Last frost date in Fairbanks, Alaska
May 16
Average last frost in spring. In an early year (1 in 10) it's over by May 5; in a late year (1 in 10) it comes after May 29.
September 6
Average first frost in fall. 1 year in 10 it comes by August 25.
Source: NOAA U.S. Climate Normals 1991–2020, station Aurora (USC00500490), 2.4 miles from Fairbanks, elevation 443 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 5 | May 16 | May 29 |
| First frost in fall | Aug 25 | Sept 6 | Sept 20 |
Frost-free days in an average year: 112
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 27 | Aug 27 |
| Frost (32°F) | Every year | May 16 | Sept 6 |
| Hard freeze (28°F) | Every year | May 7 | Sept 18 |
Nights at 32°F or colder in an average year: 227
What to plant now in Fairbanks
Nothing in USDA's planting table is in its window in Fairbanks right now, or opens in the next 45 days.
- Spring planting calendar for an average last frost around May 20 Fairbanks: May 16
- Fall planting calendar for an average first frost around September 10 Fairbanks: September 6
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
Updated