Last frost date in Storm Lake, Iowa
April 25
Average last frost in spring. In an early year (1 in 10) it's over by April 11; in a late year (1 in 10) it comes after May 7.
October 13
Average first frost in fall. 1 year in 10 it comes by October 1.
Source: NOAA U.S. Climate Normals 1991–2020, station Storm Lake (USC00137979), 0.3 miles from Storm Lake, elevation 1,442 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 11 | Apr 25 | May 7 |
| First frost in fall | Oct 1 | Oct 13 | Oct 25 |
Frost-free days in an average year: 170
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 4 | Oct 3 |
| Frost (32°F) | Every year | Apr 25 | Oct 13 |
| Hard freeze (28°F) | Every year | Apr 15 | Oct 23 |
Nights at 32°F or colder in an average year: 151
What to plant now in Storm Lake
- Spring planting calendar for an average last frost around April 20 Storm Lake: April 25
- Fall planting calendar for an average first frost around October 10 Storm Lake: October 13
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 Iowa
- Spencer 35 mi · last frost May 1
- Carroll 43 mi · last frost Apr 27
- Le Mars 51 mi · last frost Apr 30
- Fort Dodge 53 mi · last frost Apr 28
- Sioux City 62 mi · last frost Apr 29
Updated