Bentley, L.B., General Merchandise · Photo: AllenS · Public domainHardly any U.S. towns collect less precipitation than Organ: 11 inches a year
High summer brings afternoon highs near 92°. In July, afternoons here are warmer than in 86% of U.S. towns. Decade by decade the climate has edged up, 1.9° above 1901–2000. Keep the boiler serviced for the months from December to February, which average under 50°.
A year in Organ at a glance
Each month’s typical high and low, and what it brings.
What stands out about Organ’s climate
Compared with towns across the U.S., with Organ’s place in New Mexico beside it.
What a year in Organ feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 181 frost-free days a year
In half of years the last 32° night comes by April 24 and the first by October 24. Frost and day counts come from Las Cruces 20 N, NM, 15 miles away.
The 2023 USDA map puts Organ’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 1 inches of snow a winter
Snow, measured at State Univ, NM, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 11 inches a year; July is the wettest month and April the driest. Rain or snow falls on about 47 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Organ
70% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Las Cruces 20 N, NM.
Living with Organ’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
181 frost-free days in zone 8b. The last frost comes by Apr 24 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 24.
Months with highs of 62–84° and lows of 40° or more: April, May and October. 0.5 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Organ from natural hazards, river flooding is the largest share (70%); heat waves, cold waves, winter storms and ice storms together are 14%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Organ and similar climates
TownRatings has no climate map of the towns around Organ yet.
Climates most like Organ’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 |
|---|---|---|---|---|
| Organ, NM | 31° | 92° | 11" | 1.0" |
| Finley, WA | 29° | 91° | 9" | 2.0" |
| Sierra Vista, AZ | 32° | 91° | 14" | 0.4" |
| Hermiston, OR | 29° | 91° | 9" | 3.7" |
| Alpine, TX | 30° | 90° | 15" | 2.2" |
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 Organ averaged 1.9° warmer than the 1900s. The biggest change is in March (+2.6°).
A bigger shift than in 85% 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 Organ compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Organ’s place among New Mexico’s.
Organ weather by month
Highs, lows and precipitation from NOAA’s grid at Organ’s center; snow, wet days and snow on the ground from State Univ, NM. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 55° | 31° | 0.5" | 0.4" | 3 | 0 | 38° – 47° |
| February | 60° | 35° | 0.5" | 0.1" | 3 | 0 | 42° – 52° |
| March | 67° | 40° | 0.3" | 0.0" | 2 | 0 | 49° – 59° |
| April | 75° | 46° | 0.2" | 0.0" | 2 | 0 | 55° – 65° |
| May | 83° | 54° | 0.4" | 0.0" | 2 | 0 | 66° – 74° |
| June | 93° | 64° | 0.7" | 0.0" | 3 | 0 | 73° – 82° |
| July | 92° | 67° | 2.4" | 0.0" | 9 | 0 | 75° – 83° |
| August | 90° | 66° | 2.1" | 0.0" | 8 | 0 | 75° – 82° |
| September | 84° | 61° | 1.6" | 0.0" | 5 | 0 | 67° – 76° |
| October | 75° | 50° | 1.0" | 0.1" | 4 | 0 | 60° – 67° |
| November | 64° | 39° | 0.5" | 0.0" | 3 | 0 | 46° – 58° |
| December | 54° | 31° | 0.7" | 0.4" | 3 | 0 | 38° – 47° |
| Year | 74° | 49° | 10.8" | 1.0" | 47 | 1 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 46° to 58°. October is the most reliable, staying within 7°.
Where Organ’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 Organ’s center.
- Snow: State Univ, NM.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Las Cruces 20 N, NM, 15 miles from the town’s center, 760 ft lower; 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 Organ’s climate
What is the weather like in Organ?
A typical July afternoon reaches 92°, a January night drops to 31°, and about 1 inches of snow falls in a normal winter. Milder January nights than 73% of U.S. towns; hotter July afternoons than 86% of U.S. towns.
How cold does it get in Organ in winter?
January nights average 31°. About 116 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 38°.
How much snow does Organ get?
About 1.0 inches in a normal winter at State Univ, NM, most of it in January and December, with snow on the ground about 1 days a year.
How hot does it get in Organ?
July, with a typical high of 92° and a low of 67°. About 96 days a year reach 90° and 15 reach 100° (Las Cruces 20 N, NM).
When is the first and last frost in Organ?
In half of years the last spring frost (32°) comes by April 24 and the first fall frost by October 24, about 181 frost-free days, at Las Cruces 20 N, NM.
What growing zone is Organ 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 Organ?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Organ getting warmer?
Yes: 1991–2020 averaged 1.9° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 85% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Organ.
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.