Photo: This illustration was made by Peter Potrowl. Please credit this with : © Peter Potrowl in the immediate vicinity of the image. A link to my website sitemai.eu would be much appreciated but isn't mandatory. An email to Peter Potrowl would be appreciated too. Do not copy this image illegally by ignoring the terms of the license below, as it is not in the public domain. If you would like special permission to use, license, or purchase the image please contact me Peter Potrowl to negotiate terms. More free pictures in my website. Donations are accepted here and here. · CC BY-SA 3.0Less rain and snow falls on Aragon than on 94% of U.S. towns: 14 inches a year
The depth of winter brings overnight lows near 14°. August is the wettest month, May the driest. Winter nights are cold: in January they are colder than in 87% of U.S. towns. Garden planting can start around June 17; autumn frost returns near September 21.
A year in Aragon at a glance
Each month’s typical high and low, and what it brings.
What stands out about Aragon’s climate
Compared with towns across the U.S., with Aragon’s place in New Mexico beside it.
What a year in Aragon feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 93 frost-free days a year
In half of years the last 32° night comes by June 17 and the first by September 21. Frost and day counts come from NOAA’s station at Luna Rs, NM, 25 miles from the town’s center, 170 ft higher.
The 2023 USDA map puts Aragon’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −9°. 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 18 inches of snow a winter
Snow, measured at Luna Rs, NM, falls mostly in December. Precipitation (rain plus melted snow) adds up to 14 inches a year; August is the wettest month and May the driest. Rain or snow falls on about 78 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Aragon
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Luna Rs, NM.
Living with Aragon’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
93 frost-free days in zone 6a. The last frost comes by Jun 17 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 21.
Months with highs of 62–84° and lows of 40° or more: August and September. 3.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Aragon from natural hazards, river flooding is the largest share (47%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Aragon and similar climates
TownRatings has no climate map of the towns around Aragon yet.
Climates most like Aragon’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 |
|---|---|---|---|---|
| Aragon, NM | 14° | 86° | 14" | 18" |
| Shelley, ID | 14° | 87° | 11" | 15" |
| Hamilton, MT | 20° | 86° | 13" | 17" |
| Cimarron Hills, CO | 18° | 85° | 17" | 33" |
| Powell, WY | 11° | 87° | 7" | 11" |
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 Aragon averaged 1.3° warmer than the 1900s. The biggest change is in March (+2.2°).
A smaller shift than in 56% 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 Aragon compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Aragon’s place among New Mexico’s.
Aragon weather by month
Highs, lows and precipitation from NOAA’s grid at Aragon’s center; snow, wet days and snow on the ground from Luna Rs, NM. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 50° | 14° | 0.8" | 5.4" | 5 | 7 | 28° – 37° |
| February | 54° | 18° | 0.7" | 1.7" | 5 | 3 | 31° – 41° |
| March | 60° | 22° | 0.6" | 1.4" | 5 | 1 | 34° – 46° |
| April | 68° | 27° | 0.5" | 0.7" | 3 | 0 | 41° – 52° |
| May | 76° | 33° | 0.4" | 0.0" | 4 | 0 | 50° – 60° |
| June | 85° | 41° | 0.5" | 0.0" | 4 | 0 | 59° – 66° |
| July | 86° | 50° | 2.5" | 0.0" | 15 | 0 | 65° – 72° |
| August | 83° | 49° | 3.1" | 0.0" | 15 | 0 | 63° – 70° |
| September | 79° | 42° | 2.0" | 0.0" | 8 | 0 | 56° – 62° |
| October | 70° | 31° | 1.2" | 0.1" | 5 | 0 | 47° – 54° |
| November | 59° | 21° | 0.8" | 1.4" | 4 | 1 | 33° – 48° |
| December | 50° | 14° | 1.0" | 6.9" | 5 | 6 | 27° – 38° |
| Year | 68° | 30° | 14.1" | 17.6" | 78 | 18 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 33° to 48°. September is the most reliable, staying within 6°.
Where Aragon’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 Aragon’s center.
- Snow: Luna Rs, NM.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Luna Rs, NM, 25 miles from the town’s center, 170 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 Aragon’s climate
What is the weather like in Aragon?
A typical July afternoon reaches 86°, a January night drops to 14°, and about 18 inches of snow falls in a normal winter. Colder January nights than 87% of U.S. towns; hotter July afternoons than 53% of U.S. towns.
How cold does it get in Aragon in winter?
January nights average 14°. About 233 nights a year reach 32° or below and 9 reach 0° or below. In the coldest January of the last 30 years the month averaged 28°.
How much snow does Aragon get?
About 18 inches in a normal winter at Luna Rs, NM, most of it in December, with snow on the ground about 18 days a year.
How hot does it get in Aragon?
July, with a typical high of 86° and a low of 50°. About 15 days a year reach 90° (Luna Rs, NM).
When is the first and last frost in Aragon?
In half of years the last spring frost (32°) comes by June 17 and the first fall frost by September 21, about 93 frost-free days, at Luna Rs, NM.
What growing zone is Aragon in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −9°.
What is the best time of year to visit Aragon?
By one simple rule (highs of 62–84° and lows of 40° or more), August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Aragon getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 56% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Aragon.
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.