Goodyear, AZ climate
Goodyear has mild winters and scorching summers, with very little rain. A typical July afternoon reaches 106°, a January night drops to 40°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Goodyear feels like
Winter
Spring
Summer
Fall
Goodyear 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 | 68° | 40° | 0.8" | 0 | 4 | 0 | 50° – 58° |
| February | 71° | 42° | 1.0" | 0 | 5 | 0 | 51° – 62° |
| March | 78° | 48° | 0.9" | 0 | 3 | 0 | 56° – 69° |
| April | 86° | 53° | 0.2" | 0 | 1 | 0 | 64° – 74° |
| May | 95° | 61° | 0.1" | 0 | 1 | 0 | 73° – 83° |
| June | 104° | 70° | 0.0" | 0 | 1 | 0 | 82° – 91° |
| July | 106° | 78° | 0.8" | 0 | 4 | 0 | 89° – 95° |
| August | 104° | 78° | 1.1" | 0 | 5 | 0 | 87° – 95° |
| September | 100° | 71° | 0.6" | 0 | 3 | 0 | 82° – 88° |
| October | 89° | 58° | 0.4" | 0 | 2 | 0 | 70° – 78° |
| November | 76° | 46° | 0.6" | 0 | 2 | 0 | 53° – 67° |
| December | 66° | 39° | 0.8" | 0 | 4 | 0 | 50° – 56° |
| Year | 87° | 57° | 7.4" | 0.0" | 34 | 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 Goodyear
Goodyear gets 7 inches of rain and melted snow a year. August is the wettest month and June the driest. Rain or snow falls on about 34 days a year.
About 298 frost-free days a year
In half of years the last 32° night comes by February 13 and the first one by December 5. That leaves about 298 frost-free days for gardens, longer than 95% of U.S. towns.
Heating and cooling a home in Goodyear
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Goodyear, 24% of that work is heating and 76% is cooling, so air conditioning is the bigger bill.
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 Goodyear 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 Goodyear averaged 2.2° warmer than the 1900s. The biggest change is in March (+2.8°). The shift is larger than in 97% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Goodyear’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 53° to 67°. July is the most reliable, staying within 6°.
Common questions about Goodyear’s climate
What is the coldest month in Goodyear?
December, with a typical high of 66° and a low of 39°.
What is the hottest month in Goodyear?
July, with a typical high of 106° and a low of 78°. About 179 days a year reach 90°.
How much snow does Goodyear get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Goodyear?
In half of years the first 32° night comes by December 5, and the last spring frost by February 13.
What is the rainiest month in Goodyear?
August, with 1.1 inches of rain and melted snow. The year totals 7 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Goodyear itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Tempe Asu, AZ (16 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.