Frost Dates for Bentley, AB

Based on data from Lacombe Cda 2 weather station, 13 miles away

Elevation: 907 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 24
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 15

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 11

Hard Freeze (−2°C)

Last Spring Hard Freeze May 14
First Fall Hard Freeze September 24
52.47°N, 114.05°W © OpenStreetMap

Growing Season

114 Days May 24 to September 15

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-5°-11°-17°
February-2°-9°-16°
March2°-5°-11°
April10°3°-3°
May17°10°3°
June20°14°7°
July23°16°9°
August22°15°8°
September18°10°3°
October11°4°-3°
November1°-4°-10°
December-4°-10°-16°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January0
February0
March10
April8
May46
June76
July91
August61
September25
October3
November3
December0

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 16h 35m · Shortest: 7h 25m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:46 AM4:43 PM7h 57m
February8:01 AM5:38 PM9h 37m
March7:59 AM7:30 PM11h 31m
April6:45 AM8:25 PM13h 40m
May5:46 AM9:16 PM15h 30m
June5:19 AM9:52 PM16h 33m
July5:37 AM9:44 PM16h 07m
August6:25 AM8:54 PM14h 29m
September7:18 AM7:41 PM12h 23m
October8:11 AM6:29 PM10h 18m
November8:08 AM4:33 PM8h 25m
December8:47 AM4:14 PM7h 27m

Nearby Stations

Red Deer, ABMay 18 - September 19 Red Deer A, AB May 23 - September 12 Dakota West, AB May 26 - September 14 Eckville South, AB May 22 - September 12 Brightview, AB May 18 - September 17 Olds, ABMay 18 - September 18

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