Corona de Tucson, AZ climate
Corona de Tucson has mild winters and hot summers, with very little rain. A typical July afternoon reaches 96°, a January night drops to 36°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decade7° cooler than normal today. The forecast high is 80°, and a typical Oct 1 in Corona de Tucson peaks around 87°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Corona de Tucson feels like
Winter
Spring
Summer
Fall
Corona de Tucson 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 | 64° | 36° | 1.0" | 0 | 4 | 0 | 45° – 56° |
| February | 67° | 38° | 1.1" | 0 | 4 | 0 | 47° – 58° |
| March | 72° | 43° | 0.7" | 0.1" | 3 | 0 | 51° – 63° |
| April | 80° | 48° | 0.4" | 0 | 2 | 0 | 58° – 68° |
| May | 88° | 55° | 0.2" | 0 | 1 | 0 | 65° – 76° |
| June | 97° | 65° | 0.3" | 0 | 2 | 0 | 76° – 84° |
| July | 96° | 71° | 3.1" | 0 | 10 | 0 | 80° – 86° |
| August | 94° | 70° | 2.7" | 0 | 10 | 0 | 80° – 87° |
| September | 91° | 64° | 1.8" | 0 | 5 | 0 | 74° – 80° |
| October | 83° | 53° | 0.9" | 0 | 3 | 0 | 65° – 72° |
| November | 73° | 42° | 0.8" | 0 | 2 | 0 | 49° – 65° |
| December | 63° | 36° | 1.3" | 0 | 4 | 0 | 45° – 54° |
| Year | 81° | 52° | 14.2" | 0.1" | 51 | 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 Corona de Tucson
Corona de Tucson 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 51 days a year.
About 276 frost-free days a year
In half of years the last 32° night comes by February 25 and the first one by November 27. That leaves about 276 frost-free days for gardens, longer than 93% of U.S. towns.
Heating and cooling a home in Corona de Tucson
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Corona de Tucson, 36% of that work is heating and 64% 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 Corona de Tucson 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 Corona de Tucson averaged 1.4° warmer than the 1900s. The biggest change is in March (+2.3°). The shift is larger than in 65% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Corona de Tucson’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 49° to 65°. July is the most reliable, staying within 6°.
Common questions about Corona de Tucson’s climate
What is the coldest month in Corona de Tucson?
December, with a typical high of 63° and a low of 36°.
What is the hottest month in Corona de Tucson?
June, with a typical high of 97° and a low of 65°. About 151 days a year reach 90°.
How much snow does Corona de Tucson get?
Almost none. A normal year brings 0.1 inches.
When is the first frost in Corona de Tucson?
In half of years the first 32° night comes by November 27, and the last spring frost by February 25.
What is the rainiest month in Corona de Tucson?
July, with 3.1 inches of rain and melted snow. The year totals 14 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Corona de Tucson itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Green Valley, AZ (13 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.