Last frost date in Pocatello, Idaho
May 2
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 18.
October 11
Average first frost in fall. 1 year in 10 it comes by September 26.
Source: NOAA U.S. Climate Normals 1991–2020, station Pocatello City (USC00107210), 0.9 miles from Pocatello, elevation 4,460 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 | May 2 | May 18 |
| First frost in fall | Sept 26 | Oct 11 | Oct 26 |
Frost-free days in an average year: 161
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 17 | Sept 30 |
| Frost (32°F) | Every year | May 2 | Oct 11 |
| Hard freeze (28°F) | Every year | Apr 17 | Oct 24 |
Nights at 32°F or colder in an average year: 132
What to plant now in Pocatello
- Spring planting calendar for an average last frost around April 30 Pocatello: May 2
- Fall planting calendar for an average first frost around October 10 Pocatello: October 11
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
- Chubbuck 4 mi · last frost May 16
- Blackfoot 23 mi · last frost May 5
- Idaho Falls 48 mi · last frost May 9
- Burley 71 mi · last frost May 7
- Rexburg 74 mi · last frost May 12
Updated