Frost Dates for Kodiak, AK

Based on data from Kodiak Wwtp weather station, 2 miles away

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. April 29
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 14
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 4
First Fall Frost October 7

Hard Freeze (28°F)

Last Spring Hard Freeze April 11
First Fall Hard Freeze October 26
57.79°N, -152.41°W © OpenStreetMap

Growing Season

168 Days April 29 to October 14

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 7b

Avg. annual minimum: 5 to 10°F (−15 to −12°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Cfb Oceanic (Marine West Coast)

Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.

Köppen climate map

Temperature

20° 40° 60°
32°
High: 36°F
Avg: 32°F
Low: 27°F
Jan
33°
High: 37°F
Avg: 33°F
Low: 28°F
Feb
33°
High: 38°F
Avg: 33°F
Low: 28°F
Mar
39°
High: 43°F
Avg: 39°F
Low: 34°F
Apr
45°
High: 50°F
Avg: 45°F
Low: 40°F
May
50°
High: 55°F
Avg: 50°F
Low: 45°F
Jun
55°
High: 60°F
Avg: 55°F
Low: 50°F
Jul
56°
High: 61°F
Avg: 56°F
Low: 50°F
Aug
50°
High: 55°F
Avg: 50°F
Low: 45°F
Sep
42°
High: 47°F
Avg: 42°F
Low: 38°F
Oct
36°
High: 41°F
Avg: 36°F
Low: 32°F
Nov
33°
High: 37°F
Avg: 33°F
Low: 28°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 7.6"
6.9"
6.88"
Jan
5.4"
5.43"
Feb
4.7"
4.69"
Mar
5.1"
5.12"
Apr
5.2"
5.21"
May
3.7"
3.66"
Jun
4.0"
3.96"
Jul
3.8"
3.79"
Aug
4.5"
4.48"
Sep
4.5"
4.45"
Oct
5.7"
5.74"
Nov
7.6"
7.57"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7h9h11.5h14h16.5h18h17h15h12.5h10h7.5h6h
Jan: 8:33 AM – 3:27 PM · 6h 54m
Feb: 7:28 AM – 4:32 PM · 9h 04m
Mar: 6:18 AM – 5:42 PM · 11h 24m
Apr: 4:59 AM – 7:01 PM · 14h 02m
May: 3:49 AM – 8:11 PM · 16h 22m
Jun: 3:07 AM – 8:53 PM · 17h 46m
Jul: 3:25 AM – 8:35 PM · 17h 10m
Aug: 4:28 AM – 7:32 PM · 15h 03m
Sep: 5:46 AM – 6:14 PM · 12h 28m
Oct: 7:02 AM – 4:58 PM · 9h 55m
Nov: 8:14 AM – 3:46 PM · 7h 32m
Dec: 8:53 AM – 3:07 PM · 6h 14m
Daylight Longest: 17h 48m · Shortest: 6h 12m

Nearby Stations

Monashka Creek Dam, AK May 27 - September 23 Kodiak AP, AKMay 5 - October 3 Ouzinkie, AKMay 9 - October 4 Kitoi Bay, AKMay 11 - October 6

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