Frost Dates for Kodiak, AK

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

Elevation: 49 ft

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. April 29
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. October 14

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 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

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 7b

Avg. annual minimum: 5 to 10°F

Learn more

Köppen Climate

The 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

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
January36°32°27°
February37°33°28°
March38°33°28°
April43°39°34°
May50°45°40°
June55°50°45°
July60°55°50°
August61°56°50°
September55°50°45°
October47°42°38°
November41°36°32°
December37°33°28°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January6.9
February5.4
March4.7
April5.1
May5.2
June3.7
July4.0
August3.8
September4.5
October4.5
November5.7
December7.6

Sunrise / Sunset

Daylight Alaska Time (AKT) Longest: 17h 48m · Shortest: 6h 12m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Alaska Time (AKT))
Month Sunrise Sunset Daylight
January9:52 AM4:46 PM6h 54m
February8:52 AM5:56 PM9h 04m
March8:37 AM8:01 PM11h 24m
April7:09 AM9:11 PM14h 02m
May5:55 AM10:17 PM16h 22m
June5:17 AM11:02 PM17h 46m
July5:40 AM10:50 PM17h 10m
August6:42 AM9:45 PM15h 03m
September7:50 AM8:18 PM12h 28m
October8:57 AM6:52 PM9h 55m
November9:08 AM4:41 PM7h 32m
December9:58 AM4:12 PM6h 14m

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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