Alamo’s winters are colder but less snowy than most of the U.S.
A typical July afternoon reaches 89°, a January night drops to 18°, and about 7 inches of snow falls in a normal winter.
A year in Alamo at a glance
Each month’s typical high and low, and what it brings.
What stands out about Alamo’s climate
Compared with towns across the U.S., with Alamo’s place in New Mexico beside it.
What a year in Alamo feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 137 frost-free days a year
In half of years the last 32° night comes by May 19 and the first by October 4. Frost and day counts come from Augustine 2e, NM, 25 miles away.
The 2023 USDA map puts Alamo’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 1°. 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 7 inches of snow a winter
Snow, measured at Augustine 2e, NM, falls mostly in December. Precipitation (rain plus melted snow) adds up to 10 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 48 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Alamo
95% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Augustine 2e, NM.
Living with Alamo’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
137 frost-free days in zone 7a. The last frost comes by May 19 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 4.
Months with highs of 62–84° and lows of 40° or more: May and September. 9.1 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Alamo from natural hazards, river flooding is the largest share (58%); heat waves, cold waves, winter storms and ice storms together are 9%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Alamo and similar climates
TownRatings has no climate map of the towns around Alamo yet.
Climates most like Alamo’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 |
|---|---|---|---|---|
| Alamo, NM | 18° | 89° | 10" | 6.6" |
| Price, UT | 14° | 92° | 9" | 8.7" |
| Johnson Lane, NV | 22° | 91° | 10" | 14" |
| Blackfoot, ID | 16° | 88° | 11" | 15" |
| Pueblo West, CO | 19° | 92° | 12" | 15" |
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 Alamo averaged 1.6° warmer than the 1900s. The biggest change is in March (+2.8°).
A bigger shift than in 65% 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 Alamo compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Alamo’s place among New Mexico’s.
Alamo weather by month
Highs, lows and precipitation from NOAA’s grid at Alamo’s center; snow, wet days and snow on the ground from Augustine 2e, NM. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 49° | 18° | 0.4" | 1.4" | 3 | 0 | 27° – 39° |
| February | 55° | 22° | 0.3" | 1.5" | 3 | 0 | 33° – 43° |
| March | 63° | 27° | 0.4" | 0.8" | 3 | 0 | 40° – 49° |
| April | 69° | 33° | 0.3" | 0.1" | 2 | 0 | 45° – 56° |
| May | 79° | 41° | 0.5" | 0.0" | 3 | 0 | 54° – 65° |
| June | 89° | 50° | 0.4" | 0.0" | 3 | 0 | 65° – 73° |
| July | 89° | 56° | 2.2" | 0.0" | 9 | 0 | 70° – 77° |
| August | 86° | 55° | 2.1" | 0.0" | 9 | 0 | 67° – 74° |
| September | 81° | 47° | 1.4" | 0.0" | 6 | 0 | 59° – 67° |
| October | 71° | 35° | 0.8" | 0.4" | 4 | 0 | 50° – 58° |
| November | 59° | 24° | 0.5" | 0.5" | 3 | 0 | 35° – 48° |
| December | 50° | 17° | 0.6" | 1.9" | 3 | 0 | 28° – 40° |
| Year | 70° | 35° | 9.8" | 6.6" | 48 | 1 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 35° to 48°. August is the most reliable, staying within 7°.
Where Alamo’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 Alamo’s center.
- Snow: Augustine 2e, NM.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Augustine 2e, NM, 25 miles from the town’s center, 670 ft higher; no station nearby passes every check; this is the nearest one in the same valley, flagged above.
- 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 Alamo’s climate
What is the weather like in Alamo?
A typical July afternoon reaches 89°, a January night drops to 18°, and about 7 inches of snow falls in a normal winter. Colder January nights than 70% of U.S. towns; hotter July afternoons than 74% of U.S. towns.
How cold does it get in Alamo in winter?
December nights average 17°. About 176 nights a year reach 32° or below and 4 reach 0° or below. In the coldest December of the last 30 years the month averaged 28°.
How much snow does Alamo get?
About 6.6 inches in a normal winter at Augustine 2e, NM, most of it in December, with snow on the ground about 1 days a year.
How hot does it get in Alamo?
July, with a typical high of 89° and a low of 56°. About 11 days a year reach 90° (Augustine 2e, NM).
When is the first and last frost in Alamo?
In half of years the last spring frost (32°) comes by May 19 and the first fall frost by October 4, about 137 frost-free days, at Augustine 2e, NM.
What growing zone is Alamo in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 1°.
What is the best time of year to visit Alamo?
By one simple rule (highs of 62–84° and lows of 40° or more), May and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Alamo getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 65% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Alamo.
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.