Porter Heights, TX climate
Porter Heights has warm winters and hot summers, with plenty of rain. A typical July afternoon reaches 94°, a January night drops to 42°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Porter Heights feels like
Winter
Spring
Summer
Fall
Porter Heights 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 | 63° | 42° | 4.2" | 0 | 8 | 0 | 48° – 59° |
| February | 67° | 46° | 3.3" | 0 | 8 | 0 | 48° – 66° |
| March | 73° | 53° | 3.7" | 0 | 7 | 0 | 57° – 70° |
| April | 79° | 58° | 4.0" | 0 | 6 | 0 | 64° – 73° |
| May | 86° | 66° | 5.0" | 0 | 6 | 0 | 72° – 80° |
| June | 92° | 72° | 5.5" | 0 | 7 | 0 | 79° – 86° |
| July | 94° | 74° | 4.2" | 0 | 7 | 0 | 81° – 87° |
| August | 95° | 74° | 4.8" | 0 | 7 | 0 | 80° – 89° |
| September | 90° | 69° | 4.6" | 0 | 6 | 0 | 76° – 84° |
| October | 82° | 59° | 5.4" | 0 | 5 | 0 | 67° – 76° |
| November | 72° | 50° | 4.4" | 0 | 6 | 0 | 56° – 67° |
| December | 64° | 44° | 4.3" | 0 | 8 | 0 | 47° – 59° |
| Year | 80° | 59° | 53.2" | 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 Porter Heights
Porter Heights gets 53 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 80 days a year.
About 300 frost-free days a year
In half of years the last 32° night comes by February 13 and the first one by December 9. That leaves about 300 frost-free days for gardens, longer than 95% of U.S. towns.
Heating and cooling a home in Porter Heights
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Porter Heights, 28% of that work is heating and 72% is cooling, so air conditioning is the bigger bill.
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 Porter Heights 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 Porter Heights averaged 1.3° warmer than the 1900s. The biggest change is in February (+2.4°). The shift is larger than in 58% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Porter Heights’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 48° to 66°. July is the most reliable, staying within 6°.
Common questions about Porter Heights’s climate
What is the coldest month in Porter Heights?
January, with a typical high of 63° and a low of 42°.
What is the hottest month in Porter Heights?
August, with a typical high of 95° and a low of 74°. About 111 days a year reach 90°.
How much snow does Porter Heights get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Porter Heights?
In half of years the first 32° night comes by December 9, and the last spring frost by February 13.
What is the rainiest month in Porter Heights?
June, with 5.5 inches of rain and melted snow. The year totals 53 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Porter Heights itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at New Caney 2 E, TX (9 mi, snow) and Houston Intercont Airport, 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.