Frost Dates for Wasa, BC

Elevation: 970 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 12
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 30

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 17
First Fall Frost September 23

Hard Freeze (−2°C)

Last Spring Hard Freeze April 22
First Fall Hard Freeze October 12
49.82°N, 115.63°W © OpenStreetMap

Growing Season

141 Days May 12 to September 30

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 5b

Avg. annual minimum: −26 to −23°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°-6°-9°
February2°-2°-7°
March8°2°-3°
April13°7°0°
May19°12°4°
June22°15°8°
July27°19°11°
August26°18°10°
September20°13°6°
October11°6°1°
November3°-1°-4°
December-3°-6°-9°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January10
February5
March25
April25
May61
June76
July56
August25
September36
October25
November38
December20

Sunrise / Sunset

Daylight Longest: 16h 07m · Shortest: 7h 53m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:50 AM4:10 PM8h 20m
February7:05 AM4:55 PM9h 50m
March6:13 AM5:47 PM11h 33m
April5:15 AM6:45 PM13h 31m
May4:25 AM7:35 PM15h 10m
June3:57 AM8:03 PM16h 05m
July4:09 AM7:51 PM15h 43m
August4:52 AM7:08 PM14h 15m
September5:49 AM6:11 PM12h 21m
October6:46 AM5:14 PM10h 28m
November7:37 AM4:23 PM8h 46m
December8:03 AM3:57 PM7h 54m

Nearby Stations

Cranbrook A, BC May 15 - September 23 Kimberley Pcc, BC May 18 - September 20 Wardner Ktny Hatchery, BC May 24 - September 13 Sparwood Cs, BC May 29 - September 7 Sparwood, BCMay 28 - September 6 Fernie, BCMay 30 - September 9

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