Frost dates in Belvidere, NJ
The average last spring frost in Belvidere is around April 28 and the first fall frost is around October 18. That gives Belvidere an average growing season of about 173 days.
Last spring frost
| Early (10% chance after) | April 14 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 21 |
First fall frost
| Early (10%) | October 7 |
|---|---|
| Average (50%) | October 18 |
| Late (90% chance before) | November 2 |