Glen Rose, TX climate
Glen Rose has mild winters and hot summers. A typical July afternoon reaches 96°, a January night drops to 35°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Glen Rose feels like
Winter
Spring
Summer
Fall
Glen Rose 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 | 58° | 35° | 2.2" | 0 | 6 | 0 | 42° – 54° |
| February | 63° | 39° | 2.5" | 0.1" | 6 | 0 | 42° – 58° |
| March | 70° | 47° | 3.1" | 0 | 7 | 0 | 52° – 64° |
| April | 78° | 53° | 3.1" | 0 | 6 | 0 | 61° – 71° |
| May | 84° | 63° | 4.5" | 0 | 8 | 0 | 70° – 79° |
| June | 92° | 70° | 3.8" | 0 | 6 | 0 | 78° – 86° |
| July | 96° | 73° | 2.0" | 0 | 5 | 0 | 80° – 90° |
| August | 96° | 73° | 2.5" | 0 | 5 | 0 | 79° – 92° |
| September | 89° | 66° | 3.1" | 0 | 6 | 0 | 74° – 84° |
| October | 79° | 55° | 4.2" | 0 | 6 | 0 | 63° – 71° |
| November | 68° | 44° | 2.6" | 0 | 6 | 0 | 50° – 61° |
| December | 60° | 36° | 2.4" | 0 | 6 | 0 | 41° – 52° |
| Year | 78° | 54° | 35.9" | 0.1" | 73 | 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 Glen Rose
Glen Rose gets 36 inches of rain and melted snow a year. May is the wettest month and July the driest. Rain or snow falls on about 73 days a year.
About 225 frost-free days a year
In half of years the last 32° night comes by March 28 and the first one by November 7. That leaves about 225 frost-free days for gardens, longer than 84% of U.S. towns.
Heating and cooling a home in Glen Rose
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Glen Rose, 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 Glen Rose 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 Glen Rose averaged 0.6° warmer than the 1900s. The biggest change is in January (+1.7°). The shift is smaller than in 94% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Glen Rose’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 42° to 58°. June is the most reliable, staying within 9°.
Common questions about Glen Rose’s climate
What is the coldest month in Glen Rose?
January, with a typical high of 58° and a low of 35°.
What is the hottest month in Glen Rose?
August, with a typical high of 96° and a low of 73°. About 109 days a year reach 90°.
How much snow does Glen Rose get?
Almost none. A normal year brings 0.1 inches.
When is the first frost in Glen Rose?
In half of years the first 32° night comes by November 7, and the last spring frost by March 28.
What is the rainiest month in Glen Rose?
May, with 4.5 inches of rain and melted snow. The year totals 36 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Glen Rose itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Rainbow, TX (3 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.