Last frost date in Alamogordo, NM
Expect the last frost in Alamogordo around March 9. Frost after March 31 happens in only one year out of ten. The first fall frost usually arrives about November 18, which leaves 251 frost-free days. An early freeze before November 3 happens one year in ten.
- Safe after (10% risk)
- Mar 31
- Average first frost
- Nov 18
- Frost-free season
- 251 days
- Hard freeze (28°F) ends
- Feb 18
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2259°
- FriOct 2354°
- SatOct 2450°
- SunOct 2548°
- MonOct 2647°
- TueOct 2747°
- WedOct 2849°
Planting calendar for Alamogordo
Windows count forward or back from the average frost dates above. Click a crop for dates across New Mexico.
TomatoesMar 16–Mar 30
PumpkinsMar 23–Apr 6
SunflowersMar 9–Mar 30
CucumbersMar 23–Mar 30
CornMar 16–Mar 30
Sweet potatoesMar 30–Apr 13
WatermelonMar 23–Apr 6
Green beansMar 16–Apr 6
ZucchiniMar 16–Mar 30
OkraMar 30–Apr 13
PeppersMar 23–Apr 6
BasilMar 16–Mar 30
Butternut squashMar 16–Mar 30
CantaloupeMar 23–Apr 6
EggplantMar 23–Apr 6
PotatoesFeb 9–Feb 23
OnionsJan 26–Feb 16
CarrotsFeb 16–Mar 23
LettuceFeb 23–Mar 16
BroccoliFeb 9–Feb 23
BeetsFeb 9–Mar 23
PeasJan 26–Feb 9
CabbageFeb 9–Feb 23
RadishesFeb 2–Mar 16
Brussels sproutsFeb 23–Mar 9
SpinachJan 26–Feb 16
CilantroFeb 23–Mar 16
KaleFeb 9–Feb 23
Collard greensFeb 9–Feb 23
TurnipsFeb 9–Feb 23
DillMar 9–Mar 23
CeleryMar 16–Mar 23
CauliflowerFeb 23–Mar 9
LeeksFeb 23–Mar 9
Swiss chardFeb 23–Mar 23
ParsleyFeb 23–Mar 16
Tulip bulbsNov 4–Dec 9
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
StrawberriesFeb 9–Feb 23
AsparagusFeb 9–Feb 23Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Feb 18 | Mar 9 | Mar 31 | Nov 3 | Nov 18 | Dec 3 |
| Hard freeze, 28°F | Jan 26 | Feb 18 | Mar 17 | Nov 14 | Nov 29 | Dec 14 |
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 Alamogordo (USC00290199) sits 2.4 miles from the center of Alamogordo at 4,380 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 Alamogordo, NM?
The average last frost date in Alamogordo is March 9, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 31.
When is the first frost in Alamogordo?
The first frost in fall usually comes around November 18. One year in ten it arrives before November 3.
How long is the growing season in Alamogordo?
About 251 days between the average last and first frost.
When should I plant tomatoes in Alamogordo?
Plant tomato seedlings outside from March 16 to March 30. Start seeds indoors six to eight weeks earlier.
Nearby in New Mexico
- Las CrucesMar 12
- RoswellApr 13
- CarlsbadMar 17
- South ValleyApr 18
- AlbuquerqueApr 23
- HobbsMar 28
- Rio RanchoApr 8
- Santa FeMay 14
- ClovisApr 14
- FarmingtonMay 2