Canadian Rockies Climate

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Written by Paul Peters posted on Monday, July 26th, 2010

Climate is one of the most important factors when considering when to come to the Canadian Rockies, and what to bring. Below you’ll find the average high and low temperatures for Banff and Jasper, Alberta. Keep in mind that the weather varies quite a bit, despite what the averages say, and, per Murphy’s Law, it tends toward colder and and wetter than you had expected. The best advice is to be prepared.

Climate data for Jasper
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 13.3
(55.9)
16.5
(61.7)
20
(68)
26.5
(79.7)
30.4
(86.7)
32.8
(91)
36.7
(98.1)
35
(95)
32.4
(90.3)
27.2
(81)
16.7
(62.1)
15
(59)
36.7
(98.1)
Average high °C (°F) -5
(23)
-0.9
(30.4)
4.7
(40.5)
10.8
(51.4)
15.8
(60.4)
19.3
(66.7)
21.9
(71.4)
21.6
(70.9)
16.4
(61.5)
10.1
(50.2)
0.4
(32.7)
-4.8
(23.4)
9.2
(48.6)
Daily mean °C (°F) -9.8
(14.4)
-6.3
(20.7)
-1.2
(29.8)
4.3
(39.7)
9.1
(48.4)
12.8
(55)
15
(59)
14.5
(58.1)
9.8
(49.6)
4.5
(40.1)
-4
(25)
-9.2
(15.4)
3.3
(37.9)
Average low °C (°F) -14.6
(5.7)
-11.8
(10.8)
-7.1
(19.2)
-2.3
(27.9)
2.4
(36.3)
6.2
(43.2)
8.1
(46.6)
7.4
(45.3)
3.3
(37.9)
-1.2
(29.8)
-8.5
(16.7)
-13.6
(7.5)
-2.6
(27.3)
Record low °C (°F) -46.7
(-52.1)
-43.3
(-45.9)
-36.7
(-34.1)
-28.9
(-20)
-13.9
(7)
-6.7
(19.9)
-1.7
(28.9)
-3
(27)
-11.1
(12)
-28.7
(-19.7)
-38.8
(-37.8)
-42.2
(-44)
-46.7
(-52.1)
Precipitation mm (inches) 26.9
(1.059)
16
(0.63)
17.6
(0.693)
18.8
(0.74)
29.9
(1.177)
55
(2.17)
60.1
(2.366)
59.1
(2.327)
37.3
(1.469)
28.7
(1.13)
24.5
(0.965)
24.8
(0.976)
398.7
(15.697)
Climate data for Banff
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 12.2
(54)
14.7
(58.5)
17.2
(63)
25.6
(78.1)
29.4
(84.9)
33.3
(91.9)
34.4
(93.9)
33.9
(93)
31
(88)
26.5
(79.7)
16.5
(61.7)
12.5
(54.5)
34.4
(93.9)
Average high °C (°F) -4.6
(23.7)
-0.4
(31.3)
4.5
(40.1)
9.5
(49.1)
14.5
(58.1)
19.5
(67.1)
22.9
(73.2)
22.3
(72.1)
16.3
(61.3)
10.1
(50.2)
0.2
(32.4)
-5.1
(22.8)
8.9
(48)
Daily mean °C (°F) -9.3
(15.3)
-6
(21)
-1.4
(29.5)
3.5
(38.3)
8.1
(46.6)
12
(54)
14.6
(58.3)
14.1
(57.4)
9.5
(49.1)
4.4
(39.9)
-4.1
(24.6)
-9.2
(15.4)
3
(37)
Average low °C (°F) -14.1
(6.6)
-11.6
(11.1)
-7.3
(18.9)
-2.5
(27.5)
1.7
(35.1)
5.4
(41.7)
7.4
(45.3)
6.9
(44.4)
2.7
(36.9)
-1.3
(29.7)
-8.4
(16.9)
-13.3
(8.1)
-2.9
(26.8)
Record low °C (°F) -51.2
(-60.2)
-45
(-49)
-40.6
(-41.1)
-27.2
(-17)
-17.8
(-0)
-3.9
(25)
-1.7
(28.9)
-4.5
(23.9)
-16.7
(1.9)
-27
(-17)
-40.6
(-41.1)
-48.3
(-54.9)
-51.2
(-60.2)
Precipitation mm (inches) 27.5
(1.083)
21.9
(0.862)
23.4
(0.921)
32.4
(1.276)
59.6
(2.346)
61.7
(2.429)
54.2
(2.134)
60.1
(2.366)
42.1
(1.657)
29.4
(1.157)
26.8
(1.055)
33.2
(1.307)
472.3
(18.594)
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