Frost Dates for Toolik Lake 5 Ene, AK

Elevation: 750 m

Frost Dates

This location has year-round freezing temperatures.

68.65°N, 149.40°W © OpenStreetMap

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 1b

Avg. annual minimum: −55 to −50°F

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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 (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January4°-5°-15°
February11°3°-5°
March10°0°-10°
April22°10°-2°
May42°33°24°
June57°47°38°
July59°50°41°
August52°44°36°
September40°33°26°
October24°16°8°
November9°2°-5°
December1°-6°-12°

Sunrise / Sunset

Daylight Longest: 24h 00m · Shortest: 0h 00m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January11:39 AM12:21 PM0h 42m
February8:29 AM3:31 PM7h 03m
March6:29 AM5:31 PM11h 02m
April4:20 AM7:40 PM15h 21m
May1:58 AM10:02 PM20h 04m
June––24h (midnight sun)
July––24h (midnight sun)
August3:25 AM8:35 PM17h 11m
September5:37 AM6:23 PM12h 45m
October7:43 AM4:17 PM8h 35m
November10:11 AM1:49 PM3h 39m
December––0h (polar night)

Nearby Stations

Chandalar Shelf Dot, AK Chandalar Lake, AK Wiseman, AK

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