Frost dates in San Jon, NM
The average last spring frost in San Jon is around April 21 and the first fall frost is around October 22. That gives San Jon an average growing season of about 184 days.
Last spring frost
| Early (10% chance after) | April 5 |
|---|---|
| Average (50%) | April 21 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | October 7 |
|---|---|
| Average (50%) | October 22 |
| Late (90% chance before) | November 6 |