Frost Dates for Mayerthorpe, AB

Based on data from Campsie weather station, 22 miles away

Elevation: 716 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 3
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 2

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 8
First Fall Frost August 25

Hard Freeze (−2°C)

Last Spring Hard Freeze May 17
First Fall Hard Freeze September 17
53.95°N, 115.14°W © OpenStreetMap

Growing Season

91 Days June 3 to September 2

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 2b

Avg. annual minimum: −43 to −40°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-7°-13°-19°
February-3°-10°-17°
March2°-5°-11°
April11°4°-3°
May17°10°2°
June21°14°7°
July23°17°10°
August23°15°8°
September18°10°3°
October10°3°-3°
November0°-5°-11°
December-6°-12°-18°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January18
February0
March5
April15
May46
June94
July89
August64
September30
October15
November5
December10

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 16h 55m · Shortest: 7h 05m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:58 AM4:38 PM7h 39m
February8:10 AM5:37 PM9h 27m
March8:04 AM7:33 PM11h 29m
April6:46 AM8:32 PM13h 46m
May5:43 AM9:27 PM15h 45m
June5:13 AM10:05 PM16h 53m
July5:32 AM9:57 PM16h 24m
August6:24 AM9:02 PM14h 39m
September7:21 AM7:46 PM12h 25m
October8:18 AM6:30 PM10h 12m
November8:19 AM4:29 PM8h 10m
December9:01 AM4:08 PM7h 07m

Nearby Stations

Barrhead Cs, AB May 21 - September 15 Dapp Agdm, ABMay 28 - August 21 Busby, ABMay 21 - September 20 Entwistle, AB May 20 - September 15 Whitecourt A, AB May 21 - September 17 Edmonton Stony Plain, AB May 12 - September 22

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview