Frost Dates for Cochrane, AB

Based on data from Springbank A weather station, 7 miles away

Elevation: 1143 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 6
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 23
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 10
First Fall Frost August 13

Hard Freeze (−2°C)

Last Spring Hard Freeze May 22
First Fall Hard Freeze September 12
51.18°N, -114.47°W © OpenStreetMap

Growing Season

78 Days June 6 to August 23

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.

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

-20° -5° 10° 25°
-9°
High: -3°C
Avg: -9°C
Low: -15°C
Jan
-6°
High: 0°C
Avg: -6°C
Low: -13°C
Feb
-3°
High: 4°C
Avg: -3°C
Low: -10°C
Mar
3°
High: 10°C
Avg: 3°C
Low: -4°C
Apr
8°
High: 15°C
Avg: 8°C
Low: 1°C
May
12°
High: 18°C
Avg: 12°C
Low: 5°C
Jun
15°
High: 22°C
Avg: 15°C
Low: 7°C
Jul
14°
High: 21°C
Avg: 14°C
Low: 6°C
Aug
9°
High: 17°C
Avg: 9°C
Low: 2°C
Sep
4°
High: 11°C
Avg: 4°C
Low: -3°C
Oct
-3°
High: 3°C
Avg: -3°C
Low: -9°C
Nov
-8°
High: -1°C
Avg: -8°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 50 mm 100 mm
0 mm
0.0 mm
Jan
3 mm
2.5 mm
Feb
3 mm
2.5 mm
Mar
13 mm
12.7 mm
Apr
56 mm
55.9 mm
May
122 mm
121.9 mm
Jun
53 mm
53.3 mm
Jul
81 mm
81.3 mm
Aug
41 mm
40.6 mm
Sep
5 mm
5.1 mm
Oct
0 mm
0.0 mm
Nov
3 mm
2.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 8:42 AM – 4:51 PM · 8h 09m
Feb: 8:00 AM – 5:44 PM · 9h 44m
Mar: 8:01 AM – 7:33 PM · 11h 32m
Apr: 6:50 AM – 8:25 PM · 13h 35m
May: 5:54 AM – 9:13 PM · 15h 20m
Jun: 5:29 AM – 9:47 PM · 16h 18m
Jul: 5:46 AM – 9:40 PM · 15h 54m
Aug: 6:31 AM – 8:52 PM · 14h 22m
Sep: 7:21 AM – 7:43 PM · 12h 22m
Oct: 8:11 AM – 6:34 PM · 10h 23m
Nov: 8:05 AM – 4:41 PM · 8h 36m
Dec: 8:43 AM – 4:24 PM · 7h 41m
Daylight Mountain Time (MT) Longest: 16h 20m · Shortest: 7h 40m

Nearby Stations

Cop Upper, AB May 18 - September 21 Calgary Int'L A, AB May 21 - September 17 Calgary Int'L Cs, AB May 17 - September 23 Madden, ABMay 26 - September 7 Kananaskis, ABJune 16 - August 15 Bow Valley, ABJune 13 - August 9

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