Frost dates in Hobson, MT
The average last spring frost in Hobson is around May 26 and the first fall frost is around September 17. That gives Hobson an average growing season of about 114 days.
Last spring frost
| Early (10% chance after) | May 12 |
|---|---|
| Average (50%) | May 26 |
| Late (90%) | June 17 |
First fall frost
| Early (10%) | September 3 |
|---|---|
| Average (50%) | September 17 |
| Late (90% chance before) | October 5 |