Frost Dates for Wainwright AP, AK

Elevation: 9 m

Frost Dates

This location has year-round freezing temperatures.

70.64°N, 160.00°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 2b

Avg. annual minimum: −45 to −40°F

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Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
ET Tundra

No true summer — the warmest month averages below 10°C (50°F). Growing is limited to hardy greens, root crops, and cold-frames during the brief warm period. Permafrost restricts root depth.

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
January-4°-11°-18°
February-5°-11°-18°
March-4°-11°-18°
April11°4°-3°
May29°24°19°
June46°40°33°
July52°46°39°
August49°43°38°
September39°35°31°
October26°21°16°
November12°5°-1°
December0°-7°-13°

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
January––0h (polar night)
February8:49 AM3:11 PM6h 22m
March6:32 AM5:28 PM10h 56m
April4:07 AM7:53 PM15h 45m
May12:58 AM11:02 PM22h 04m
June––24h (midnight sun)
July––24h (midnight sun)
August3:03 AM8:57 PM17h 54m
September5:35 AM6:25 PM12h 51m
October7:55 AM4:05 PM8h 10m
November11:25 AM12:35 PM1h 11m
December––0h (polar night)

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