Frost Dates for McKenzie Towne, AB

Based on data from Okotoks weather station, 12 miles away

Elevation: 1035 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 23
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 13

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 8

Hard Freeze (−2°C)

Last Spring Hard Freeze May 6
First Fall Hard Freeze September 27
50.91°N, 113.97°W © OpenStreetMap

Growing Season

113 Days May 23 to September 13

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 4a

Avg. annual minimum: −34 to −32°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-2°-7°-13°
February0°-6°-12°
March5°-1°-8°
April11°5°-2°
May17°10°3°
June21°14°7°
July25°17°10°
August24°17°9°
September19°12°4°
October12°5°-1°
November4°-2°-8°
December-1°-7°-12°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January3
February0
March10
April41
May79
June117
July56
August51
September48
October10
November8
December3

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 16h 16m · Shortest: 7h 44m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:39 AM4:51 PM8h 13m
February7:58 AM5:43 PM9h 46m
March7:59 AM7:32 PM11h 32m
April6:49 AM8:23 PM13h 34m
May5:54 AM9:10 PM15h 17m
June5:29 AM9:43 PM16h 15m
July5:46 AM9:37 PM15h 51m
August6:30 AM8:50 PM14h 20m
September7:20 AM7:41 PM12h 22m
October8:09 AM6:33 PM10h 24m
November8:02 AM4:40 PM8h 39m
December8:39 AM4:24 PM7h 45m

Nearby Stations

Cop Upper, AB May 18 - September 21 Calgary Int'L A, AB May 21 - September 17 Calgary Int'L Cs, AB May 17 - September 23 Springbank A, AB June 6 - August 23 Pekisko, ABJune 9 - August 16 Stavely Aafc, AB May 18 - September 23

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