Frost Dates for High Level, AB

Based on data from High Level A weather station, 7 miles away

Elevation: 329 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 30
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 6

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 June 4
First Fall Frost August 30

Hard Freeze (−2°C)

Last Spring Hard Freeze May 15
First Fall Hard Freeze September 18
58.52°N, 117.14°W © OpenStreetMap

Growing Season

99 Days May 30 to September 6

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 2b

Avg. annual minimum: −43 to −40°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

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-15°-20°-25°
February-10°-16°-22°
March-3°-9°-16°
April8°2°-5°
May17°9°2°
June22°15°8°
July23°17°10°
August22°15°8°
September15°9°3°
October6°1°-4°
November-7°-11°-16°
December-13°-18°-23°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January3
February0
March5
April5
May20
June58
July79
August38
September25
October3
November3
December5

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 18h 03m · Shortest: 5h 58m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January9:37 AM4:19 PM6h 43m
February8:34 AM5:32 PM8h 58m
March8:17 AM7:40 PM11h 23m
April6:46 AM8:52 PM14h 06m
May5:29 AM10:01 PM16h 31m
June4:49 AM10:49 PM17h 60m
July5:13 AM10:35 PM17h 22m
August6:18 AM9:28 PM15h 10m
September7:29 AM7:58 PM12h 29m
October8:38 AM6:29 PM9h 51m
November8:53 AM4:15 PM7h 22m
December9:45 AM3:44 PM5h 60m

Nearby Stations

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