Mason, TX climate
Mason has mild winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 35°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Mason feels like
Winter
Spring
Summer
Fall
Mason 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 | 61° | 35° | 1.4" | 43° – 54° |
| February | 65° | 39° | 1.6" | 44° – 59° |
| March | 72° | 46° | 2.2" | 53° – 65° |
| April | 80° | 52° | 2.1" | 60° – 72° |
| May | 86° | 62° | 3.9" | 70° – 79° |
| June | 92° | 69° | 3.2" | 77° – 85° |
| July | 95° | 71° | 2.0" | 78° – 87° |
| August | 96° | 70° | 2.2" | 78° – 89° |
| September | 89° | 64° | 2.9" | 72° – 81° |
| October | 80° | 54° | 2.9" | 65° – 72° |
| November | 69° | 44° | 1.8" | 51° – 61° |
| December | 62° | 36° | 1.7" | 44° – 51° |
| Year | 79° | 53° | 28.0" |
“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 Mason
Mason gets 28 inches of rain and melted snow a year. May is the wettest month and January the driest.
About 241 frost-free days a year
In half of years the last 32° night comes by March 18 and the first one by November 13. That leaves about 241 frost-free days for gardens, longer than 89% of U.S. towns.
Heating and cooling a home in Mason
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Mason, 46% of that work is heating and 54% 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 Mason 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 Mason averaged 1.0° warmer than the 1900s. The biggest change is in March (+1.8°). The shift is smaller than in 73% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Mason’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 44° to 59°. October is the most reliable, staying within 7°.
Common questions about Mason’s climate
What is the coldest month in Mason?
January, with a typical high of 61° and a low of 35°.
What is the hottest month in Mason?
August, with a typical high of 96° and a low of 70°. About 113 days a year reach 90°.
When is the first frost in Mason?
In half of years the first 32° night comes by November 13, and the last spring frost by March 18.
What is the rainiest month in Mason?
May, with 3.9 inches of rain and melted snow. The year totals 28 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Mason itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mason, 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.