Palm Valley, TX climate
Palm Valley has warm winters and hot summers. A typical July afternoon reaches 96°, a January night drops to 51°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Palm Valley feels like
Winter
Spring
Summer
Fall
Palm Valley 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 | 71° | 51° | 1.0" | 0 | 8 | 0 | 54° – 67° |
| February | 76° | 55° | 1.0" | 0 | 6 | 0 | 58° – 73° |
| March | 81° | 61° | 1.3" | 0 | 6 | 0 | 65° – 77° |
| April | 86° | 66° | 1.4" | 0 | 5 | 0 | 71° – 80° |
| May | 91° | 72° | 2.2" | 0 | 5 | 0 | 77° – 84° |
| June | 95° | 75° | 2.9" | 0 | 7 | 0 | 82° – 89° |
| July | 96° | 76° | 2.1" | 0 | 5 | 0 | 83° – 89° |
| August | 97° | 76° | 1.9" | 0 | 6 | 0 | 85° – 90° |
| September | 92° | 73° | 5.1" | 0 | 11 | 0 | 80° – 86° |
| October | 88° | 66° | 3.0" | 0 | 6 | 0 | 75° – 81° |
| November | 79° | 58° | 1.6" | 0 | 6 | 0 | 63° – 75° |
| December | 73° | 52° | 1.2" | 0.1" | 8 | 0 | 56° – 67° |
| Year | 85° | 65° | 24.5" | 0.1" | 77 | 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 Palm Valley
Palm Valley gets 25 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 77 days a year.
A year-round growing season
Heating and cooling a home in Palm Valley
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Palm Valley, 11% of that work is heating and 89% 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.
Palm Valley and its neighbors
Palm Valley borders 1 town with climate data. January nights across them vary by 0.2°. Harlingen has both the coldest January nights (51°) and the hottest July afternoons (96°). Palm Valley’s January low is 51° and its July high 96°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Palm Valley 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 Palm Valley averaged 1.4° warmer than the 1900s. The biggest change is in February (+2.4°). The shift is larger than in 61% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Palm Valley’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 58° to 73°. August is the most reliable, staying within 5°.
Common questions about Palm Valley’s climate
What is the coldest month in Palm Valley?
January, with a typical high of 71° and a low of 51°.
What is the hottest month in Palm Valley?
August, with a typical high of 97° and a low of 76°. About 151 days a year reach 90°.
How much snow does Palm Valley get?
Almost none. A normal year brings 0.1 inches.
When is the first frost in Palm Valley?
Frost is uncommon. Only 31% of years see a night at 32° or below.
What is the rainiest month in Palm Valley?
September, with 5.1 inches of rain and melted snow. The year totals 25 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Palm Valley itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Harlingen, TX (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.