Frost Dates for Macmillan Pass, YT

Elevation: 1379 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 18
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. August 6

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 23
First Fall Frost July 27

Hard Freeze (−2°C)

Last Spring Hard Freeze June 1
First Fall Hard Freeze August 22
63.25°N, 130.03°W © OpenStreetMap

Growing Season

49 Days June 18 to August 6

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 3a

Avg. annual minimum: −40 to −37°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dsc Subarctic (Dry Summer)

Cool, dry summers and cold winters. A rare climate found at high elevations. Very short growing season for cold-tolerant crops only.

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-14°-18°-22°
February-13°-17°-21°
March-12°-17°-21°
April-3°-8°-13°
May7°2°-3°
June15°9°3°
July16°11°5°
August14°9°3°
September7°3°-2°
October-2°-6°-10°
November-12°-15°-18°
December-13°-17°-21°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January58
February30
March41
April48
May18
June79
July97
August69
September56
October71
November86
December81

Sunrise / Sunset

Daylight Longest: 19h 55m · Shortest: 4h 05m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January9:22 AM2:38 PM5h 16m
February7:52 AM4:08 PM8h 16m
March6:22 AM5:38 PM11h 15m
April4:43 AM7:17 PM14h 34m
May3:10 AM8:50 PM17h 40m
June2:05 AM9:55 PM19h 50m
July2:34 AM9:26 PM18h 52m
August4:04 AM7:56 PM15h 53m
September5:42 AM6:18 PM12h 35m
October7:18 AM4:42 PM9h 23m
November8:54 AM3:06 PM6h 12m
December9:55 AM2:05 PM4h 09m

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