Frost Dates for Bassano, AB

Based on data from Queenstown weather station, 26 miles away

Elevation: 792 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 20
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 18

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 26
First Fall Frost September 13

Hard Freeze (−2°C)

Last Spring Hard Freeze May 5
First Fall Hard Freeze September 27
50.79°N, 112.47°W © OpenStreetMap

Growing Season

121 Days May 20 to September 18

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°-8°-14°
February0°-6°-12°
March5°-2°-8°
April12°5°-2°
May17°10°3°
June21°15°8°
July25°18°10°
August25°17°10°
September19°12°5°
October12°5°-2°
November4°-2°-8°
December-1°-7°-13°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January0
February0
March8
April20
May64
June81
July56
August53
September28
October0
November3
December3

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 16h 15m · Shortest: 7h 45m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:34 AM4:48 PM8h 14m
February7:53 AM5:40 PM9h 46m
March7:55 AM7:28 PM11h 33m
April6:46 AM8:19 PM13h 33m
May5:50 AM9:06 PM15h 16m
June5:26 AM9:39 PM16h 13m
July5:43 AM9:32 PM15h 49m
August6:27 AM8:46 PM14h 19m
September7:16 AM7:37 PM12h 22m
October8:05 AM6:30 PM10h 25m
November7:57 AM4:37 PM8h 40m
December8:34 AM4:21 PM7h 47m

Nearby Stations

Okotoks, ABMay 23 - September 13 Hussar Agdm, AB May 16 - September 20 Stavely Aafc, AB May 18 - September 23 Brooks, ABMay 18 - September 20 Claresholm, AB May 20 - September 14 Vauxhall Cda Cs, AB May 14 - September 20

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