Del Mar Heights has warm winters and hot summers
A typical July afternoon reaches 94°, a January night drops to 52°, and snow is almost unheard of.
A year in Del Mar Heights at a glance
Each month’s typical high and low, and what it brings.
What stands out about Del Mar Heights’s climate
Read from where Del Mar Heights sits among Texas’s towns. The page puts what stands out first.
What a year in Del Mar Heights feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Rain and snow in Del Mar Heights
September is the wettest month and February the driest. Rain or snow falls on about 77 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
No measurable snow in a normal year.
A year-round growing season
Freezing nights are uncommon in Del Mar Heights.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Del Mar Heights’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
Only 26% of years see a freezing night, so tender plants can stay out most winters.
About 0.0" in a normal winter.
About 141 days a year reach 90°, and July afternoons average 94°.
The nicest months are January, February, March, November and December. 9.0 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Del Mar Heights and its neighbors
Brownsville has the coldest January nights next door (52°) and Brownsville the hottest July afternoons (94°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Del Mar Heights averaged 1.2° warmer than the 1900s. The biggest change is in February (+2.3°).
A bigger shift than in 51% of U.S. towns.
Change by month
How Del Mar Heights compares
Against every U.S. town on TownTapestry, each counted once, with its place in Texas.
Del Mar 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 | 71° | 52° | 1.1" | 0 | 7 | 0 | 55° – 67° |
| February | 75° | 56° | 1.1" | 0 | 5 | 0 | 58° – 73° |
| March | 79° | 61° | 1.4" | 0 | 5 | 0 | 64° – 77° |
| April | 84° | 66° | 1.4" | 0 | 5 | 0 | 70° – 80° |
| May | 89° | 72° | 2.2" | 0 | 5 | 0 | 76° – 83° |
| June | 93° | 76° | 2.9" | 0 | 6 | 0 | 82° – 87° |
| July | 94° | 76° | 1.9" | 0 | 5 | 0 | 82° – 87° |
| August | 95° | 76° | 2.0" | 0 | 6 | 0 | 84° – 89° |
| September | 91° | 74° | 5.4" | 0 | 11 | 0 | 79° – 85° |
| October | 86° | 67° | 3.3" | 0 | 8 | 0 | 74° – 80° |
| November | 79° | 60° | 1.8" | 0 | 7 | 0 | 64° – 75° |
| December | 73° | 53° | 1.3" | 0 | 8 | 0 | 57° – 67° |
| Year | 84° | 66° | 25.9" | 0.0" | 77 | 0 |
Heating and cooling a home in Del Mar Heights
9% of the work is heating, so air conditioning is the bigger bill.
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 58° to 73°. July is the most reliable, staying within 5°.
Common questions about Del Mar Heights’s climate
What is the coldest month in Del Mar Heights?
January, with a typical high of 71° and a low of 52°.
What is the hottest month in Del Mar Heights?
August, with a typical high of 95° and a low of 76°. About 141 days a year reach 90°.
How much snow does Del Mar Heights get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Del Mar Heights?
Frost is uncommon. Only 26% of years see a night at 32° or below.
What is the rainiest month in Del Mar Heights?
September, with 5.4 inches of rain and melted snow. The year totals 26 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Del Mar Heights.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Del Mar Heights itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Brownsville, TX (10 mi) away. 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.