Ozona, TX climate
Ozona has mild winters and hot summers, with very little rain. A typical July afternoon reaches 94°, a January night drops to 33°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Ozona feels like
Winter
Spring
Summer
Fall
Ozona weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 60° | 33° | 0.9" | 41° – 52° |
| February | 65° | 37° | 0.9" | 45° – 57° |
| March | 72° | 45° | 1.3" | 53° – 63° |
| April | 80° | 52° | 1.4" | 59° – 72° |
| May | 87° | 61° | 2.5" | 70° – 80° |
| June | 92° | 69° | 2.2" | 76° – 85° |
| July | 94° | 71° | 1.6" | 77° – 87° |
| August | 94° | 70° | 2.1" | 78° – 86° |
| September | 87° | 63° | 2.5" | 71° – 81° |
| October | 79° | 53° | 2.2" | 64° – 70° |
| November | 68° | 42° | 1.1" | 49° – 60° |
| December | 61° | 34° | 0.9" | 43° – 53° |
| Year | 78° | 52° | 19.4" |
“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 Ozona
Ozona gets 19 inches of rain and melted snow a year. May is the wettest month and December the driest.
About 227 frost-free days a year
In half of years the last 32° night comes by March 21 and the first one by November 6. That leaves about 227 frost-free days for gardens, longer than 85% of U.S. towns.
Heating and cooling a home in Ozona
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Ozona, 51% of that work is heating and 49% 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 Ozona 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 Ozona averaged 0.9° warmer than the 1900s. The biggest change is in March (+2.0°). The shift is smaller than in 74% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Ozona’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. April swings the most: between 1991 and 2020 its average temperature ranged from 59° to 72°. October is the most reliable, staying within 6°.
Common questions about Ozona’s climate
What is the coldest month in Ozona?
January, with a typical high of 60° and a low of 33°.
What is the hottest month in Ozona?
August, with a typical high of 94° and a low of 70°. About 102 days a year reach 90°.
When is the first frost in Ozona?
In half of years the first 32° night comes by November 6, and the last spring frost by March 21.
What is the rainiest month in Ozona?
May, with 2.5 inches of rain and melted snow. The year totals 19 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Ozona itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Ozona, TX (1 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.