Last frost date in Eagle, Idaho
April 30
Average last frost in spring. In an early year (1 in 10) it's over by April 17; in a late year (1 in 10) it comes after May 17.
October 17
Average first frost in fall. 1 year in 10 it comes by October 2.
Source: NOAA U.S. Climate Normals 1991–2020, station Emmett 2 E (USC00102942), 5.9 miles from Eagle, elevation 2,390 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 17 | Apr 30 | May 17 |
| First frost in fall | Oct 2 | Oct 17 | Nov 1 |
Frost-free days in an average year: 168
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 16 | Oct 4 |
| Frost (32°F) | Every year | Apr 30 | Oct 17 |
| Hard freeze (28°F) | Every year | Apr 14 | Oct 28 |
Nights at 32°F or colder in an average year: 131
What to plant now in Eagle
- Spring planting calendar for an average last frost around April 30 Eagle: April 30
- Fall planting calendar for an average first frost around October 20 Eagle: October 17
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 Idaho
- Garden City 10 mi · last frost May 17
- Nampa 15 mi · last frost Apr 29
- Boise City 15 mi · last frost Apr 24
- Mountain Home 57 mi · last frost May 2
- Jerome 120 mi · last frost May 2
Updated