Frost dates in Wibaux, MT
The average last spring frost in Wibaux is around May 24 and the first fall frost is around September 13. That gives Wibaux an average growing season of about 112 days.
Last spring frost
| Early (10% chance after) | May 8 |
|---|---|
| Average (50%) | May 24 |
| Late (90%) | June 12 |
First fall frost
| Early (10%) | August 28 |
|---|---|
| Average (50%) | September 13 |
| Late (90% chance before) | September 29 |