Last frost date in Farmington, NM
The average last frost in Farmington is May 2. By May 18 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 13, which leaves 160 frost-free days. An early freeze before September 29 happens one year in ten.
- Safe after (10% risk)
- May 18
- Average first frost
- Oct 13
- Frost-free season
- 160 days
- Hard freeze (28°F) ends
- Apr 20
No frost in the next 7 nights
Later than usual: the average first frost here is October 13.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2252°
- FriOct 2348°
- SatOct 2443°
- SunOct 2541°
- MonOct 2641°
- TueOct 2741°
- WedOct 2842°
Planting calendar for Farmington
Windows count forward or back from the average frost dates above. Click a crop for dates across New Mexico.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 20 | May 2 | May 18 | Sep 29 | Oct 13 | Oct 25 |
| Hard freeze, 28°F | Apr 5 | Apr 20 | May 4 | Oct 6 | Oct 22 | Nov 5 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Farmington Regional Airport (USW00023090) sits 2.8 miles from the center of Farmington at 5,495 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Farmington, NM?
The average last frost date in Farmington is May 2, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 18.
When is the first frost in Farmington?
The first frost in fall usually comes around October 13. One year in ten it arrives before September 29.
How long is the growing season in Farmington?
About 160 days between the average last and first frost.
When should I plant tomatoes in Farmington?
Plant tomato seedlings outside from May 9 to May 23. Start seeds indoors six to eight weeks earlier.
Nearby in New Mexico
- Rio RanchoApr 8
- AlbuquerqueApr 23
- Santa FeMay 14
- South ValleyApr 18
- AlamogordoMar 9
- RoswellApr 13
- Las CrucesMar 12
- ClovisApr 14
- CarlsbadMar 17
- HobbsMar 28