Frost Dates for Wally Noerenberg Hatchery, AK

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 20
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 9
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 October 3

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 5
First Fall Hard Freeze October 23
60.80°N, -148.09°W © OpenStreetMap

Growing Season

142 Days May 20 to October 9

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 7a

Learn more

Temperature

10° 30° 50° 70°
27°
High: 33°
Avg: 27°
Low: 20°
Jan
28°
High: 35°
Avg: 28°
Low: 20°
Feb
29°
High: 38°
Avg: 29°
Low: 20°
Mar
37°
High: 45°
Avg: 37°
Low: 28°
Apr
44°
High: 53°
Avg: 44°
Low: 35°
May
52°
High: 61°
Avg: 52°
Low: 44°
Jun
56°
High: 63°
Avg: 56°
Low: 49°
Jul
55°
High: 63°
Avg: 55°
Low: 48°
Aug
49°
High: 56°
Avg: 49°
Low: 43°
Sep
41°
High: 47°
Avg: 41°
Low: 35°
Oct
33°
High: 39°
Avg: 33°
Low: 28°
Nov
29°
High: 34°
Avg: 29°
Low: 24°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 6" 12" 18" 22.0"
20.1"
20.08"
Jan
16.9"
16.91"
Feb
16.6"
16.63"
Mar
14.8"
14.85"
Apr
11.7"
11.74"
May
7.7"
7.68"
Jun
9.3"
9.28"
Jul
14.6"
14.64"
Aug
19.5"
19.50"
Sep
22.0"
21.96"
Oct
21.7"
21.70"
Nov
22.0"
21.97"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6h9h11h14h17h19h18h15h13h10h7h5h
Jan: 8:57 AM – 3:03 PM · 6h 07m
Feb: 7:40 AM – 4:20 PM · 8h 40m
Mar: 6:20 AM – 5:40 PM · 11h 20m
Apr: 4:51 AM – 7:09 PM · 14h 18m
May: 3:30 AM – 8:30 PM · 17h 00m
Jun: 2:38 AM – 9:22 PM · 18h 44m
Jul: 3:01 AM – 8:59 PM · 17h 59m
Aug: 4:16 AM – 7:44 PM · 15h 28m
Sep: 5:44 AM – 6:16 PM · 12h 32m
Oct: 7:10 AM – 4:50 PM · 9h 39m
Nov: 8:34 AM – 3:26 PM · 6h 53m
Dec: 9:22 AM – 2:38 PM · 5h 16m
Daylight Longest: 18h 47m · Shortest: 5h 13m

Nearby Stations

Main Bay, AKMay 19 - October 6 Whittier, AKApril 25 - October 14 Cannery Creek, AK May 16 - October 3 Portage Glacier V C, AK May 27 - September 12 Alyeska, AKMay 8 - September 29 Moose Pass 3nw, AK May 31 - September 8

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview