Frost Dates for Yakutat State AP, AK

Elevation: 10 m

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. September 23
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 25
First Fall Frost September 16

Hard Freeze (28°F)

Last Spring Hard Freeze May 1
First Fall Hard Freeze October 7
59.51°N, -139.67°W © OpenStreetMap

Growing Season

126 Days May 20 to September 23

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 6b

Avg. annual minimum: −5 to 0°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° 40° 60°
29°
High: 35°F
Avg: 29°F
Low: 22°F
Jan
31°
High: 38°F
Avg: 31°F
Low: 24°F
Feb
32°
High: 40°F
Avg: 32°F
Low: 24°F
Mar
39°
High: 47°F
Avg: 39°F
Low: 30°F
Apr
46°
High: 54°F
Avg: 46°F
Low: 38°F
May
52°
High: 59°F
Avg: 52°F
Low: 45°F
Jun
55°
High: 62°F
Avg: 55°F
Low: 49°F
Jul
55°
High: 62°F
Avg: 55°F
Low: 48°F
Aug
49°
High: 57°F
Avg: 49°F
Low: 42°F
Sep
42°
High: 49°F
Avg: 42°F
Low: 35°F
Oct
34°
High: 40°F
Avg: 34°F
Low: 27°F
Nov
31°
High: 36°F
Avg: 31°F
Low: 25°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 5" 10" 15" 16.9"
10.5"
10.54"
Jan
9.8"
9.79"
Feb
9.7"
9.71"
Mar
7.7"
7.68"
Apr
7.0"
6.98"
May
4.9"
4.91"
Jun
6.1"
6.06"
Jul
11.9"
11.86"
Aug
16.9"
16.88"
Sep
16.6"
16.63"
Oct
12.4"
12.36"
Nov
11.2"
11.20"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6.5h9h11.5h14h16.5h18.5h17.5h15.5h12.5h10h7h5.5h
Jan: 8:46 AM – 3:14 PM · 6h 29m
Feb: 7:35 AM – 4:25 PM · 8h 51m
Mar: 6:19 AM – 5:41 PM · 11h 22m
Apr: 4:55 AM – 7:05 PM · 14h 11m
May: 3:39 AM – 8:21 PM · 16h 42m
Jun: 2:52 AM – 9:08 PM · 18h 16m
Jul: 3:12 AM – 8:48 PM · 17h 36m
Aug: 4:22 AM – 7:38 PM · 15h 17m
Sep: 5:45 AM – 6:15 PM · 12h 30m
Oct: 7:07 AM – 4:53 PM · 9h 46m
Nov: 8:25 AM – 3:35 PM · 7h 11m
Dec: 9:08 AM – 2:52 PM · 5h 43m
Daylight Longest: 18h 20m · Shortest: 5h 40m

Nearby Stations

Yakutat 3 Sse, AK May 13 - September 26

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