Del Rio weather in August: Del Rio, Texas: normal highs, lows, rain and records for August
Del Rio in August has a normal high of 101°F and a normal low of 79°F, a daily mean of 90°F, falling from 102°F on the 1st to 98°F by the 31st. Measurable precipitation falls on 4 days in a normal August, 2.69 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 38°C and low of 26°C, 68 mm of precipitation in August.
- NOAA stationDel Rio International Airport
- Station IDUSW00022010
- Location29.38°N 100.93°W
- Elevation999 ft (305 m)
- Population34,678
- Jan 68° 44°
- Feb 73° 48°
- Mar 80° 56°
- Apr 87° 63°
- May 93° 71°
- Jun 98° 77°
- Jul 100° 79°
- Aug 101° 79°
- Sep 94° 73°
- Oct 86° 64°
- Nov 75° 53°
- Dec 68° 44°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Del Rio in August?
The normal high is 101°F and the normal low 79°F, for a daily mean of 89.9°F. August is 0.4°F warmer than July and 6.4°F warmer than September. August is the warmest month of the year in Del Rio and the 2nd wettest. Across the month the normal high falls 4°F, from 102°F on August 1 to 98°F on August 31. From one year to the next August's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 88°F and 92°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 18%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 102°F | 80°F | 11% | 6% |
| August 8 | 102°F | 80°F | 12% | 7% |
| August 15 | 102°F | 79°F | 14% | 8% |
| August 22 | 101°F | 79°F | 16% | 9% |
| August 31 | 98°F | 77°F | 18% | 11% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 6, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 102°F | 80°F | 11% | 6% | 13 h 30 min |
| August 2 | 102°F | 80°F | 11% | 6% | 13 h 30 min |
| August 3 | 102°F | 80°F | 12% | 7% | 13 h 30 min |
| August 4 | 102°F | 80°F | 12% | 7% | 13 h 30 min |
| August 5 | 102°F | 80°F | 12% | 7% | 13 h 30 min |
| August 6 | 102°F | 80°F | 12% | 7% | 13 h 30 min |
| August 7 | 102°F | 80°F | 12% | 7% | 13 h 30 min |
| August 8 | 102°F | 80°F | 12% | 7% | 13 h 20 min |
| August 9 | 102°F | 80°F | 13% | 7% | 13 h 20 min |
| August 10 | 102°F | 80°F | 13% | 7% | 13 h 20 min |
| August 11 | 102°F | 79°F | 13% | 7% | 13 h 20 min |
| August 12 | 102°F | 79°F | 13% | 8% | 13 h 20 min |
| August 13 | 102°F | 79°F | 13% | 8% | 13 h 20 min |
| August 14 | 102°F | 79°F | 14% | 8% | 13 h 20 min |
| August 15 | 102°F | 79°F | 14% | 8% | 13 h 10 min |
| August 16 | 102°F | 79°F | 14% | 8% | 13 h 10 min |
| August 17 | 101°F | 79°F | 14% | 8% | 13 h 10 min |
| August 18 | 101°F | 79°F | 14% | 9% | 13 h 10 min |
| August 19 | 101°F | 79°F | 15% | 9% | 13 h 10 min |
| August 20 | 101°F | 79°F | 15% | 9% | 13 h 10 min |
| August 21 | 101°F | 79°F | 15% | 9% | 13 h |
| August 22 | 101°F | 79°F | 16% | 9% | 13 h |
| August 23 | 100°F | 78°F | 16% | 10% | 13 h |
| August 24 | 100°F | 78°F | 16% | 10% | 13 h |
| August 25 | 100°F | 78°F | 17% | 10% | 13 h |
| August 26 | 100°F | 78°F | 17% | 10% | 13 h |
| August 27 | 99°F | 78°F | 17% | 10% | 13 h |
| August 28 | 99°F | 78°F | 18% | 11% | 12 h 50 min |
| August 29 | 99°F | 77°F | 18% | 11% | 12 h 50 min |
| August 30 | 99°F | 77°F | 18% | 11% | 12 h 50 min |
| August 31 | 98°F | 77°F | 18% | 11% | 12 h 50 min |
- Normal high
- 101°FAugust average
- Normal low
- 79°FAugust average
- Precipitation
- 2.69 inmonth total
- Days with precipitation
- 40.01 inch or more
- Days at 90°F or more
- 29
- Daylight
- 13 h 30 min to 12 h 50 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 89%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00022010; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Del Rio in August?
On a given August day the chance of 0.01 inch or more is 14% on average, highest around August 31 (18%). In all, 2.69 in falls on 4 days of a normal August, 1 of them with an inch or more.
In a normal August in Del Rio, 29 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00022010.
How humid and windy is Del Rio in August?
At 3 p.m. the normal temperature is 94°F with 38% relative humidity and a dew point of 64°F; at 6 a.m. it is 75°F with 78% humidity. The wind averages 7.9 mph, most often from the southeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 75°F | 68°F | 78% | 6.8 mph | 72% |
| 9 a.m. | 81°F | 69°F | 67% | 8.0 mph | – |
| noon | 89°F | 67°F | 49% | 9.3 mph | 72% |
| 3 p.m. | 94°F | 64°F | 38% | 9.8 mph | 83% |
| 6 p.m. | 92°F | 63°F | 38% | 9.6 mph | 89% |
| 9 p.m. | 85°F | 64°F | 50% | 6.7 mph | 92% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00022010. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for August in Del Rio?
The warmest August temperature on Del Rio's official record (since 1905) is 113°F, on August 22, 2024; the coldest is 60°F, on August 31, 1915. The wettest August brought 20.93 in (1998).
The August mean against the 1991-2020 normal of 89.9°F: 2021 88.8°F (−1.1), 2022 86.8°F (−3.1), 2023 92.9°F (+3.0), 2024 92.6°F (+2.7), 2025 89.1°F (−0.8), 2026 88.8°F (−1.1). 2 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 88.8°F | −1.1°F | 2.87 in |
| 2022 | 86.8°F | −3.1°F | 7.57 in |
| 2023 | 92.9°F | +3.0°F | 1.84 in |
| 2024 | 92.6°F | +2.7°F | 1.23 in |
| 2025 | 89.1°F | −0.8°F | 0.52 in |
| 2026 | 88.8°F | −1.1°F | 0.19 in |
Source: records: ACIS, NWS threaded record DRTthr; recent months: ACIS, station USW00022010. Records and recent months use complete months only.
How does August in Del Rio compare across Texas?
Across the 321 places PlainClimate covers in Texas, August normal highs run from 87°F in Marfa to 101°F in Del Rio; Del Rio's is 101°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.