Frost Dates for Mayliewan, AB

Based on data from Edmonton Namao Awos A weather station, 3 miles away

Elevation: 680 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 25
First Fall Frost September 10

Hard Freeze (−2°C)

Last Spring Hard Freeze May 9
First Fall Hard Freeze September 26
53.62°N, 113.46°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 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-6°-11°-16°
February-4°-10°-15°
March0°-5°-10°
April9°3°-3°
May17°10°3°
June21°15°8°
July23°17°11°
August22°16°9°
September18°11°4°
October9°4°-2°
November0°-5°-9°
December-6°-10°-15°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January0
February0
March0
April10
May33
June61
July89
August33
September25
October3
November0
December0

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 16h 49m · Shortest: 7h 11m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:51 AM4:35 PM7h 44m
February8:03 AM5:34 PM9h 30m
March7:59 AM7:28 PM11h 29m
April6:42 AM8:26 PM13h 44m
May5:40 AM9:20 PM15h 40m
June5:11 AM9:58 PM16h 47m
July5:30 AM9:49 PM16h 19m
August6:20 AM8:56 PM14h 36m
September7:16 AM7:40 PM12h 24m
October8:12 AM6:26 PM10h 14m
November8:12 AM4:26 PM8h 15m
December8:53 AM4:06 PM7h 13m

Nearby Stations

Edmonton Municipal Cr10, AB May 5 - September 27 University Of Alberta Metaboli, AB May 15 - September 20 Fort Saskatchewan, AB May 21 - September 17 Edmonton Woodbend, AB May 30 - September 12 Elk Island Nat Park, AB May 16 - September 20 Edmonton Int'L A, AB May 25 - September 11

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