Frost Dates for Galena, AK
Elevation: 46 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.
May 18
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.
September 8
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 25
First Fall Frost
September 1
Hard Freeze (28°F)
Last Spring Hard Freeze
May 10
First Fall Hard Freeze
September 18
Growing Season
113 Days
May 18 to September 8
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 1b
Avg. annual minimum: −55 to −50°F
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc
Subarctic
Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.
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 | -3° | -10° | -17° |
| February | 9° | 0° | -10° |
| March | 19° | 7° | -5° |
| April | 38° | 27° | 17° |
| May | 57° | 46° | 35° |
| June | 69° | 58° | 47° |
| July | 69° | 60° | 51° |
| August | 62° | 54° | 46° |
| September | 52° | 44° | 35° |
| October | 31° | 26° | 20° |
| November | 12° | 6° | -1° |
| December | 3° | -4° | -12° |
Precipitation
0"
1"
2"
3"
3.7"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 1.8 |
| February | 1.4 |
| March | 1.2 |
| April | 1.3 |
| May | 1.9 |
| June | 3.2 |
| July | 3.7 |
| August | 3.4 |
| September | 2.6 |
| October | 1.8 |
| November | 1.5 |
| December | 1.6 |
Sunrise / Sunset
Daylight
Longest: 20h 55m · Shortest: 3h 06m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 9:42 AM | 2:18 PM | 4h 35m |
| February | 8:00 AM | 3:60 PM | 7h 60m |
| March | 6:24 AM | 5:36 PM | 11h 12m |
| April | 4:38 AM | 7:22 PM | 14h 45m |
| May | 2:55 AM | 9:05 PM | 18h 09m |
| June | 1:36 AM | 10:24 PM | 20h 48m |
| July | 2:13 AM | 9:47 PM | 19h 33m |
| August | 3:55 AM | 8:05 PM | 16h 11m |
| September | 5:41 AM | 6:19 PM | 12h 38m |
| October | 7:24 AM | 4:36 PM | 9h 12m |
| November | 9:10 AM | 2:50 PM | 5h 41m |
| December | 10:24 AM | 1:36 PM | 3h 11m |
Plan Your Garden with Planter
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