Frost Dates for Athabasca 2, AB

Elevation: 626 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. May 22
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. September 14

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 May 28
First Fall Frost September 10

Hard Freeze (−2°C)

Last Spring Hard Freeze May 2
First Fall Hard Freeze September 26
54.82°N, 113.53°W © OpenStreetMap

Growing Season

115 Days May 22 to September 14

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.
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

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-9°-14°-19°
February-5°-10°-15°
March1°-5°-10°
April10°4°-2°
May16°10°4°
June20°14°8°
July23°17°10°
August22°15°9°
September16°10°4°
October8°3°-2°
November-1°-5°-9°
December-8°-12°-17°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January3
February3
March3
April20
May43
June99
July97
August53
September48
October8
November3
December3

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 17h 04m · Shortest: 6h 56m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:58 AM4:29 PM7h 32m
February8:07 AM5:30 PM9h 23m
March7:60 AM7:28 PM11h 28m
April6:40 AM8:29 PM13h 49m
May5:35 AM9:26 PM15h 51m
June5:04 AM10:05 PM17h 01m
July5:24 AM9:56 PM16h 32m
August6:17 AM8:60 PM14h 43m
September7:16 AM7:41 PM12h 25m
October8:15 AM6:24 PM10h 09m
November8:17 AM4:21 PM8h 04m
December9:01 AM3:59 PM6h 58m

Nearby Stations

Dapp Agdm, ABMay 28 - August 21 Busby, ABMay 21 - September 20 Lac La Biche Climate, AB May 24 - September 21 Barrhead Cs, AB May 21 - September 15 Campsie, ABJune 3 - September 2 Andrew, ABMay 20 - September 13

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