Frost Dates for Akutan, AK
Based on data from Dutch Harbor weather station, 35 miles away
Elevation: 167 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.
May 6
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 18
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 12
First Fall Frost
October 8
Hard Freeze (28°F)
Last Spring Hard Freeze
April 19
First Fall Hard Freeze
November 4
Growing Season
165 Days
May 6 to October 18
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 8a
Avg. annual minimum: 10 to 15°F
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
ET
Tundra
No true summer — the warmest month averages below 10°C (50°F). Growing is limited to hardy greens, root crops, and cold-frames during the brief warm period. Permafrost restricts root depth.
Temperature
20°
30°
40°
50°
60°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 37° | 33° | 29° |
| February | 39° | 34° | 29° |
| March | 39° | 34° | 29° |
| April | 42° | 37° | 33° |
| May | 47° | 42° | 37° |
| June | 52° | 47° | 42° |
| July | 57° | 52° | 47° |
| August | 59° | 54° | 48° |
| September | 55° | 49° | 44° |
| October | 48° | 43° | 38° |
| November | 43° | 38° | 33° |
| December | 39° | 35° | 31° |
Precipitation
0"
2"
4"
4.9"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 4.5 |
| February | 3.5 |
| March | 3.3 |
| April | 2.6 |
| May | 2.7 |
| June | 2.3 |
| July | 2.2 |
| August | 2.7 |
| September | 3.6 |
| October | 4.3 |
| November | 4.2 |
| December | 4.9 |
Sunrise / Sunset
Daylight
Alaska Time (AKT)
Longest: 16h 52m · Shortest: 7h 08m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 10:25 AM | 6:06 PM | 7h 42m |
| February | 9:36 AM | 7:05 PM | 9h 29m |
| March | 9:31 AM | 9:00 PM | 11h 29m |
| April | 8:14 AM | 9:59 PM | 13h 45m |
| May | 7:11 AM | 10:54 PM | 15h 42m |
| June | 6:41 AM | 11:31 PM | 16h 50m |
| July | 7:01 AM | 11:23 PM | 16h 22m |
| August | 7:52 AM | 10:29 PM | 14h 37m |
| September | 8:49 AM | 9:13 PM | 12h 24m |
| October | 9:45 AM | 7:58 PM | 10h 13m |
| November | 9:45 AM | 5:58 PM | 8h 13m |
| December | 10:27 AM | 5:37 PM | 7h 10m |
Plan Your Garden with Planter
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