Frost Dates for Ashcroft, BC

Based on data from Highland Valley Lornex weather station, 21 miles away

Elevation: 307 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. June 4
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 12

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 10
First Fall Frost September 2

Hard Freeze (−2°C)

Last Spring Hard Freeze May 9
First Fall Hard Freeze September 25
50.72°N, 121.28°W © OpenStreetMap

Growing Season

100 Days June 4 to September 12

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 5a

Avg. annual minimum: −29 to −26°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-1°-5°-9°
February2°-3°-7°
March4°0°-5°
April9°4°-2°
May14°8°3°
June18°12°6°
July22°16°9°
August22°15°8°
September17°11°5°
October10°5°0°
November3°-1°-5°
December-2°-6°-10°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January18
February0
March3
April0
May33
June48
July25
August20
September20
October25
November41
December30

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 16h 14m · Shortest: 7h 46m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January8:06 AM4:21 PM8h 15m
February7:25 AM5:12 PM9h 47m
March7:27 AM7:00 PM11h 33m
April6:18 AM7:51 PM13h 33m
May5:23 AM8:38 PM15h 15m
June4:58 AM9:10 PM16h 12m
July5:16 AM9:04 PM15h 48m
August5:59 AM8:17 PM14h 18m
September6:48 AM7:09 PM12h 22m
October7:37 AM6:02 PM10h 25m
November7:29 AM4:10 PM8h 41m
December8:06 AM3:54 PM7h 48m

Nearby Stations

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview