Climate averages 1991–2020
Grand Prairie weather
in August.
A very hot, moderately wet month: one of the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in Grand Prairie: daytime highs average 34.5°C and nights cool to about 25.3°C. By daytime temperature it is one of the warmest months of the year.
Expect about 53 mm of rain on roughly 5 days, which makes August a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 21 min on an average August day.
The nearest other city in this atlas is Irving (9 km away). In August its highs average 34.5°C, about as warm as Grand Prairie, with 53 mm of rain.
Among the 498 cities listed in the United States, Grand Prairie ranks joint 43rd of 498 for the warmest August highs and joint 197th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Grand Prairie is 4.6°C warmer than that mean.
From August to September, average highs fall by 3.8°C to 30.7°C, and monthly rainfall rises from 53 mm to 64 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Grand Prairie climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.4°C3.8°C | 3.8°C | 68 | 7.0 | 10.310 h |
| February | 15.7°C5.7°C | 5.7°C | 70 | 7.2 | 11.011 h |
| March | 19.8°C9.5°C | 9.5°C | 95 | 8.9 | 12.012 h |
| April | 24.1°C13.8°C | 13.8°C | 100 | 8.2 | 13.013 h |
| May | 28.0°C18.6°C | 18.6°C | 123 | 10.2 | 13.814 h |
| June | 32.0°C22.9°C | 22.9°C | 81 | 8.0 | 14.314 h |
| July | 34.5°C25.2°C | 25.2°C | 41 | 5.2 | 14.114 h |
| August, selected | 34.5°C25.3°C | 25.3°C | 53 | 5.2 | 13.413 h |
| September | 30.7°C21.4°C | 21.4°C | 64 | 5.9 | 12.412 h |
| October | 25.3°C15.5°C | 15.5°C | 96 | 7.5 | 11.411 h |
| November | 18.8°C9.5°C | 9.5°C | 85 | 6.9 | 10.511 h |
| December | 14.2°C5.0°C | 5.0°C | 83 | 6.7 | 10.010 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Irving in AugustUnited States · 9 kmHigh 34.5°C · Low 25.4°C · 53 mm rain
- Arlington (Texas), United States in AugustUnited States · 10 kmHigh 34.4°C · Low 25.1°C · 53 mm rain
- Dallas in AugustUnited States · 18 kmHigh 34.5°C · Low 25.4°C · 53 mm rain
- Carrollton in AugustUnited States · 25 kmHigh 34.2°C · Low 25.3°C · 51 mm rain
- Fort Worth in AugustUnited States · 30 kmHigh 34.5°C · Low 25.1°C · 53 mm rain
- Flower Mound in AugustUnited States · 31 kmHigh 34.2°C · Low 25.1°C · 51 mm rain
- Lewisville in AugustUnited States · 33 kmHigh 34.3°C · Low 25.3°C · 51 mm rain
- Richardson in AugustUnited States · 34 kmHigh 34.0°C · Low 25.0°C · 53 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Grand Prairie) is explained once on the Grand Prairie year overview and on the Sources, method and limits page.
Arlington (Texas), United States and Irving lie in the same rainfall cell, so their rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.