Tombstone, AZ climate
Tombstone has mild winters and hot summers, with very little rain. A typical July afternoon reaches 93°, a January night drops to 34°, and about 1 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade6° cooler than normal today. The forecast high is 78°, and a typical Oct 1 in Tombstone peaks around 84°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Tombstone feels like
Winter
Spring
Summer
Fall
Tombstone 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 | 62° | 34° | 0.9" | 0.5" | 4 | 0 | 43° – 52° |
| February | 65° | 36° | 0.8" | 0.1" | 4 | 0 | 45° – 55° |
| March | 71° | 40° | 0.7" | 0 | 3 | 0 | 51° – 60° |
| April | 78° | 45° | 0.2" | 0 | 1 | 0 | 56° – 67° |
| May | 86° | 53° | 0.2" | 0 | 1 | 0 | 64° – 74° |
| June | 95° | 62° | 0.5" | 0 | 3 | 0 | 73° – 82° |
| July | 93° | 66° | 3.2" | 0 | 10 | 0 | 76° – 83° |
| August | 91° | 66° | 3.2" | 0 | 11 | 0 | 75° – 85° |
| September | 88° | 60° | 1.7" | 0 | 6 | 0 | 70° – 77° |
| October | 81° | 49° | 0.7" | 0 | 3 | 0 | 62° – 69° |
| November | 70° | 40° | 0.6" | 0.4" | 3 | 0 | 47° – 63° |
| December | 61° | 33° | 0.9" | 0.2" | 4 | 0 | 43° – 52° |
| Year | 78° | 49° | 13.4" | 1.2" | 53 | 1 |
“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 Tombstone
Tombstone 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 53 days a year.
About 264 frost-free days a year
In half of years the last 32° night comes by March 4 and the first one by November 29. That leaves about 264 frost-free days for gardens, longer than 92% of U.S. towns.
Heating and cooling a home in Tombstone
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Tombstone, 47% of that work is heating and 53% 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 Tombstone 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 Tombstone averaged 1.5° warmer than the 1900s. The biggest change is in March (+2.5°). The shift is larger than in 71% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Tombstone’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 47° to 63°. July is the most reliable, staying within 6°.
Common questions about Tombstone’s climate
What is the coldest month in Tombstone?
December, with a typical high of 61° and a low of 33°.
What is the hottest month in Tombstone?
June, with a typical high of 95° and a low of 62°. About 101 days a year reach 90°.
How much snow does Tombstone get?
About 1 inches in a normal winter, most of it in January.
When is the first frost in Tombstone?
In half of years the first 32° night comes by November 29, and the last spring frost by March 4.
What is the rainiest month in Tombstone?
August, with 3.2 inches of rain and melted snow. The year totals 13 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Tombstone itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Tombstone, AZ (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.