Last frost date in Wasilla, Alaska
May 16
Average last frost in spring. In an early year (1 in 10) it's over by May 1; in a late year (1 in 10) it comes after May 31.
September 23
Average first frost in fall. 1 year in 10 it comes by September 8.
Source: NOAA U.S. Climate Normals 1991–2020, station Anderson Lake (USC00500302), 5 miles from Wasilla, elevation 458 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | May 1 | May 16 | May 31 |
| First frost in fall | Sept 8 | Sept 23 | Oct 5 |
Frost-free days in an average year: 128
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | June 1 | Sept 10 |
| Frost (32°F) | Every year | May 16 | Sept 23 |
| Hard freeze (28°F) | Every year | May 1 | Oct 3 |
Nights at 32°F or colder in an average year: 194
What to plant now in Wasilla
- Spring planting calendar for an average last frost around May 20 Wasilla: May 16
- Fall planting calendar for an average first frost around September 20 Wasilla: September 23
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Alaska
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