Forsan has mild winters and hot summers, with very little rain
A typical July afternoon reaches 94°, a January night drops to 33°, and about 1 inches of snow falls in a normal winter.
A year in Forsan at a glance
Each month’s typical high and low, and what it brings.
What stands out about Forsan’s climate
Read from where Forsan sits among Texas’s towns. The page puts what stands out first.
1 inches of snow, 19 of rain and melt
May is the wettest month and December the driest. Rain or snow falls on about 49 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
About 1.4" in a normal year, so most winters see none.
About 239 frost-free days a year
In half of years the last 32° night comes by March 20 and the first by November 13.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
What a year in Forsan feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Living with Forsan’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
239 frost-free days. The last frost comes by Mar 20 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 13.
About 1" in a normal winter.
Months averaging under 55° run from November through February. Heating is 50% of the year’s heating-and-cooling load.
About 115 days a year reach 90°, and July afternoons average 94°.
The nicest months are March, April, October and November.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Warmer than it used to be
The last 30 years in Forsan averaged 1.0° warmer than the 1900s. The biggest change is in March (+2.1°).
A smaller shift than in 68% of U.S. towns.
Change by month
How Forsan compares
Against every U.S. town on TownTapestry, each counted once, with its place in Texas.
Forsan 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° | 33° | 0.8" | 0.2" | 4 | 0 | 39° – 51° |
| February | 62° | 36° | 0.9" | 0.3" | 4 | 0 | 42° – 56° |
| March | 70° | 44° | 1.2" | 0 | 4 | 0 | 52° – 62° |
| April | 78° | 51° | 1.3" | 0.2" | 3 | 0 | 57° – 70° |
| May | 86° | 61° | 2.5" | 0 | 5 | 0 | 68° – 80° |
| June | 92° | 68° | 2.5" | 0 | 5 | 0 | 76° – 86° |
| July | 94° | 71° | 1.6" | 0 | 4 | 0 | 77° – 87° |
| August | 93° | 70° | 2.3" | 0 | 5 | 0 | 77° – 87° |
| September | 86° | 63° | 2.2" | 0 | 5 | 0 | 70° – 80° |
| October | 78° | 53° | 1.7" | 0 | 4 | 0 | 62° – 70° |
| November | 66° | 42° | 1.2" | 0.1" | 4 | 0 | 48° – 59° |
| December | 58° | 34° | 0.7" | 0.6" | 3 | 0 | 42° – 50° |
| Year | 77° | 52° | 19.1" | 1.4" | 49 | 0 |
Heating and cooling a home in Forsan
50% of the work is heating.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 42° to 56°. December is the most reliable, staying within 8°.
Common questions about Forsan’s climate
What is the coldest month in Forsan?
January, with a typical high of 57° and a low of 33°.
What is the hottest month in Forsan?
July, with a typical high of 94° and a low of 71°. About 115 days a year reach 90°.
How much snow does Forsan get?
About 1 inches in a normal winter, most of it in December.
When is the first frost in Forsan?
In half of years the first 32° night comes by November 13, and the last spring frost by March 20.
What is the rainiest month in Forsan?
May, with 2.5 inches of rain and melted snow. The year totals 19 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Forsan.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Forsan itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Forsan, TX (1 mi, snow) and Big Spring, TX (11 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. Today’s forecast: National Weather Service.