Frost Dates for Coleman, AB

Based on data from Crowsnest weather station, 1 miles away

Elevation: 1314 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. June 16
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. August 17

30% Probability

Only 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 21
First Fall Frost August 5

Hard Freeze (−2°C)

Last Spring Hard Freeze May 25
First Fall Hard Freeze September 12
49.63°N, 114.50°W © OpenStreetMap

Growing Season

62 Days June 16 to August 17

USDA Hardiness Zone

Hardiness 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: −37 to −34°C

Learn more

Köppen Climate

The 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

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January-1°-6°-11°
February1°-5°-11°
March4°-2°-8°
April10°3°-4°
May15°8°0°
June19°12°4°
July24°15°7°
August24°15°5°
September18°10°2°
October11°4°-2°
November4°-1°-6°
December-1°-6°-11°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January15
February3
March13
April13
May64
June89
July30
August25
September43
October28
November36
December8

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 16h 05m · Shortest: 7h 55m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:36 AM4:58 PM8h 22m
February7:57 AM5:48 PM9h 51m
March8:01 AM7:34 PM11h 33m
April6:53 AM8:23 PM13h 30m
May5:60 AM9:09 PM15h 09m
June5:36 AM9:40 PM16h 04m
July5:53 AM9:34 PM15h 41m
August6:35 AM8:49 PM14h 14m
September7:22 AM7:43 PM12h 21m
October8:09 AM6:37 PM10h 28m
November7:59 AM4:47 PM8h 47m
December8:36 AM4:32 PM7h 56m

Nearby Stations

Connelly Creek, AB May 30 - September 6 Beaver Mines, AB June 1 - September 7 Sparwood, BCMay 28 - September 6 Sparwood Cs, BC May 29 - September 7 Pincher Creek Climate, AB May 23 - September 15 Pincher Creek (Aut), AB May 26 - September 14

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