in August - Banff, Canada
  • Average high temperature in August: 21.6°C

Warmest months (with the highest average high temperature) are July and August (21.6°C).
The month with the lowest average high temperature is December (-5.2°C).

  • Average low temperature in August: 6.9°C

The month with the highest average low temperature is July (7.3°C).
The coldest month (with the lowest average low temperature) is December (-13.3°C).

Average humidity in August - Banff, Canada
  • Average humidity in August: 40.4%

The month with the highest relative humidity is December (66%).
The month with the lowest relative humidity is June (39.6%).

Average rainfall in August - Banff, Canada
  • Average rainfall in August: 61.5mm

The wettest month (with the highest rainfall) is July (67.8mm).
The driest month (with the lowest rainfall) is December (1.7mm).

Average rainfall days in August - Banff, Canada
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is July (16 days).
Months with the lowest number of rainy days are January and December (0.9 days).

Average snowfall in August - Banff, Canada
  • Average snowfall in August: 3mm

The month with the highest snowfall is November (308mm).
The month with the lowest snowfall is July (1mm).

Average snowfall days in August - Banff, Canada
  • Average snowfall days in August: 0.2 days

The month with the highest number of snowfall days is January (9.4 days).
The month with the lowest number of snowfall days is July (0.1 days).

Average daylight in August / Average sunshine in August - Banff, Canada
  • Average daylight in August: 14.5h

The month with the longest days is June (Average daylight: 16.5h).
The month with shortest days is December (Average daylight: 8h).

  • Average sunshine in August: 7h

The month with most sunshine is July (Average sunshine: 8h).
Months with least sunshine are January, November and December (Average sunshine: 2).

Average UV index in August - Banff, Canada
  • Average UV index in August: 7

The month with the highest UV index is July (UV index 8).
Months with the lowest UV index are January, February, November and December (UV index 1).