Frost Dates for Chilliwack R Hatchery, BC

Elevation: 213 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. April 15
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. October 26

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 April 22
First Fall Frost October 21

Hard Freeze (−2°C)

Last Spring Hard Freeze March 7
First Fall Hard Freeze November 15
49.08°N, 121.70°W © OpenStreetMap

Growing Season

194 Days April 15 to October 26

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 8a

Avg. annual minimum: −12 to −9°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.

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
January4°2°-1°
February8°4°0°
March10°6°2°
April14°9°4°
May18°12°7°
June20°15°10°
July24°18°12°
August24°18°12°
September20°15°9°
October14°10°5°
November7°5°2°
December4°2°0°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January203
February119
March155
April107
May89
June97
July48
August58
September84
October157
November224
December188

Sunrise / Sunset

Daylight Longest: 16h 00m · Shortest: 7h 60m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:47 AM4:13 PM8h 27m
February7:03 AM4:57 PM9h 53m
March6:13 AM5:47 PM11h 34m
April5:16 AM6:44 PM13h 28m
May4:28 AM7:32 PM15h 05m
June4:01 AM7:59 PM15h 59m
July4:12 AM7:48 PM15h 36m
August4:54 AM7:06 PM14h 12m
September5:50 AM6:10 PM12h 20m
October6:45 AM5:15 PM10h 30m
November7:34 AM4:26 PM8h 51m
December7:59 AM4:01 PM8h 01m

Nearby Stations

Sardis, BCApril 6 - October 30 Chilliwack, BC April 10 - October 31 Agassiz Cda, BC March 23 - November 14 Agassiz Cs, BC March 20 - November 15 Laidlaw, BCMarch 25 - November 13 Hope Slide, BCMay 9 - October 7

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