Last frost date in Juneau, Alaska
May 3
Average last frost in spring. In an early year (1 in 10) it's over by April 18; in a late year (1 in 10) it comes after May 18.
October 14
Average first frost in fall. 1 year in 10 it comes by October 1.
Source: NOAA U.S. Climate Normals 1991–2020, station Annex Creek (USC00500363), 4.7 miles from Juneau, elevation 92 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 18 | May 3 | May 18 |
| First frost in fall | Oct 1 | Oct 14 | Oct 29 |
Frost-free days in an average year: 164
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 19 | Sept 29 |
| Frost (32°F) | Every year | May 3 | Oct 14 |
| Hard freeze (28°F) | Every year | Apr 11 | Oct 31 |
Nights at 32°F or colder in an average year: 149
What to plant now in Juneau
- Spring planting calendar for an average last frost around April 30 Juneau: May 3
- Fall planting calendar for an average first frost around October 10 Juneau: October 14
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