Frost dates in Belgrade, MT
The average last spring frost in Belgrade is around June 1 and the first fall frost is around September 13. That gives Belgrade an average growing season of about 104 days.
Last spring frost
| Early (10% chance after) | May 13 |
|---|---|
| Average (50%) | June 1 |
| Late (90%) | June 23 |
First fall frost
| Early (10%) | September 2 |
|---|---|
| Average (50%) | September 13 |
| Late (90% chance before) | September 27 |