Frost dates for Pecos National Monument, NM
At Pecos National Monument, the median last spring frost (32°F) is May 15 and the median first fall frost is Oct 3, for a typical growing season of 138 days. For a 90% chance that the last frost has passed, wait until May 31. Nearby ZIP codes are in USDA hardiness zones 6a to 6b.
- May 15Last spring frost (median)50% chance of 32°F after this date
- May 31Safer planting date10% chance of 32°F after this date
- Oct 3First fall frost (median)50% chance of 32°F by this date
- 138 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | May 14 | May 28 | Jun 9 |
| 32°F | May 2 | May 15 | May 31 |
| 28°F | Apr 22 | May 4 | May 19 |
| 24°F | Apr 8 | Apr 23 | May 9 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Sep 10 | Sep 25 | Oct 5 |
| 32°F | Sep 19 | Oct 3 | Oct 15 |
| 28°F | Sep 29 | Oct 13 | Oct 26 |
| 24°F | Oct 9 | Oct 23 | Nov 5 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 98 days | 119 days | 134 days |
| 32°F | 118 days | 138 days | 157 days |
| 28°F | 139 days | 159 days | 176 days |
| 24°F | 160 days | 182 days | 201 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 87535 | 6b | -5 to 0°F | 6 km |
| 87538 | 6b | -5 to 0°F | 15 km |
| 87552 | 6b | -5 to 0°F | 15 km |
| 87562 | 6b | -5 to 0°F | 16 km |
| 87565 | 6b | -5 to 0°F | 20 km |
| 87573 | 6a | -10 to -5°F | 25 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00296676, at 35.5489, -105.6886, elevation 2096 m (6,878 ft).
- Data quality: Representative (10+ years), 22 years of freeze data.
- Average days per year at or below 32°F: 174.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Santa Fe Seton (23 km)
- Santa Fe 2 (27 km)
- Santa Fe Co Muni Airport (37 km)
- Las Vegas Wastewater Plant (43 km)
- Villanueva (43 km)
- Gascon (44 km)
- Stanley 2 NNE (47 km)
- Las Vegas Muni Airport (51 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.