Frost dates in Melstone, MT
The average last spring frost in Melstone is around May 13 and the first fall frost is around September 24. That gives Melstone an average growing season of about 134 days.
Last spring frost
| Early (10% chance after) | April 27 |
|---|---|
| Average (50%) | May 13 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | September 10 |
|---|---|
| Average (50%) | September 24 |
| Late (90% chance before) | October 10 |