Del Mar Heights, Texas Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Del Mar Heights weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Thunderstorm44%—90°76°—
- ThursdayJun 4Showers19%0.54″86°77°-4°
- FridayJun 5Overcast19%—89°76°+3°
- SaturdayJun 6Heavy Drizzle26%—88°80°-1°
- SundayJun 7Light Showers15%—92°80°+4°
- MondayJun 8Overcast11%—92°79°0°
- TuesdayJun 9Partly Cloudy——91°78°-1°
AQI 23 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (steady decline since this morning).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:22 AM
- Moonset
- 3:08 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Del Mar Heights at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: January 22 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Del Mar Heights
SPC has placed Del Mar Heights in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| April | tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | — | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
Del Mar Heights's warmest month is August (~87°F mean) and its coldest is January (~63°F). Rainfall peaks in September (5.7 inches) and bottoms out in February (1.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 63° | 1.1″ | 2 |
| February | 67° | 1.0″ | 2 |
| March | 71° | 1.4″ | 2 |
| April | 77° | 1.5″ | 2 |
| May | 82° | 2.2″ | 2 |
| June | 86° | 2.9″ | 4 |
| July | 86° | 2.0″ | 3 |
| August | 87° | 2.2″ | 4 |
| September | 83° | 5.7″ | 8 |
| October | 78° | 3.8″ | 5 |
| November | 71° | 1.8″ | 3 |
| December | 64° | 1.2″ | 3 |
Frequently asked
- When does it freeze in Del Mar Heights?
- Del Mar Heights's last spring frost typically falls around mid-February, and the first fall frost arrives around mid-December.
- What is the rainy season in Del Mar Heights?
- September is the wettest month with about 5.7 inches of rain on average; the city receives roughly 27 inches annually.
- What is the warmest month in Del Mar Heights?
- August is typically warmest, averaging about 87°F.
- What is the coldest month in Del Mar Heights?
- January is typically coldest, averaging about 63°F.
- When can I start a vegetable garden in Del Mar Heights?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-February); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Del Mar Heights get?
- Del Mar Heights averages about 39 rainy days per year.
- What hardiness zone is Del Mar Heights?
- Del Mar Heights's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Del Mar Heights, Texas sits in a humid subtropical climate zone. January means hover near 63°F while July averages 86°F — a 24°F seasonal swing.
Across the year, Del Mar Heights receives about 27 inches of precipitation spread over roughly 39 rainy days.
The rhythm of the year is set by latitude (26.1°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.