Rincon Valley, AZ climate
Rincon Valley has mild winters and hot summers, with very little rain. A typical July afternoon reaches 98°, a January night drops to 36°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Rincon Valley feels like
Winter
Spring
Summer
Fall
Rincon 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 | 66° | 36° | 1.1" | 0.1" | 4 | 0 | 46° – 56° |
| February | 68° | 38° | 1.1" | 0 | 4 | 0 | 47° – 58° |
| March | 74° | 43° | 0.8" | 0 | 4 | 0 | 52° – 63° |
| April | 81° | 48° | 0.3" | 0 | 2 | 0 | 59° – 69° |
| May | 90° | 55° | 0.2" | 0 | 1 | 0 | 67° – 77° |
| June | 99° | 65° | 0.3" | 0 | 2 | 0 | 77° – 85° |
| July | 98° | 71° | 2.5" | 0 | 9 | 0 | 81° – 87° |
| August | 96° | 70° | 2.7" | 0 | 9 | 0 | 81° – 88° |
| September | 93° | 64° | 1.5" | 0 | 4 | 0 | 75° – 81° |
| October | 85° | 53° | 0.7" | 0 | 3 | 0 | 65° – 73° |
| November | 74° | 42° | 0.7" | 0 | 3 | 0 | 50° – 65° |
| December | 64° | 36° | 1.3" | 0 | 4 | 0 | 46° – 54° |
| Year | 82° | 52° | 13.2" | 0.1" | 48 | 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 Rincon Valley
Rincon Valley gets 13 inches of rain and melted snow a year. August is the wettest month and May the driest. Rain or snow falls on about 48 days a year.
About 326 frost-free days a year
In half of years the last 32° night comes by January 26 and the first one by December 16. That leaves about 326 frost-free days for gardens, longer than 96% of U.S. towns.
Heating and cooling a home in Rincon Valley
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Rincon Valley, 30% of that work is heating and 70% 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.
Rincon Valley and its neighbors
Rincon Valley borders 2 towns with climate data. January nights across them vary by 2.4°. Vail has the coldest January nights (36°) and Tucson the hottest July afternoons (100°). Rincon Valley’s January low is 36° and its July high 98°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Rincon 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 Rincon Valley averaged 1.4° warmer than the 1900s. The biggest change is in March (+2.4°). The shift is larger than in 65% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Rincon 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 50° to 65°. July is the most reliable, staying within 6°.
Common questions about Rincon Valley’s climate
What is the coldest month in Rincon Valley?
December, with a typical high of 64° and a low of 36°.
What is the hottest month in Rincon Valley?
June, with a typical high of 99° and a low of 65°. About 150 days a year reach 90°.
How much snow does Rincon Valley get?
Almost none. A normal year brings 0.1 inches.
When is the first frost in Rincon Valley?
In half of years the first 32° night comes by December 16, and the last spring frost by January 26.
What is the rainiest month in Rincon Valley?
August, with 2.7 inches of rain and melted snow. The year totals 13 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Rincon Valley itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Vail 7 N, AZ (2 mi, snow) and Saguaro Np, AZ (6 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.