Frost Dates for Sibbald Westgard, AB

Elevation: 724 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 25
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 29
First Fall Frost September 8

Hard Freeze (−2°C)

Last Spring Hard Freeze May 12
First Fall Hard Freeze September 27
51.42°N, 110.15°W © OpenStreetMap

Growing Season

112 Days May 25 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.
BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

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°-18°
February-4°-10°-16°
March1°-5°-11°
April12°5°-3°
May19°11°3°
June22°15°8°
July27°19°11°
August26°18°10°
September21°13°4°
October12°5°-2°
November2°-4°-9°
December-5°-10°-16°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January0
February3
March3
April8
May30
June71
July48
August36
September25
October0
November3
December3

Sunrise / Sunset

Daylight Longest: 16h 23m · Shortest: 7h 37m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:57 AM4:03 PM8h 06m
February7:09 AM4:51 PM9h 42m
March6:14 AM5:46 PM11h 32m
April5:12 AM6:48 PM13h 36m
May4:19 AM7:41 PM15h 22m
June3:49 AM8:11 PM16h 22m
July4:02 AM7:58 PM15h 57m
August4:48 AM7:12 PM14h 23m
September5:49 AM6:11 PM12h 22m
October6:49 AM5:11 PM10h 22m
November7:43 AM4:17 PM8h 34m
December8:11 AM3:49 PM7h 38m

Nearby Stations

Oyen Cara, AB May 23 - September 19 Esther 1, ABMay 22 - September 19 Oyen Cappon, AB May 22 - September 18 Kindersley A, SK May 20 - September 21 Leader Airport, SK May 21 - September 19 Coronation Climate, AB May 29 - September 11

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