Naco, AZ climate
Naco has mild winters and warm summers, with very little rain. A typical July afternoon reaches 92°, a January night drops to 32°, and about 3 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Naco feels like
Winter
Spring
Summer
Fall
Naco weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 61° | 32° | 0.9" | 1.4" | 5 | 0 | 42° – 51° |
| February | 65° | 35° | 0.8" | 0.4" | 5 | 0 | 44° – 55° |
| March | 71° | 39° | 0.6" | 0.6" | 3 | 0 | 50° – 60° |
| April | 78° | 44° | 0.2" | 0.1" | 1 | 0 | 56° – 66° |
| May | 86° | 52° | 0.2" | 0 | 1 | 0 | 62° – 73° |
| June | 95° | 61° | 0.5" | 0 | 3 | 0 | 73° – 81° |
| July | 92° | 66° | 3.5" | 0 | 14 | 0 | 75° – 82° |
| August | 90° | 65° | 3.5" | 0 | 13 | 0 | 75° – 83° |
| September | 88° | 59° | 1.7" | 0 | 7 | 0 | 70° – 76° |
| October | 80° | 48° | 0.7" | 0 | 4 | 0 | 61° – 68° |
| November | 70° | 38° | 0.7" | 0.2" | 3 | 0 | 47° – 61° |
| December | 61° | 31° | 1.0" | 0.6" | 4 | 1 | 42° – 50° |
| Year | 78° | 47° | 14.1" | 3.3" | 60 | 1 |
“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 Naco
Naco gets 14 inches of rain and melted snow a year. August is the wettest month and May the driest. Rain or snow falls on about 60 days a year.
About 222 frost-free days a year
In half of years the last 32° night comes by April 1 and the first one by November 10. That leaves about 222 frost-free days for gardens, longer than 83% of U.S. towns.
Heating and cooling a home in Naco
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Naco, 73% of that work is heating and 27% is cooling.
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 Naco 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 Naco averaged 1.7° warmer than the 1900s. The biggest change is in March (+2.5°). The shift is larger than in 79% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Naco’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 47° to 61°. September is the most reliable, staying within 6°.
Common questions about Naco’s climate
What is the coldest month in Naco?
December, with a typical high of 61° and a low of 31°.
What is the hottest month in Naco?
June, with a typical high of 95° and a low of 61°. About 36 days a year reach 90°.
How much snow does Naco get?
About 3 inches in a normal winter, most of it in January.
When is the first frost in Naco?
In half of years the first 32° night comes by November 10, and the last spring frost by April 1.
What is the rainiest month in Naco?
August, with 3.5 inches of rain and melted snow. The year totals 14 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Naco itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Bisbee 1wnw, AZ (7 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.