Frost dates in Jordan, MT
The average last spring frost in Jordan is around May 18 and the first fall frost is around September 17. That gives Jordan an average growing season of about 122 days.
Last spring frost
| Early (10% chance after) | May 5 |
|---|---|
| Average (50%) | May 18 |
| Late (90%) | June 7 |
First fall frost
| Early (10%) | September 2 |
|---|---|
| Average (50%) | September 17 |
| Late (90% chance before) | October 2 |