Willow Canyon, AZ climate
Willow Canyon has mild winters and pleasant summers. A typical July afternoon reaches 79°, a January night drops to 30°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Willow Canyon feels like
Winter
Spring
Summer
Fall
Willow Canyon 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 | 48° | 30° | 2.6" | 34° – 44° |
| February | 50° | 31° | 2.8" | 34° – 45° |
| March | 55° | 33° | 1.9" | 38° – 49° |
| April | 61° | 38° | 0.7" | 43° – 54° |
| May | 70° | 45° | 0.5" | 52° – 62° |
| June | 80° | 55° | 0.5" | 62° – 71° |
| July | 79° | 58° | 4.2" | 65° – 71° |
| August | 77° | 56° | 3.8" | 64° – 72° |
| September | 74° | 53° | 2.7" | 59° – 66° |
| October | 66° | 44° | 1.1" | 52° – 59° |
| November | 56° | 37° | 1.8" | 39° – 54° |
| December | 48° | 30° | 2.5" | 35° – 43° |
| Year | 64° | 42° | 25.1" |
“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 Willow Canyon
Willow Canyon gets 25 inches of rain and melted snow a year. July is the wettest month and May the driest.
About 229 frost-free days a year
In half of years the last 32° night comes by April 1 and the first one by November 19. That leaves about 229 frost-free days for gardens, longer than 86% of U.S. towns.
Heating and cooling a home in Willow Canyon
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Willow Canyon, 85% of that work is heating and 15% 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 Willow Canyon 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 Willow Canyon averaged 1.4° warmer than the 1900s. The biggest change is in March (+2.4°). The shift is larger than in 61% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Willow Canyon’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 39° to 54°. July is the most reliable, staying within 6°.
Common questions about Willow Canyon’s climate
What is the coldest month in Willow Canyon?
January, with a typical high of 48° and a low of 30°.
What is the hottest month in Willow Canyon?
June, with a typical high of 80° and a low of 55°. About 5 days a year reach 90°.
When is the first frost in Willow Canyon?
In half of years the first 32° night comes by November 19, and the last spring frost by April 1.
What is the rainiest month in Willow Canyon?
July, with 4.2 inches of rain and melted snow. The year totals 25 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Willow Canyon itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mt Lemmon Willow Canyon, AZ (1 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.