Miracle Valley, AZ climate
Miracle Valley has mild winters and hot summers, with very little rain. A typical July afternoon reaches 93°, a January night drops to 31°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Miracle Valley feels like
Winter
Spring
Summer
Fall
Miracle Valley 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 | 63° | 31° | 0.9" | 0.2" | 4 | 0 | 42° – 51° |
| February | 66° | 34° | 0.7" | 0 | 4 | 0 | 45° – 55° |
| March | 72° | 38° | 0.6" | 0.1" | 3 | 0 | 50° – 60° |
| April | 79° | 43° | 0.2" | 0.1" | 2 | 0 | 56° – 66° |
| May | 87° | 50° | 0.2" | 0 | 2 | 0 | 63° – 73° |
| June | 96° | 60° | 0.5" | 0 | 3 | 0 | 73° – 81° |
| July | 93° | 65° | 3.6" | 0 | 13 | 0 | 75° – 82° |
| August | 91° | 64° | 3.5" | 0 | 13 | 0 | 75° – 83° |
| September | 89° | 58° | 1.6" | 0 | 6 | 0 | 69° – 76° |
| October | 81° | 47° | 0.7" | 0 | 3 | 0 | 61° – 68° |
| November | 71° | 37° | 0.6" | 0 | 3 | 0 | 46° – 61° |
| December | 62° | 31° | 0.9" | 0.3" | 4 | 0 | 42° – 51° |
| Year | 79° | 46° | 13.9" | 0.7" | 58 | 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 Miracle Valley
Miracle Valley gets 14 inches of rain and melted snow a year. July is the wettest month and May the driest. Rain or snow falls on about 58 days a year.
About 213 frost-free days a year
In half of years the last 32° night comes by April 7 and the first one by November 9. That leaves about 213 frost-free days for gardens, longer than 79% of U.S. towns.
Heating and cooling a home in Miracle Valley
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Miracle Valley, 67% of that work is heating and 33% 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 Miracle Valley 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 Miracle Valley averaged 1.6° warmer than the 1900s. The biggest change is in March (+2.5°). The shift is larger than in 76% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Miracle Valley’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 46° to 61°. September is the most reliable, staying within 6°.
Common questions about Miracle Valley’s climate
What is the coldest month in Miracle Valley?
December, with a typical high of 62° and a low of 31°.
What is the hottest month in Miracle Valley?
June, with a typical high of 96° and a low of 60°. About 53 days a year reach 90°.
How much snow does Miracle Valley get?
Almost none. A normal year brings 0.7 inches.
When is the first frost in Miracle Valley?
In half of years the first 32° night comes by November 9, and the last spring frost by April 7.
What is the rainiest month in Miracle Valley?
July, with 3.6 inches of rain and melted snow. The year totals 14 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Miracle Valley itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Y Lightning Rch, AZ (7 mi, snow) and Coronado Nmem, AZ (7 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.