Frost Dates for Silver Lake, AK
Elevation: 366 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 31
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 3
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 3
First Fall Frost
August 30
Hard Freeze (28°F)
Last Spring Hard Freeze
May 16
First Fall Hard Freeze
September 17
Growing Season
95 Days
May 31 to September 3
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 2a
Avg. annual minimum: −50 to −45°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° | -11° |
| February | 20° | 8° | -4° |
| March | 31° | 16° | 1° |
| April | 46° | 33° | 19° |
| May | 58° | 45° | 31° |
| June | 67° | 54° | 41° |
| July | 70° | 57° | 45° |
| August | 67° | 55° | 42° |
| September | 55° | 44° | 33° |
| October | 40° | 30° | 21° |
| November | 18° | 9° | 1° |
| December | 10° | 2° | -7° |
Precipitation
0"
2"
4"
5.8"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 5.7 |
| February | 4.1 |
| March | 0.0 |
| April | 0.0 |
| May | 3.2 |
| June | 4.7 |
| July | 5.0 |
| August | 5.4 |
| September | 5.7 |
| October | 5.8 |
| November | 5.1 |
| December | 5.6 |
Sunrise / Sunset
Daylight
Longest: 19h 05m · Shortest: 4h 56m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 9:03 AM | 2:57 PM | 5h 53m |
| February | 7:43 AM | 4:17 PM | 8h 34m |
| March | 6:21 AM | 5:39 PM | 11h 18m |
| April | 4:49 AM | 7:11 PM | 14h 22m |
| May | 3:25 AM | 8:35 PM | 17h 11m |
| June | 2:30 AM | 9:30 PM | 19h 01m |
| July | 2:54 AM | 9:06 PM | 18h 13m |
| August | 4:12 AM | 7:48 PM | 15h 35m |
| September | 5:44 AM | 6:16 PM | 12h 33m |
| October | 7:13 AM | 4:47 PM | 9h 35m |
| November | 8:39 AM | 3:21 PM | 6h 42m |
| December | 9:31 AM | 2:29 PM | 4h 59m |
Nearby Stations
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