Last frost date in Farmington, NM

Average last frost
May 2

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
Next 7 nights in Farmington

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

  1. ThuOct 2252°
  2. FriOct 2348°
  3. SatOct 2443°
  4. SunOct 2541°
  5. MonOct 2641°
  6. TueOct 2741°
  7. WedOct 2842°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost May 2First frost Oct 13160 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND160 frost-free days
Frost risk through the year at Farmington Regional Airport, 2.8 miles from Farmington.

Planting calendar for Farmington

Windows count forward or back from the average frost dates above. Click a crop for dates across New Mexico.

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesMay 9–May 23
PumpkinsMay 16–May 30
SunflowersMay 2–May 23
CucumbersMay 16–May 23
CornMay 9–May 23
Sweet potatoesMay 23–Jun 6
WatermelonMay 16–May 30
Green beansMay 9–May 30
ZucchiniMay 9–May 23
OkraMay 23–Jun 6
PeppersMay 16–May 30
BasilMay 9–May 23
Butternut squashMay 9–May 23
CantaloupeMay 16–May 30
EggplantMay 16–May 30
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesApr 4–Apr 18
OnionsMar 21–Apr 11
CarrotsApr 11–May 16
LettuceApr 18–May 9
BroccoliApr 4–Apr 18
BeetsApr 4–May 16
PeasMar 21–Apr 4
CabbageApr 4–Apr 18
RadishesMar 28–May 9
Brussels sproutsApr 18–May 2
SpinachMar 21–Apr 11
CilantroApr 18–May 9
KaleApr 4–Apr 18
Collard greensApr 4–Apr 18
TurnipsApr 4–Apr 18
DillMay 2–May 16
CeleryMay 9–May 16
CauliflowerApr 18–May 2
LeeksApr 18–May 2
Swiss chardApr 18–May 16
ParsleyApr 18–May 9
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsSep 29–Nov 3
GarlicSep 22–Oct 27
Daffodil bulbsSep 15–Oct 27
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesApr 4–Apr 18
AsparagusApr 4–Apr 18

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FApr 20May 2May 18Sep 29Oct 13Oct 25
Hard freeze, 28°FApr 5Apr 20May 4Oct 6Oct 22Nov 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

All 11 cities in New Mexico