Frost Dates for Dufferin, BC

Based on data from Kamloops A weather station, 4 miles away

Elevation: 701 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 25
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 11

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 30
First Fall Frost October 7

Hard Freeze (−2°C)

Last Spring Hard Freeze April 11
First Fall Hard Freeze October 26
50.67°N, 120.38°W © OpenStreetMap

Growing Season

169 Days April 25 to October 11

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 6a

Avg. annual minimum: −23 to −21°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
January0°-3°-6°
February5°0°-4°
March11°5°-1°
April17°10°3°
May21°15°8°
June25°18°12°
July29°22°15°
August29°21°14°
September23°16°9°
October14°9°3°
November6°3°-1°
December1°-2°-5°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January8
February3
March3
April3
May20
June38
July18
August5
September18
October8
November13
December10

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 16h 16m · Shortest: 7h 44m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January8:05 AM4:18 PM8h 13m
February7:23 AM5:09 PM9h 46m
March7:25 AM6:58 PM11h 32m
April6:15 AM7:49 PM13h 34m
May5:20 AM8:36 PM15h 17m
June4:55 AM9:09 PM16h 14m
July5:12 AM9:03 PM15h 50m
August5:56 AM8:16 PM14h 20m
September6:45 AM7:07 PM12h 22m
October7:35 AM5:59 PM10h 25m
November7:27 AM4:07 PM8h 39m
December8:05 AM3:50 PM7h 46m

Nearby Stations

Kamloops Pratt Road, BC April 29 - October 5 Red Lake, BCMay 29 - September 19 Criss Creek, BCJune 19 - August 2 Highland Valley Lornex, BC June 4 - September 12 Westwold, BCMay 23 - September 8 Darfield, BCMay 7 - September 28

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