Frost Dates for Canmore, AB

Based on data from Banff Cs weather station, 12 miles away

Elevation: 1375 m

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. June 15
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. August 16
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost June 20
First Fall Frost August 5

Hard Freeze (−2°C)

Last Spring Hard Freeze May 28
First Fall Hard Freeze September 9
51.08°N, -115.35°W © OpenStreetMap

Growing Season

62 Days June 15 to August 16

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 3b

Avg. annual minimum: −35 to −30°F (−37 to −34°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

-15° -5° 5° 15° 25°
-8°
High: -4°C
Avg: -8°C
Low: -13°C
Jan
-7°
High: -1°C
Avg: -7°C
Low: -13°C
Feb
-3°
High: 3°C
Avg: -3°C
Low: -8°C
Mar
3°
High: 9°C
Avg: 3°C
Low: -4°C
Apr
7°
High: 14°C
Avg: 7°C
Low: 0°C
May
11°
High: 18°C
Avg: 11°C
Low: 4°C
Jun
15°
High: 23°C
Avg: 15°C
Low: 7°C
Jul
14°
High: 22°C
Avg: 14°C
Low: 6°C
Aug
9°
High: 17°C
Avg: 9°C
Low: 2°C
Sep
3°
High: 9°C
Avg: 3°C
Low: -2°C
Oct
-4°
High: 1°C
Avg: -4°C
Low: -8°C
Nov
-9°
High: -5°C
Avg: -9°C
Low: -14°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 20 mm 40 mm 60 mm
3 mm
2.5 mm
Jan
3 mm
2.5 mm
Feb
10 mm
10.2 mm
Mar
13 mm
12.7 mm
Apr
38 mm
38.1 mm
May
61 mm
61.0 mm
Jun
23 mm
22.9 mm
Jul
41 mm
40.6 mm
Aug
41 mm
40.6 mm
Sep
23 mm
22.9 mm
Oct
5 mm
5.1 mm
Nov
8 mm
7.6 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 8:47 AM – 4:56 PM · 8h 08m
Feb: 8:05 AM – 5:48 PM · 9h 43m
Mar: 8:06 AM – 7:38 PM · 11h 32m
Apr: 6:55 AM – 8:30 PM · 13h 35m
May: 5:58 AM – 9:19 PM · 15h 20m
Jun: 5:33 AM – 9:52 PM · 16h 19m
Jul: 5:50 AM – 9:45 PM · 15h 55m
Aug: 6:35 AM – 8:57 PM · 14h 22m
Sep: 7:26 AM – 7:48 PM · 12h 22m
Oct: 8:16 AM – 6:39 PM · 10h 23m
Nov: 8:10 AM – 4:45 PM · 8h 35m
Dec: 8:48 AM – 4:28 PM · 7h 40m
Daylight Mountain Time (MT) Longest: 16h 21m · Shortest: 7h 39m

Nearby Stations

Bow Valley, ABJune 13 - August 9 Nakiska Ridgetop, AB June 23 - July 19 Kananaskis, ABJune 16 - August 15 Yoho Park, BCJune 21 - August 4 Kootenay Np West Gate, BC May 10 - September 25 Springbank A, AB June 6 - August 23

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