Rancho Grande, NM climate
Rancho Grande has chilly winters and warm summers, with very little rain. A typical July afternoon reaches 88°, a January night drops to 20°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Rancho Grande feels like
Winter
Spring
Summer
Fall
Rancho Grande weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 54° | 20° | 1.1" | 32° – 42° |
| February | 57° | 23° | 0.9" | 35° – 46° |
| March | 63° | 26° | 0.7" | 37° – 50° |
| April | 70° | 31° | 0.5" | 44° – 56° |
| May | 78° | 38° | 0.4" | 53° – 63° |
| June | 88° | 46° | 0.4" | 63° – 70° |
| July | 88° | 54° | 2.7" | 68° – 75° |
| August | 85° | 53° | 3.0" | 66° – 73° |
| September | 81° | 46° | 2.0" | 60° – 66° |
| October | 72° | 35° | 1.3" | 50° – 58° |
| November | 61° | 25° | 0.9" | 36° – 52° |
| December | 53° | 19° | 1.1" | 31° – 42° |
| Year | 71° | 35° | 15.0" |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Rancho Grande
Rancho Grande gets 15 inches of rain and melted snow a year. August is the wettest month and May the driest.
About 127 frost-free days a year
In half of years the last 32° night comes by May 30 and the first one by October 3. That leaves about 127 frost-free days for gardens, shorter than 96% of U.S. towns.
Heating and cooling a home in Rancho Grande
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Rancho Grande, 89% of that work is heating and 11% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Rancho Grande compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Rancho Grande averaged 1.3° warmer than the 1900s. The biggest change is in January (+2.3°). The shift is larger than in 54% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Rancho Grande’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. November swings the most: between 1991 and 2020 its average temperature ranged from 36° to 52°. September is the most reliable, staying within 6°.
Common questions about Rancho Grande’s climate
What is the coldest month in Rancho Grande?
December, with a typical high of 53° and a low of 19°.
What is the hottest month in Rancho Grande?
June, with a typical high of 88° and a low of 46°. About 63 days a year reach 90°.
When is the first frost in Rancho Grande?
In half of years the first 32° night comes by October 3, and the last spring frost by May 30.
What is the rainiest month in Rancho Grande?
August, with 3.0 inches of rain and melted snow. The year totals 15 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Rancho Grande itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Reserve Rs, NM (5 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.