McNary, AZ climate
McNary has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 81°, a January night drops to 21°, and about 66 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in McNary feels like
Winter
Spring
Summer
Fall
McNary 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 | 45° | 21° | 2.3" | 14.8" | 8 | 20 | 26° – 39° |
| February | 48° | 24° | 2.1" | 13.9" | 7 | 17 | 29° – 41° |
| March | 54° | 27° | 1.9" | 11.9" | 8 | 10 | 34° – 45° |
| April | 61° | 32° | 0.9" | 4.7" | 5 | 3 | 40° – 51° |
| May | 69° | 39° | 0.7" | 0.6" | 5 | 0 | 49° – 59° |
| June | 80° | 48° | 0.6" | 0 | 4 | 0 | 59° – 68° |
| July | 81° | 54° | 3.6" | 0 | 15 | 0 | 64° – 70° |
| August | 78° | 53° | 3.8" | 0 | 17 | 0 | 63° – 70° |
| September | 74° | 47° | 2.0" | 0 | 10 | 0 | 56° – 63° |
| October | 65° | 37° | 1.7" | 2.1" | 6 | 1 | 47° – 55° |
| November | 54° | 27° | 1.6" | 5.2" | 5 | 5 | 33° – 49° |
| December | 45° | 21° | 2.2" | 12.8" | 8 | 14 | 27° – 37° |
| Year | 63° | 36° | 23.4" | 66.0" | 97 | 70 |
“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 McNary
McNary gets 23 inches of rain and melted snow a year. August is the wettest month and June the driest. Rain or snow falls on about 97 days a year. Snow covers the ground about 70 days of the year.
About 142 frost-free days a year
In half of years the last 32° night comes by May 20 and the first one by October 11. That leaves about 142 frost-free days for gardens, shorter than 88% of U.S. towns.
Heating and cooling a home in McNary
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In McNary, 98% of that work is heating and 2% 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.
McNary and its neighbors
McNary borders 2 towns with climate data. January nights across them vary by 0.4°. Pinetop Country Club has the coldest January nights (21°) and Hondah the hottest July afternoons (82°). McNary’s January low is 21° and its July high 81°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How McNary 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 McNary averaged 1.2° warmer than the 1900s. The biggest change is in June (+2.1°). The shift is larger than in 51% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at McNary’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 33° to 49°. July is the most reliable, staying within 6°.
Common questions about McNary’s climate
What is the coldest month in McNary?
January, with a typical high of 45° and a low of 21°.
What is the hottest month in McNary?
July, with a typical high of 81° and a low of 54°. About 2 days a year reach 90°.
How much snow does McNary get?
About 66 inches in a normal winter, most of it in January.
When is the first frost in McNary?
In half of years the first 32° night comes by October 11, and the last spring frost by May 20.
What is the rainiest month in McNary?
August, with 3.8 inches of rain and melted snow. The year totals 23 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for McNary itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mc Nary 2n, AZ (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.