Cross Mountain, TX climate
Cross Mountain has warm winters and hot summers. A typical July afternoon reaches 94°, a January night drops to 40°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Cross Mountain feels like
Winter
Spring
Summer
Fall
Cross Mountain 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 | 63° | 40° | 2.1" | 0 | 7 | 0 | 47° – 57° |
| February | 67° | 44° | 1.9" | 0.1" | 7 | 0 | 48° – 63° |
| March | 73° | 51° | 2.6" | 0 | 9 | 0 | 55° – 67° |
| April | 80° | 57° | 2.5" | 0 | 6 | 0 | 63° – 74° |
| May | 86° | 65° | 4.4" | 0 | 8 | 0 | 71° – 79° |
| June | 91° | 71° | 3.5" | 0 | 7 | 0 | 77° – 85° |
| July | 94° | 73° | 2.3" | 0 | 5 | 0 | 78° – 87° |
| August | 95° | 72° | 2.5" | 0 | 5 | 0 | 79° – 88° |
| September | 89° | 67° | 3.8" | 0 | 7 | 0 | 75° – 84° |
| October | 81° | 58° | 3.6" | 0 | 6 | 0 | 67° – 75° |
| November | 71° | 49° | 2.4" | 0 | 6 | 0 | 54° – 65° |
| December | 64° | 41° | 1.9" | 0.1" | 7 | 0 | 46° – 56° |
| Year | 79° | 57° | 33.4" | 0.2" | 81 | 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 Cross Mountain
Cross Mountain gets 33 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 81 days a year.
About 277 frost-free days a year
In half of years the last 32° night comes by February 26 and the first one by November 28. That leaves about 277 frost-free days for gardens, longer than 93% of U.S. towns.
Heating and cooling a home in Cross Mountain
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Cross Mountain, 31% of that work is heating and 69% 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.
Cross Mountain and its neighbors
Cross Mountain borders 2 towns with climate data. January nights across them vary by 1.3°. Scenic Oaks has the coldest January nights (40°) and San Antonio the hottest July afternoons (95°). Cross Mountain’s January low is 40° and its July high 94°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Cross Mountain 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 Cross Mountain averaged 1.0° warmer than the 1900s. The biggest change is in February (+1.9°). The shift is smaller than in 74% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Cross Mountain’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 48° to 63°. May is the most reliable, staying within 8°.
Common questions about Cross Mountain’s climate
What is the coldest month in Cross Mountain?
January, with a typical high of 63° and a low of 40°.
What is the hottest month in Cross Mountain?
August, with a typical high of 95° and a low of 72°. About 122 days a year reach 90°.
How much snow does Cross Mountain get?
Almost none. A normal year brings 0.2 inches.
When is the first frost in Cross Mountain?
In half of years the first 32° night comes by November 28, and the last spring frost by February 26.
What is the rainiest month in Cross Mountain?
May, with 4.4 inches of rain and melted snow. The year totals 33 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Cross Mountain itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at San Antonio Intl Airport, TX (13 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.