Frost Dates for Mackenzie, BC

Based on data from Mackenzie A weather station, 3 miles away

Elevation: 771 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 27
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 4

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 2
First Fall Frost August 22

Hard Freeze (−2°C)

Last Spring Hard Freeze May 17
First Fall Hard Freeze September 24
55.34°N, 123.09°W © OpenStreetMap

Growing Season

100 Days May 27 to September 4

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-7°-11°-15°
February-2°-7°-12°
March2°-3°-9°
April9°3°-3°
May16°9°2°
June20°14°7°
July22°16°9°
August21°15°8°
September16°10°4°
October7°3°-1°
November0°-4°-7°
December-5°-8°-12°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January66
February33
March41
April15
May30
June53
July58
August48
September48
October74
November74
December64

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 17h 10m · Shortest: 6h 50m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January8:39 AM4:05 PM7h 26m
February7:47 AM5:07 PM9h 20m
March7:38 AM7:06 PM11h 27m
April6:17 AM8:08 PM13h 51m
May5:11 AM9:07 PM15h 55m
June4:39 AM9:47 PM17h 08m
July4:59 AM9:37 PM16h 38m
August5:54 AM8:40 PM14h 46m
September6:54 AM7:20 PM12h 26m
October7:54 AM6:01 PM10h 07m
November7:58 AM3:57 PM7h 59m
December8:43 AM3:34 PM6h 52m

Nearby Stations

Germansen Landing, BC June 11 - August 24 Fort St James, BC May 24 - September 13 Vanderhoof, BC May 21 - September 12 Fraser Lake North Shore, BC May 25 - September 13

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