Grand Saline, TX climate
Grand Saline has mild winters and hot summers. A typical July afternoon reaches 94°, a January night drops to 35°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decade6° warmer than normal today. The forecast high is 89°, and a typical Oct 1 in Grand Saline peaks around 83°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Grand Saline feels like
Winter
Spring
Summer
Fall
Grand Saline 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 | 57° | 35° | 3.4" | 0.2" | 8 | 0 | 41° – 52° |
| February | 61° | 39° | 3.7" | 0 | 9 | 0 | 41° – 58° |
| March | 68° | 47° | 4.2" | 0 | 9 | 0 | 52° – 65° |
| April | 76° | 53° | 3.9" | 0 | 8 | 0 | 59° – 70° |
| May | 82° | 62° | 4.7" | 0 | 8 | 0 | 69° – 77° |
| June | 90° | 70° | 4.0" | 0 | 8 | 0 | 77° – 85° |
| July | 94° | 72° | 2.6" | 0 | 5 | 0 | 79° – 89° |
| August | 95° | 72° | 2.7" | 0 | 6 | 0 | 77° – 91° |
| September | 88° | 65° | 3.4" | 0 | 6 | 0 | 72° – 83° |
| October | 78° | 54° | 4.9" | 0 | 7 | 0 | 62° – 71° |
| November | 66° | 45° | 3.5" | 0 | 8 | 0 | 49° – 61° |
| December | 58° | 37° | 4.3" | 0 | 9 | 0 | 39° – 53° |
| Year | 76° | 54° | 45.1" | 0.2" | 89 | 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 Grand Saline
Grand Saline gets 45 inches of rain and melted snow a year. October is the wettest month and July the driest. Rain or snow falls on about 89 days a year.
About 242 frost-free days a year
In half of years the last 32° night comes by March 16 and the first one by November 14. That leaves about 242 frost-free days for gardens, longer than 89% of U.S. towns.
Heating and cooling a home in Grand Saline
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Grand Saline, 52% of that work is heating and 48% 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 Grand Saline 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 Grand Saline averaged 0.8° warmer than the 1900s. The biggest change is in January (+2.0°). The shift is smaller than in 83% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Grand Saline’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 41° to 58°. May is the most reliable, staying within 8°.
Common questions about Grand Saline’s climate
What is the coldest month in Grand Saline?
January, with a typical high of 57° and a low of 35°.
What is the hottest month in Grand Saline?
August, with a typical high of 95° and a low of 72°. About 91 days a year reach 90°.
How much snow does Grand Saline get?
Almost none. A normal year brings 0.2 inches.
When is the first frost in Grand Saline?
In half of years the first 32° night comes by November 14, and the last spring frost by March 16.
What is the rainiest month in Grand Saline?
October, with 4.9 inches of rain and melted snow. The year totals 45 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Grand Saline itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Lake Fk Rsvr, TX (15 mi, snow) and Lake Tawakoni, TX (16 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.