Troy, TX climate
Troy has mild winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 37°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Troy feels like
Winter
Spring
Summer
Fall
Troy 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 | 59° | 37° | 2.8" | 0 | 9 | 0 | 44° – 55° |
| February | 63° | 41° | 2.4" | 0 | 7 | 0 | 44° – 60° |
| March | 70° | 48° | 3.2" | 0 | 9 | 0 | 52° – 65° |
| April | 77° | 55° | 3.0" | 0 | 6 | 0 | 61° – 72° |
| May | 84° | 63° | 4.9" | 0 | 8 | 0 | 70° – 79° |
| June | 91° | 70° | 3.5" | 0 | 8 | 0 | 77° – 85° |
| July | 95° | 73° | 2.0" | 0 | 4 | 0 | 79° – 88° |
| August | 96° | 73° | 2.8" | 0 | 5 | 0 | 79° – 90° |
| September | 90° | 66° | 3.3" | 0 | 5 | 0 | 74° – 84° |
| October | 80° | 56° | 4.0" | 0 | 6 | 0 | 65° – 73° |
| November | 69° | 46° | 2.9" | 0 | 7 | 0 | 51° – 64° |
| December | 61° | 39° | 2.9" | 0 | 7 | 0 | 42° – 53° |
| Year | 78° | 56° | 37.5" | 0.0" | 80 | 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 Troy
Troy gets 38 inches of rain and melted snow a year. May is the wettest month and July the driest. Rain or snow falls on about 80 days a year.
About 251 frost-free days a year
In half of years the last 32° night comes by March 14 and the first one by November 20. That leaves about 251 frost-free days for gardens, longer than 90% of U.S. towns.
Heating and cooling a home in Troy
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Troy, 44% of that work is heating and 56% 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 Troy 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 Troy averaged 1.4° warmer than the 1900s. The biggest change is in February (+2.4°). The shift is larger than in 65% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Troy’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 60°. June is the most reliable, staying within 8°.
Common questions about Troy’s climate
What is the coldest month in Troy?
January, with a typical high of 59° and a low of 37°.
What is the hottest month in Troy?
August, with a typical high of 96° and a low of 73°. About 118 days a year reach 90°.
How much snow does Troy get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Troy?
In half of years the first 32° night comes by November 20, and the last spring frost by March 14.
What is the rainiest month in Troy?
May, with 4.9 inches of rain and melted snow. The year totals 38 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Troy itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Troy, TX (1 mi, snow) and Stillhouse Hollow Dam, TX (17 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.