Frost Dates for Seward AP, 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 2
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 7
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 8
First Fall Frost October 2

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze April 15
First Fall Hard Freeze October 21
60.13°N, -149.42°W © OpenStreetMap

Growing Season

158 Days May 2 to October 7

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

20° 40° 60°
26°
High: 31°
Avg: 26°
Low: 21°
Jan
29°
High: 34°
Avg: 29°
Low: 24°
Feb
31°
High: 37°
Avg: 31°
Low: 25°
Mar
39°
High: 45°
Avg: 39°
Low: 32°
Apr
46°
High: 53°
Avg: 46°
Low: 39°
May
52°
High: 59°
Avg: 52°
Low: 46°
Jun
56°
High: 62°
Avg: 56°
Low: 50°
Jul
56°
High: 62°
Avg: 56°
Low: 50°
Aug
50°
High: 56°
Avg: 50°
Low: 43°
Sep
40°
High: 46°
Avg: 40°
Low: 35°
Oct
31°
High: 36°
Avg: 31°
Low: 27°
Nov
28°
High: 33°
Avg: 28°
Low: 23°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 3" 6" 9" 9.8"
8.4"
8.44"
Jan
6.3"
6.35"
Feb
5.7"
5.71"
Mar
5.0"
4.97"
Apr
3.9"
3.89"
May
3.1"
3.11"
Jun
3.8"
3.75"
Jul
6.6"
6.64"
Aug
9.8"
9.80"
Sep
8.6"
8.59"
Oct
8.0"
8.03"
Nov
8.5"
8.49"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6h9h11h14h17h18h18h15h13h10h7h6h
Jan: 8:51 AM – 3:09 PM · 6h 19m
Feb: 7:37 AM – 4:23 PM · 8h 46m
Mar: 6:20 AM – 5:40 PM · 11h 21m
Apr: 4:53 AM – 7:07 PM · 14h 14m
May: 3:35 AM – 8:25 PM · 16h 51m
Jun: 2:46 AM – 9:14 PM · 18h 29m
Jul: 3:07 AM – 8:53 PM · 17h 47m
Aug: 4:19 AM – 7:41 PM · 15h 22m
Sep: 5:45 AM – 6:15 PM · 12h 31m
Oct: 7:08 AM – 4:52 PM · 9h 43m
Nov: 8:29 AM – 3:31 PM · 7h 02m
Dec: 9:15 AM – 2:45 PM · 5h 31m
Daylight Longest: 18h 32m · Shortest: 5h 28m

Nearby Stations

Seward 8 Nw, AK Seward 19n, AK May 21 - September 26 Cooper Lake Project, AK May 18 - September 27 Moose Pass 3nw, AK May 31 - September 8 Cooper Landing 5 W, AK June 12 - September 1 Port San Juan, AK May 10 - October 7

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