Banff Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Banff, Alberta during each month of the year.

The average high and low temperatures are listed below monthly and annually for the Rocky Mountain town, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 10, 20 or 30 °C each month in Banff, scroll down farther. There are also monthly and yearly counts of days with frost and cold weather.

All the numbers are long-term historical averages based on climate data gathered from 1981 to 2010.

Average Banff temperatures
High °F Low °F   High °C Low °C
26 10 January -3 -12
32 12 February 0 -11
41 20 March 5 -7
49 28 April 10 -2
59 35 May 15 2
66 42 June 19 5
71 45 July 22 7
71 44 August 22 7
61 37 September 16 3
50 30 October 10 -1
32 17 November 0 -8
23 8 December -5 -13
48 27 Year 9 -3

Days of Hot Weather in Banff

Banff's hottest days have temperatures in the low 30s Celsius. A day that hot typically shows up in July, and less commonly in August or September. Temperatures above 35 °C (95 °F) are not expected here.

Days per month in Banff over 10, 20 or 30 °C
  10 °C
50 °F
20 °C
68 °F
30 °C
86 °F
January 0 0 0
February 1 0 0
March 4 0 0
April 14 1 0
May 24 5 0
June 29 11 0
July 31 18 1
August 30 19 0
September 25 9 0
October 15 2 0
November 1 0 0
December 0 0 0
Year 172 64 2

When Banff Has Frosty Weather

Banff typically has 206 days a year when the minimum temperature is at 0 °C or below. The average date for the last frost in spring is June 7. Frost normally returns here three months later on September 7. The frost-free period extends for 91 days on average between the final spring frost and the first fall frost.

Average number of days with freezing temperatures in Banff
  0 °C
32 °F
January 30
February 26
March 29
April 23
May 10
June 1
July 0
August 1
September 8
October 19
November 28
December 31
Year 206

How Often Banff Has Cold Temperatures

Banff's chilliest winter nights have lows in the minus-thirties Celsius (below -22 °F). The mountain town averages just four or five nights a winter when it gets that cold.

From September to April, Banff can remain below freezing all day long. The ski resort typically has 77 days a year when the temperature never rises above 0 °C.

Days per month on average in Banff when the minimum temperature drops below -2, -10, or -20 °C
  -2 °C
28 °F
-10 °C
14 °F
-20 °C
-4 °F
January 28 16 5
February 23 13 5
March 24 7 1
April 13 1 0
May 2 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 3 0 0
October 11 1 0
November 24 10 2
December 29 19 6
Year 157 67 19
Reference

Environment Canada. Meteorological Service of Canada. Canadian Climate Normals. 1981-2010 Climate Normals & Averages.

Alberta Temperatures
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