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 iHardiness 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

Learn more

Köppen Climate iThe 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

-20° 0° 20° 40° 60°
-5°
High: 4°F
Avg: -5°F
Low: -15°F
Jan
3°
High: 11°F
Avg: 3°F
Low: -5°F
Feb
0°
High: 10°F
Avg: 0°F
Low: -10°F
Mar
10°
High: 22°F
Avg: 10°F
Low: -2°F
Apr
33°
High: 42°F
Avg: 33°F
Low: 24°F
May
47°
High: 57°F
Avg: 47°F
Low: 38°F
Jun
50°
High: 59°F
Avg: 50°F
Low: 41°F
Jul
44°
High: 52°F
Avg: 44°F
Low: 36°F
Aug
33°
High: 40°F
Avg: 33°F
Low: 26°F
Sep
16°
High: 24°F
Avg: 16°F
Low: 8°F
Oct
2°
High: 9°F
Avg: 2°F
Low: -5°F
Nov
-6°
High: 1°F
Avg: -6°F
Low: -12°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec0.5h7h11h15.5h20h24h24h17h13h8.5h3.5h0h
Jan: 11:39 AM – 12:21 PM · 0h 42m
Feb: 8:29 AM – 3:31 PM · 7h 03m
Mar: 6:29 AM – 5:31 PM · 11h 02m
Apr: 4:20 AM – 7:40 PM · 15h 21m
May: 1:58 AM – 10:02 PM · 20h 04m
Jun: 24h (Midnight Sun)
Jul: 24h (Midnight Sun)
Aug: 3:25 AM – 8:35 PM · 17h 11m
Sep: 5:37 AM – 6:23 PM · 12h 45m
Oct: 7:43 AM – 4:17 PM · 8h 35m
Nov: 10:11 AM – 1:49 PM · 3h 39m
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

Nearby Stations

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

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