Frost dates in Richfield, ID
The average last spring frost in Richfield is around June 4 and the first fall frost is around September 18. That gives Richfield an average growing season of about 106 days.
Last spring frost
| Early (10% chance after) | May 12 |
|---|---|
| Average (50%) | June 4 |
| Late (90%) | June 25 |
First fall frost
| Early (10%) | August 31 |
|---|---|
| Average (50%) | September 18 |
| Late (90% chance before) | October 9 |