Eloy, AZ climate
Eloy has mild winters and scorching summers, with very little rain. A typical July afternoon reaches 105°, a January night drops to 39°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Eloy feels like
Winter
Spring
Summer
Fall
Eloy 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° | 39° | 0.9" | 0 | 4 | 0 | 50° – 58° |
| February | 71° | 42° | 1.0" | 0 | 4 | 0 | 51° – 61° |
| March | 78° | 47° | 0.8" | 0 | 3 | 0 | 55° – 69° |
| April | 86° | 53° | 0.3" | 0 | 1 | 0 | 63° – 74° |
| May | 95° | 61° | 0.2" | 0 | 1 | 0 | 72° – 83° |
| June | 104° | 70° | 0.1" | 0 | 1 | 0 | 81° – 91° |
| July | 105° | 77° | 1.1" | 0 | 5 | 0 | 89° – 94° |
| August | 104° | 77° | 1.5" | 0 | 6 | 0 | 88° – 94° |
| September | 99° | 70° | 0.8" | 0 | 4 | 0 | 81° – 87° |
| October | 89° | 58° | 0.5" | 0 | 3 | 0 | 70° – 79° |
| November | 77° | 46° | 0.6" | 0 | 3 | 0 | 53° – 68° |
| December | 66° | 38° | 0.9" | 0 | 4 | 0 | 49° – 56° |
| Year | 87° | 57° | 8.6" | 0.0" | 39 | 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 Eloy
Eloy gets 9 inches of rain and melted snow a year. August is the wettest month and June the driest. Rain or snow falls on about 39 days a year.
About 298 frost-free days a year
In half of years the last 32° night comes by February 7 and the first one by December 3. That leaves about 298 frost-free days for gardens, longer than 95% of U.S. towns.
Heating and cooling a home in Eloy
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Eloy, 27% of that work is heating and 73% 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.
Eloy and its neighbors
Eloy borders 4 towns with climate data. January nights across them vary by 0.6°. Casa Grande has both the coldest January nights (39°) and the hottest July afternoons (106°). Eloy’s January low is 39° and its July high 105°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Eloy 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 Eloy averaged 1.8° warmer than the 1900s. The biggest change is in March (+2.7°). The shift is larger than in 87% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Eloy’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 68°. July is the most reliable, staying within 5°.
Common questions about Eloy’s climate
What is the coldest month in Eloy?
December, with a typical high of 66° and a low of 38°.
What is the hottest month in Eloy?
July, with a typical high of 105° and a low of 77°. About 176 days a year reach 90°.
How much snow does Eloy get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Eloy?
In half of years the first 32° night comes by December 3, and the last spring frost by February 7.
What is the rainiest month in Eloy?
August, with 1.5 inches of rain and melted snow. The year totals 9 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Eloy itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Picacho 8 Se, AZ (13 mi, snow) and Robson Rch, AZ (5 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.