Frost Dates for Gulkana AP, AK
Elevation: 476 m
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.
June 7
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.
August 21
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
June 16
First Fall Frost
August 16
Hard Freeze (28°F)
Last Spring Hard Freeze
May 19
First Fall Hard Freeze
September 2
Growing Season
75 Days
June 7 to August 21
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 2b
Avg. annual minimum: −45 to −40°F
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dsc
Subarctic (Dry Summer)
Cool, dry summers and cold winters. A rare climate found at high elevations. Very short growing season for cold-tolerant crops only.
Temperature
-20°
10°
40°
70°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 5° | -3° | -12° |
| February | 16° | 6° | -5° |
| March | 28° | 15° | 1° |
| April | 44° | 33° | 21° |
| May | 58° | 46° | 33° |
| June | 67° | 55° | 43° |
| July | 69° | 58° | 47° |
| August | 65° | 54° | 43° |
| September | 54° | 44° | 33° |
| October | 36° | 27° | 18° |
| November | 15° | 7° | -1° |
| December | 8° | 0° | -8° |
Precipitation
0"
1"
2"
2.2"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 1.2 |
| February | 1.3 |
| March | 1.7 |
| April | 1.4 |
| May | 1.5 |
| June | 1.8 |
| July | 2.2 |
| August | 2.2 |
| September | 1.8 |
| October | 1.9 |
| November | 1.8 |
| December | 1.4 |
Sunrise / Sunset
Daylight
Longest: 19h 22m · Shortest: 4h 38m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 9:10 AM | 2:50 PM | 5h 40m |
| February | 7:46 AM | 4:14 PM | 8h 27m |
| March | 6:21 AM | 5:39 PM | 11h 17m |
| April | 4:47 AM | 7:13 PM | 14h 26m |
| May | 3:20 AM | 8:40 PM | 17h 21m |
| June | 2:21 AM | 9:39 PM | 19h 17m |
| July | 2:47 AM | 9:13 PM | 18h 26m |
| August | 4:09 AM | 7:51 PM | 15h 41m |
| September | 5:43 AM | 6:17 PM | 12h 34m |
| October | 7:15 AM | 4:45 PM | 9h 31m |
| November | 8:44 AM | 3:16 PM | 6h 31m |
| December | 9:39 AM | 2:21 PM | 4h 42m |
Nearby Stations
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