Frost Dates for Atlin, BC

Elevation: 674 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 29
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 8

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 5
First Fall Frost August 30

Hard Freeze (−2°C)

Last Spring Hard Freeze May 8
First Fall Hard Freeze September 30
59.57°N, 133.70°W © OpenStreetMap

Growing Season

102 Days May 29 to September 8

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 3b

Avg. annual minimum: −37 to −34°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.

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-9°-12°-16°
February-6°-10°-15°
March0°-6°-11°
April7°2°-4°
May13°8°2°
June18°12°6°
July19°14°8°
August18°13°8°
September13°8°4°
October6°3°0°
November-2°-5°-8°
December-6°-9°-12°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January51
February10
March5
April0
May5
June23
July28
August38
September46
October30
November23
December30

Sunrise / Sunset

Daylight Longest: 18h 21m · Shortest: 5h 39m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:46 AM3:14 PM6h 28m
February7:35 AM4:25 PM8h 50m
March6:19 AM5:41 PM11h 22m
April4:54 AM7:06 PM14h 11m
May3:38 AM8:22 PM16h 43m
June2:51 AM9:09 PM18h 18m
July3:11 AM8:49 PM17h 37m
August4:21 AM7:39 PM15h 17m
September5:45 AM6:15 PM12h 30m
October7:07 AM4:53 PM9h 46m
November8:25 AM3:35 PM7h 10m
December9:09 AM2:51 PM5h 42m

Nearby Stations

Teslin (Aut), YT June 10 - August 20 Juneau Forecast Office, AK May 9 - October 4 Annex Creek, AKMay 3 - October 14 Juneau Mile 17, AK April 29 - October 20 Auke Bay, AKApril 27 - October 18 Juneau Intl AP, AK May 4 - October 3

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