Frost Dates for Eaglecrest Base, AK

Elevation: 346 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 21
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. October 1

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 May 26
First Fall Frost September 27

Hard Freeze (28°F)

Last Spring Hard Freeze May 5
First Fall Hard Freeze October 16
58.28°N, 134.51°W © OpenStreetMap

Growing Season

133 Days May 21 to October 1

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 6b

Avg. annual minimum: −5 to 0°F

Learn more

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
January29°24°20°
February30°26°21°
March34°28°23°
April44°36°29°
May52°44°35°
June58°50°43°
July60°53°47°
August59°53°47°
September53°47°41°
October42°38°34°
November34°30°26°
December30°26°23°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January5.6
February4.4
March4.1
April3.6
May3.7
June3.4
July4.7
August7.1
September7.8
October7.4
November5.8
December5.7

Sunrise / Sunset

Daylight Longest: 17h 56m · Shortest: 6h 04m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January8:36 AM3:24 PM6h 48m
February7:30 AM4:30 PM9h 00m
March6:18 AM5:42 PM11h 23m
April4:58 AM7:02 PM14h 04m
May3:46 AM8:14 PM16h 27m
June3:03 AM8:57 PM17h 54m
July3:21 AM8:39 PM17h 17m
August4:26 AM7:34 PM15h 07m
September5:46 AM6:14 PM12h 29m
October7:04 AM4:56 PM9h 53m
November8:17 AM3:43 PM7h 27m
December8:57 AM3:03 PM6h 06m

Nearby Stations

Juneau Dwtn, AK April 20 - October 22 Juneau Intl AP, AK May 4 - October 3 Auke Bay, AKApril 27 - October 18 Juneau Forecast Office, AK May 9 - October 4 Juneau Lena Pt, AK April 11 - November 1 Juneau Mile 17, AK April 29 - October 20

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