Weather in Grand Prairie, Texas
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 17Thunderstorm12%87°75°
- MondayMay 18Thunderstorm22%91°76°
- TuesdayMay 19Thunderstorm49%89°71°
- WednesdayMay 20Light Showers49%87°69°
- ThursdayMay 21Showers59%79°68°
- FridayMay 22Light Drizzle52%83°71°
- SaturdayMay 23Light Drizzle30%89°70°
- PM 2.5
- 7.4 μg/m³
- PM 10
- 10.6 μg/m³
- NO₂
- 4.5 μg/m³
- Ozone
- 77.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 11:44 AM
- Moonset
- 1:45 AM
- In sign
- ♊︎ Gemini
Roses open on the Piedmont edge
Grand Prairie at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: March 3 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Peak growing season
As of May 17, 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.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | 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
August brings Grand Prairie's warmest temperatures (~86°F mean) while January delivers the coldest (~47°F). October sees peak rainfall at 4.7 inches, contrasting with August's low of 1.7 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 47° | 2.3″ | 4 |
| February | 51° | 2.6″ | 4 |
| March | 59° | 3.4″ | 5 |
| April | 66° | 3.1″ | 4 |
| May | 74° | 4.3″ | 6 |
| June | 82° | 3.5″ | 5 |
| July | 85° | 1.7″ | 3 |
| August | 86° | 1.7″ | 3 |
| September | 79° | 3.3″ | 4 |
| October | 68° | 4.7″ | 5 |
| November | 57° | 2.6″ | 4 |
| December | 49° | 2.8″ | 4 |
Regional context
Grand Prairie belongs to a humid subtropical climate region that shares similar temperature ranges, seasonal patterns, and growing conditions with nearby cities.
Similar climates: Houston, TX, Dallas, TX, San Antonio, TX, Austin, TX, Fort Worth, TX.
Naturalist notes
By late May, eastern bluebirds typically finish their second broods in Grand Prairie's open areas.
Native Texas bluebonnets complete their blooming cycle by early May, setting seed before summer heat arrives.
Frequently asked
- When does it freeze in Grand Prairie?
- Grand Prairie's last spring frost typically falls around mid-March, and the first fall frost arrives around mid-December.
- What is the rainy season in Grand Prairie?
- October is the wettest month with about 4.7 inches of rain on average; the city receives roughly 36 inches annually.
- What is the warmest month in Grand Prairie?
- August is typically warmest, averaging about 86°F.
- What is the coldest month in Grand Prairie?
- January is typically coldest, averaging about 47°F.
- When can I start a vegetable garden in Grand Prairie?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-March); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Grand Prairie get?
- Grand Prairie averages about 49 rainy days per year.
- What hardiness zone is Grand Prairie?
- Grand Prairie'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
Grand Prairie, Texas sits in a humid subtropical climate zone. January temperatures hover near 47°F while July averages 85°F — a 38°F seasonal swing.
Throughout the year, Grand Prairie receives about 36 inches of precipitation spread over roughly 49 rainy days.
Location determines the yearly rhythm here: latitude (32.7°N), proximity to large water bodies, and elevation all shape what grows, when frost arrives, and daily weather patterns.