Frost dates in Shambaugh, IA
The average last spring frost in Shambaugh is around April 27 and the first fall frost is around October 8. That gives Shambaugh an average growing season of about 164 days.
Last spring frost
| Early (10% chance after) | April 14 |
|---|---|
| Average (50%) | April 27 |
| Late (90%) | May 12 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 8 |
| Late (90% chance before) | October 23 |