Petty, TX climate
Petty has mild winters and hot summers. A typical July afternoon reaches 94°, a January night drops to 33°, and about 2 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Petty feels like
Winter
Spring
Summer
Fall
Petty 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 | 54° | 33° | 3.0" | 0.5" | 7 | 0 | 40° – 51° |
| February | 58° | 37° | 3.3" | 0 | 6 | 0 | 38° – 55° |
| March | 66° | 45° | 4.3" | 0.2" | 8 | 0 | 50° – 63° |
| April | 74° | 52° | 4.4" | 0 | 7 | 0 | 57° – 69° |
| May | 81° | 61° | 5.3" | 0 | 8 | 0 | 67° – 76° |
| June | 89° | 69° | 4.2" | 0 | 7 | 0 | 76° – 85° |
| July | 94° | 72° | 3.0" | 0 | 5 | 0 | 78° – 89° |
| August | 94° | 72° | 2.9" | 0 | 6 | 0 | 76° – 91° |
| September | 87° | 64° | 3.7" | 0 | 5 | 0 | 72° – 83° |
| October | 77° | 53° | 4.7" | 0 | 6 | 0 | 60° – 71° |
| November | 65° | 43° | 3.8" | 0 | 6 | 0 | 47° – 60° |
| December | 56° | 35° | 4.1" | 0.8" | 7 | 0 | 36° – 51° |
| Year | 74° | 53° | 46.6" | 1.5" | 77 | 1 |
“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 Petty
Petty gets 47 inches of rain and melted snow a year. May is the wettest month and August the driest. Rain or snow falls on about 77 days a year.
About 247 frost-free days a year
In half of years the last 32° night comes by March 14 and the first one by November 16. That leaves about 247 frost-free days for gardens, longer than 90% of U.S. towns.
Heating and cooling a home in Petty
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Petty, 50% of that work is heating and 50% 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 Petty 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 Petty averaged 0.7° warmer than the 1900s. The biggest change is in March (+1.6°). The shift is smaller than in 91% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Petty’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 38° to 55°. May is the most reliable, staying within 9°.
Common questions about Petty’s climate
What is the coldest month in Petty?
January, with a typical high of 54° and a low of 33°.
What is the hottest month in Petty?
August, with a typical high of 94° and a low of 72°. About 96 days a year reach 90°.
How much snow does Petty get?
About 2 inches in a normal winter, most of it in December.
When is the first frost in Petty?
In half of years the first 32° night comes by November 16, and the last spring frost by March 14.
What is the rainiest month in Petty?
May, with 5.3 inches of rain and melted snow. The year totals 47 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Petty itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Honey Grove, TX (6 mi, snow) and Paris, TX (15 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.