Frost Dates for Talkeetna AP, AK

Elevation: 107 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 16
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 16

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 22
First Fall Frost September 10

Hard Freeze (28°F)

Last Spring Hard Freeze May 5
First Fall Hard Freeze September 28
62.32°N, 150.09°W © OpenStreetMap

Growing Season

123 Days May 16 to September 16

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 4a

Avg. annual minimum: −30 to −25°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
January22°14°5°
February28°19°9°
March35°24°12°
April47°36°26°
May59°48°37°
June67°57°47°
July69°60°51°
August65°57°48°
September56°48°39°
October42°34°27°
November28°21°13°
December23°16°8°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January2.2
February2.1
March2.4
April2.1
May2.2
June2.3
July3.5
August4.4
September4.4
October4.1
November3.1
December2.3

Sunrise / Sunset

Daylight Alaska Time (AKT) Longest: 19h 26m · Shortest: 4h 34m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Alaska Time (AKT))
Month Sunrise Sunset Daylight
January10:21 AM3:58 PM5h 37m
February9:02 AM5:28 PM8h 26m
March8:32 AM7:48 PM11h 17m
April6:47 AM9:14 PM14h 27m
May5:15 AM10:38 PM17h 24m
June4:20 AM11:42 PM19h 22m
July4:51 AM11:21 PM18h 30m
August6:13 AM9:56 PM15h 43m
September7:38 AM8:12 PM12h 34m
October9:01 AM6:30 PM9h 30m
November9:31 AM3:60 PM6h 28m
December10:38 AM3:15 PM4h 37m

Nearby Stations

Amber Lake, AK May 28 - September 13 Chulitna Rvr, AK Willow West, AK May 15 - September 18 Whites Crossing, AK May 29 - September 7 Skwentna, AKMay 23 - September 9 Little Su At Hatcher Pass Brg, AK May 18 - September 18

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