Photo: B575 · CC BY-SA 3.0Santa Teresa reaches 100° on about 23 days a year, more than 97% of U.S. towns
Nights in January average 33°. Rain follows the seasons: July brings about 15 times as much as April. Its yearly precipitation falls short of 98% of U.S. towns. Warm coats and heating bills mark the months from December to January, when means dip under 50°.
A year in Santa Teresa at a glance
Each month’s typical high and low, and what it brings.
What stands out about Santa Teresa’s climate
Compared with towns across the U.S., with Santa Teresa’s place in New Mexico beside it.
What a year in Santa Teresa feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 231 frost-free days a year
In half of years the last 32° night comes by March 23 and the first by November 11. Frost and day counts come from NOAA’s station at Santa Teresa Airport, 1.4 miles from the town’s center, 180 ft higher.
The 2023 USDA map puts Santa Teresa’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 15°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 2 inches of snow a winter
Snow, measured at Santa Teresa Airport, falls mostly in December. Precipitation (rain plus melted snow) adds up to 9 inches a year; July is the wettest month and April the driest. Rain or snow falls on about 45 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Santa Teresa
57% of the work is heating. Months averaging under 55° run from November through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Santa Teresa Airport.
Living with Santa Teresa’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
231 frost-free days in zone 8b. The last frost comes by Mar 23 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 11.
Months with highs of 62–84° and lows of 40° or more: March, April and October. 3.5 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Santa Teresa from natural hazards, river flooding is the largest share (60%); heat waves, cold waves, winter storms and ice storms together are 19%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Santa Teresa and similar climates
TownRatings has no climate map of the towns around Santa Teresa yet.
Climates most like Santa Teresa’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Santa Teresa, NM | 33° | 95° | 9" | 2.0" |
| Fort Stockton, TX | 33° | 96° | 13" | 1.4" |
| Yucca Valley, CA | 37° | 96° | 10" | 1.7" |
| Benson, AZ | 34° | 94° | 14" | 1.2" |
| Hermiston, OR | 29° | 91° | 9" | 3.7" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Santa Teresa averaged 1.8° warmer than the 1900s. The biggest change is in March (+2.7°).
A bigger shift than in 81% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Santa Teresa compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Santa Teresa’s place among New Mexico’s.
Santa Teresa weather by month
Highs, lows and precipitation from NOAA’s grid at Santa Teresa’s center; snow, wet days and snow on the ground from Santa Teresa Airport. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 58° | 33° | 0.5" | 0.3" | 3 | 0 | 41° – 50° |
| February | 64° | 37° | 0.4" | 0.2" | 3 | 0 | 45° – 55° |
| March | 72° | 42° | 0.2" | 0.0" | 2 | 0 | 53° – 63° |
| April | 79° | 49° | 0.2" | 0.0" | 2 | 0 | 59° – 69° |
| May | 88° | 58° | 0.3" | 0.0" | 2 | 0 | 69° – 77° |
| June | 96° | 68° | 0.6" | 0.0" | 3 | 0 | 78° – 86° |
| July | 95° | 71° | 2.2" | 0.0" | 8 | 0 | 78° – 87° |
| August | 93° | 69° | 1.7" | 0.0" | 7 | 0 | 77° – 86° |
| September | 88° | 63° | 1.5" | 0.0" | 6 | 0 | 70° – 79° |
| October | 79° | 51° | 0.7" | 0.1" | 5 | 0 | 62° – 70° |
| November | 67° | 40° | 0.5" | 0.2" | 2 | 0 | 47° – 60° |
| December | 58° | 32° | 0.6" | 1.2" | 3 | 0 | 40° – 49° |
| Year | 78° | 51° | 9.4" | 2.0" | 45 | 1 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 47° to 60°. June is the most reliable, staying within 7°.
Where Santa Teresa’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Santa Teresa’s center.
- Snow: Santa Teresa Airport (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Santa Teresa Airport, 1.4 miles from the town’s center, 180 ft higher; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Santa Teresa’s climate
What is the weather like in Santa Teresa?
A typical July afternoon reaches 95°, a January night drops to 33°, and about 2 inches of snow falls in a normal winter. Milder January nights than 76% of U.S. towns; hotter July afternoons than 95% of U.S. towns.
How cold does it get in Santa Teresa in winter?
December nights average 32°. About 65 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 40°.
How much snow does Santa Teresa get?
About 2.0 inches in a normal winter at Santa Teresa Airport, most of it in December, with snow on the ground about 1 days a year.
How hot does it get in Santa Teresa?
July, with a typical high of 95° and a low of 71°. About 107 days a year reach 90° and 23 reach 100° (Santa Teresa Airport).
When is the first and last frost in Santa Teresa?
In half of years the last spring frost (32°) comes by March 23 and the first fall frost by November 11, about 231 frost-free days, at Santa Teresa Airport.
What growing zone is Santa Teresa in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 15°.
What is the best time of year to visit Santa Teresa?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Santa Teresa getting warmer?
Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 81% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Santa Teresa.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.