Frost Dates for Two Hills, AB

Based on data from Ranfurly 2nw weather station, 20 miles away

Elevation: 605 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 18
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 17

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 23
First Fall Frost September 12

Hard Freeze (−2°C)

Last Spring Hard Freeze May 1
First Fall Hard Freeze September 26
53.71°N, 111.75°W © OpenStreetMap

Growing Season

122 Days May 18 to September 17

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-9°-14°-18°
February-5°-10°-15°
March0°-5°-10°
April10°4°-2°
May18°11°4°
June21°15°9°
July24°17°11°
August23°16°10°
September18°11°4°
October9°4°-2°
November-1°-5°-10°
December-7°-12°-17°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January13
February0
March8
April28
May48
June79
July81
August64
September33
October5
November13
December13

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 16h 46m · Shortest: 7h 14m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:43 AM4:30 PM7h 47m
February7:56 AM5:27 PM9h 32m
March7:52 AM7:21 PM11h 30m
April6:36 AM8:19 PM13h 43m
May5:34 AM9:12 PM15h 38m
June5:05 AM9:49 PM16h 44m
July5:24 AM9:41 PM16h 17m
August6:14 AM8:48 PM14h 34m
September7:09 AM7:33 PM12h 24m
October8:05 AM6:19 PM10h 15m
November8:04 AM4:20 PM8h 17m
December8:45 AM4:01 PM7h 16m

Nearby Stations

Vegreville, AB May 19 - September 11 Tofield North, AB May 25 - September 16 Fabyan, ABMay 21 - September 14 Sedgewick Town, AB May 19 - September 15 Andrew, ABMay 20 - September 13 Wainwright Cfb Airfield 21, AB May 17 - September 21

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