Frost Dates for Cold Lake A, AB

Elevation: 541 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 19
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 16

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 23
First Fall Frost September 10

Hard Freeze (−2°C)

Last Spring Hard Freeze May 7
First Fall Hard Freeze September 28
54.42°N, 110.28°W © OpenStreetMap

Growing Season

120 Days May 19 to September 16

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 3a

Avg. annual minimum: −40 to −37°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-10°-15°-20°
February-6°-12°-17°
March0°-5°-11°
April9°4°-2°
May17°11°4°
June21°15°9°
July24°18°12°
August23°16°10°
September17°11°5°
October8°4°-1°
November-2°-6°-10°
December-9°-13°-18°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January0
February0
March8
April23
May33
June86
July81
August61
September33
October8
November8
December3

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 16h 59m · Shortest: 7h 02m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:42 AM4:19 PM7h 36m
February7:53 AM5:19 PM9h 26m
March7:47 AM7:15 PM11h 28m
April6:28 AM8:15 PM13h 47m
May5:24 AM9:11 PM15h 47m
June4:53 AM9:49 PM16h 56m
July5:13 AM9:40 PM16h 28m
August6:05 AM8:46 PM14h 40m
September7:03 AM7:28 PM12h 25m
October8:01 AM6:12 PM10h 11m
November8:02 AM4:10 PM8h 08m
December8:45 AM3:49 PM7h 03m

Nearby Stations

Rich Lake Agdm, AB May 28 - September 10 Lloydminster A, AB May 17 - September 17 Butte St Pierre, SK June 7 - August 16 Ranfurly 2nw, AB May 18 - September 17 Waseca, SKMay 20 - September 17

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