Del Rio weather in August
In August, Del Rio sees average daytime highs of 98°F and overnight lows near 78°F, with 1.6 in of rain across 4.7 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.
Highs ease over the month, from about 98°F in the first days to 96°F by the end. The sky is clear or mostly clear about 61% of the time in August, and the air most often feels muggy.
Daylight stretches from about 13 h 24 min at the start of August to 12 h 36 min by month's end. Set against the rest of the year, August is Del Rio's 2nd-clearest and 6th-windiest month. For the whole year in context, see Del Rio's year-round climate.
- Daytime high
- 98°
- 1st warmest
- Overnight low
- 78°
- 12th coldest
- Rainfall
- 1.6 in
- 4.7 wet days
- Daylight
- 13 h 06 min
- 6:16 AM – 7:20 PM
- Cloud cover
- 39%
- 2nd clearest
- Wind
- 9 mph
- 6th windiest
- Solar energy
- 6.59 kWh/m²
- Travel score
- 2.1
- out of 10
Del Rio is city and the county seat of Val Verde County, Texas, United States.
- Density
- 691/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Highs ease over the month, from about 98°F in the first days to 96°F by the end.
A typical August day in Del Rio reaches about 98°F in the afternoon and slips back to 78°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 91°F and 103°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 96 | 96 | 95 | 95 |
| Avg low (°F) | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 77 | 77 | 77 | 77 | 77 | 77 | 76 | 76 | 76 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 98 | 78 |
| 2 | 98 | 78 |
| 3 | 98 | 78 |
| 4 | 98 | 78 |
| 5 | 98 | 78 |
| 6 | 98 | 78 |
| 7 | 98 | 78 |
| 8 | 98 | 78 |
| 9 | 98 | 78 |
| 10 | 98 | 78 |
| 11 | 98 | 78 |
| 12 | 98 | 78 |
| 13 | 98 | 78 |
| 14 | 98 | 78 |
| 15 | 98 | 78 |
| 16 | 98 | 78 |
| 17 | 98 | 78 |
| 18 | 98 | 78 |
| 19 | 98 | 78 |
| 20 | 97 | 78 |
| 21 | 97 | 78 |
| 22 | 97 | 78 |
| 23 | 97 | 77 |
| 24 | 97 | 77 |
| 25 | 96 | 77 |
| 26 | 96 | 77 |
| 27 | 96 | 77 |
| 28 | 96 | 77 |
| 29 | 96 | 76 |
| 30 | 95 | 76 |
| 31 | 95 | 76 |
How August really feels in Del Rio
Once humidity and wind are folded in, August averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Del Rio weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 65° / 44° | 0.9 | 3.5 | 10.3 | 7.1 |
| Feb | 70° / 48° | 0.9 | 4 | 10.9 | 7.6 |
| Mar | 77° / 55° | 1.5 | 5.2 | 11.8 | 7.7 |
| Apr | 85° / 62° | 1.7 | 5.1 | 12.7 | 6.2 |
| May | 91° / 70° | 2.5 | 7.6 | 13.4 | 3.9 |
| Jun | 96° / 76° | 1.5 | 6 | 13.8 | 2.5 |
| Jul | 97° / 78° | 1.6 | 5.5 | 13.7 | 2.1 |
| Aug | 98° / 78° | 1.6 | 4.7 | 13.1 | 2.1 |
| Sep | 91° / 72° | 2.6 | 7.5 | 12.2 | 3.9 |
| Oct | 83° / 63° | 2.2 | 6 | 11.3 | 6.6 |
| Nov | 73° / 52° | 1.2 | 4.4 | 10.5 | 7.9 |
| Dec | 65° / 44° | 0.9 | 3.8 | 10.2 | 7.1 |
Cloud cover in August
The sky is clear or mostly clear about 61% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 23%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 77 | 77 | 77 | 78 | 78 | 78 | 79 | 79 | 78 | 78 | 78 | 78 | 78 | 78 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 77 | 77 | 77 | 76 |
| Cloudier (%) | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 77 | 23 |
| 2 | 77 | 23 |
| 3 | 77 | 23 |
| 4 | 78 | 22 |
| 5 | 78 | 22 |
| 6 | 78 | 22 |
| 7 | 79 | 21 |
| 8 | 79 | 21 |
| 9 | 78 | 22 |
| 10 | 78 | 22 |
| 11 | 78 | 22 |
| 12 | 78 | 22 |
| 13 | 78 | 22 |
| 14 | 78 | 22 |
| 15 | 77 | 23 |
| 16 | 77 | 23 |
| 17 | 77 | 23 |
| 18 | 77 | 23 |
| 19 | 76 | 24 |
| 20 | 76 | 24 |
| 21 | 76 | 24 |
| 22 | 76 | 24 |
| 23 | 76 | 24 |
| 24 | 76 | 24 |
| 25 | 76 | 24 |
| 26 | 76 | 24 |
| 27 | 76 | 24 |
| 28 | 77 | 23 |
| 29 | 77 | 23 |
| 30 | 77 | 23 |
| 31 | 76 | 24 |
Chance of precipitation in August
Del Rio gets around 1.6 in of rain over 4.7 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 16% and peaks near 25% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 17 | 17 | 18 | 19 | 19 | 20 | 21 | 22 | 23 | 23 | 24 | 25 |
| Rain chance (%) | |
|---|---|
| 1 | 13 |
| 2 | 13 |
| 3 | 12 |
| 4 | 12 |
| 5 | 12 |
| 6 | 12 |
| 7 | 12 |
| 8 | 12 |
| 9 | 12 |
| 10 | 12 |
| 11 | 12 |
| 12 | 12 |
| 13 | 13 |
| 14 | 13 |
| 15 | 14 |
| 16 | 14 |
| 17 | 15 |
| 18 | 15 |
| 19 | 16 |
| 20 | 17 |
| 21 | 17 |
| 22 | 18 |
| 23 | 19 |
| 24 | 19 |
| 25 | 20 |
| 26 | 21 |
| 27 | 22 |
| 28 | 23 |
| 29 | 23 |
| 30 | 24 |
| 31 | 25 |
Humidity in August
Most of August feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the muggy band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 69% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
| Comfortable (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 |
| Humid (%) | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 28 | 27 | 27 | 26 | 25 | 25 | 24 | 23 | 23 | 22 | 22 |
| Muggy (%) | 58 | 58 | 59 | 59 | 58 | 57 | 56 | 56 | 56 | 56 | 55 | 55 | 53 | 52 | 52 | 52 | 51 | 52 | 51 | 50 | 51 | 52 | 51 | 52 | 50 | 50 | 50 | 50 | 49 | 48 | 47 |
| Oppressive (%) | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 20 | 21 | 22 | 22 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 0 | 2 | 27 | 58 | 13 | 0 |
| 2 | 0 | 2 | 27 | 58 | 13 | 0 |
| 3 | 0 | 2 | 27 | 59 | 12 | 0 |
| 4 | 0 | 2 | 27 | 59 | 12 | 0 |
| 5 | 0 | 2 | 28 | 58 | 12 | 0 |
| 6 | 0 | 2 | 28 | 57 | 13 | 0 |
| 7 | 0 | 2 | 29 | 56 | 13 | 0 |
| 8 | 0 | 2 | 29 | 56 | 13 | 0 |
| 9 | 0 | 2 | 29 | 56 | 13 | 0 |
| 10 | 0 | 2 | 29 | 56 | 13 | 0 |
| 11 | 0 | 2 | 29 | 55 | 14 | 0 |
| 12 | 0 | 2 | 29 | 55 | 14 | 0 |
| 13 | 0 | 3 | 30 | 53 | 14 | 0 |
| 14 | 0 | 3 | 30 | 52 | 15 | 0 |
| 15 | 0 | 3 | 30 | 52 | 15 | 0 |
| 16 | 0 | 3 | 30 | 52 | 15 | 0 |
| 17 | 0 | 3 | 30 | 51 | 16 | 0 |
| 18 | 0 | 3 | 29 | 52 | 16 | 0 |
| 19 | 0 | 3 | 29 | 51 | 16 | 1 |
| 20 | 0 | 4 | 29 | 50 | 16 | 1 |
| 21 | 0 | 4 | 28 | 51 | 16 | 1 |
| 22 | 0 | 4 | 27 | 52 | 16 | 1 |
| 23 | 0 | 4 | 27 | 51 | 17 | 1 |
| 24 | 0 | 4 | 26 | 52 | 17 | 1 |
| 25 | 1 | 5 | 25 | 50 | 18 | 1 |
| 26 | 1 | 5 | 25 | 50 | 18 | 1 |
| 27 | 1 | 5 | 24 | 50 | 19 | 1 |
| 28 | 1 | 5 | 23 | 50 | 20 | 1 |
| 29 | 1 | 5 | 23 | 49 | 21 | 1 |
| 30 | 2 | 6 | 22 | 48 | 22 | 1 |
| 31 | 2 | 6 | 22 | 47 | 22 | 1 |
Wind in August
Winds average 9 mph in August.
Across August, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 10 | light breeze |
| 2 | 10 | light breeze |
| 3 | 10 | light breeze |
| 4 | 10 | light breeze |
| 5 | 10 | light breeze |
| 6 | 10 | light breeze |
| 7 | 10 | light breeze |
| 8 | 10 | light breeze |
| 9 | 10 | light breeze |
| 10 | 10 | light breeze |
| 11 | 10 | light breeze |
| 12 | 10 | light breeze |
| 13 | 10 | light breeze |
| 14 | 10 | light breeze |
| 15 | 10 | light breeze |
| 16 | 9 | light breeze |
| 17 | 9 | light breeze |
| 18 | 9 | light breeze |
| 19 | 9 | light breeze |
| 20 | 9 | light breeze |
| 21 | 9 | light breeze |
| 22 | 9 | light breeze |
| 23 | 9 | light breeze |
| 24 | 9 | light breeze |
| 25 | 9 | light breeze |
| 26 | 9 | light breeze |
| 27 | 9 | light breeze |
| 28 | 9 | light breeze |
| 29 | 9 | light breeze |
| 30 | 9 | light breeze |
| 31 | 9 | light breeze |
Sunrise & sunset in August
Daylight runs from about 13 h 24 min at the start of August to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over August. Sunrise moves from 6:07 AM to 6:24 AM, and sunset from 7:32 PM to 7:03 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.4 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 13.0 | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.6 |
| Sunrise (AM) | 6:07 | 6:08 | 6:08 | 6:09 | 6:09 | 6:10 | 6:10 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 |
| Sunset (PM) | 7:32 | 7:32 | 7:31 | 7:30 | 7:29 | 7:29 | 7:28 | 7:27 | 7:26 | 7:25 | 7:24 | 7:23 | 7:22 | 7:22 | 7:21 | 7:20 | 7:19 | 7:18 | 7:17 | 7:16 | 7:14 | 7:13 | 7:12 | 7:11 | 7:10 | 7:09 | 7:08 | 7:07 | 7:05 | 7:04 | 7:03 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.4 | 6:07 | 7:32 |
| 2 | 13.4 | 6:08 | 7:32 |
| 3 | 13.4 | 6:08 | 7:31 |
| 4 | 13.4 | 6:09 | 7:30 |
| 5 | 13.3 | 6:09 | 7:29 |
| 6 | 13.3 | 6:10 | 7:29 |
| 7 | 13.3 | 6:10 | 7:28 |
| 8 | 13.3 | 6:11 | 7:27 |
| 9 | 13.2 | 6:12 | 7:26 |
| 10 | 13.2 | 6:12 | 7:25 |
| 11 | 13.2 | 6:13 | 7:24 |
| 12 | 13.2 | 6:13 | 7:23 |
| 13 | 13.1 | 6:14 | 7:22 |
| 14 | 13.1 | 6:15 | 7:22 |
| 15 | 13.1 | 6:15 | 7:21 |
| 16 | 13.1 | 6:16 | 7:20 |
| 17 | 13.0 | 6:16 | 7:19 |
| 18 | 13.0 | 6:17 | 7:18 |
| 19 | 13.0 | 6:17 | 7:17 |
| 20 | 13.0 | 6:18 | 7:16 |
| 21 | 12.9 | 6:19 | 7:14 |
| 22 | 12.9 | 6:19 | 7:13 |
| 23 | 12.9 | 6:20 | 7:12 |
| 24 | 12.8 | 6:20 | 7:11 |
| 25 | 12.8 | 6:21 | 7:10 |
| 26 | 12.8 | 6:21 | 7:09 |
| 27 | 12.8 | 6:22 | 7:08 |
| 28 | 12.7 | 6:23 | 7:07 |
| 29 | 12.7 | 6:23 | 7:05 |
| 30 | 12.7 | 6:24 | 7:04 |
| 31 | 12.6 | 6:24 | 7:03 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 6.59 kWh/m².
For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 6.87 kWh/m² in July across the year — August's 6.59 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.1 | 6.1 | 6.0 | 6.0 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.9 | Intense |
| 2 | 6.9 | Intense |
| 3 | 6.9 | Intense |
| 4 | 6.9 | Intense |
| 5 | 6.9 | Intense |
| 6 | 6.9 | Intense |
| 7 | 6.8 | Intense |
| 8 | 6.8 | Intense |
| 9 | 6.8 | Intense |
| 10 | 6.8 | Intense |
| 11 | 6.8 | Intense |
| 12 | 6.7 | Intense |
| 13 | 6.7 | Intense |
| 14 | 6.7 | Intense |
| 15 | 6.6 | Intense |
| 16 | 6.6 | Intense |
| 17 | 6.6 | Intense |
| 18 | 6.5 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.5 | Intense |
| 21 | 6.4 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.3 | Intense |
| 24 | 6.3 | Intense |
| 25 | 6.3 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.2 | Intense |
| 28 | 6.1 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.0 | Intense |
| 31 | 6.0 | Bright |
Is August a good time to visit Del Rio?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a weaker month for outdoor sightseeing in Del Rio.
What to pack for Del Rio in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Del Rio sees daytime highs around 98°F and nights near 78°F. Pack light clothes and sun protection. About 5 days see rain.
UV index in Del Rio in August
Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Del Rio peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 6 | 8 | 10 | 10 | 11 | 11 | 11 | 9 | 7 | 5 | 4 |
| Level | Moderate | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 6 | High |
| Mar | 8 | Very high |
| Apr | 10 | Very high |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 7 | High |
| Nov | 5 | Moderate |
| Dec | 4 | Moderate |
Air quality in Del Rio in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Del Rio is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (January, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 6 | 6 | 7 | 8 | 13 | 14 | 17 | 12 | 10 | 7 | 7 | 6 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 6 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 17 | Moderate |
| Aug | 12 | Moderate |
| Sep | 10 | Good |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Del Rio?
Del Rio sits at 29.4°N, 100.9°W, 968 ft above sea level, in United States. The nearest listed city is Ciudad Acuña, 4.3 mi away.
Topography around Del Rio
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Del Rio.
Within 2 miles, the terrain around Del Rio has only modest variations in elevation — a maximum elevation change of 200 ft around an average of 981 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 489 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,773 ft.
The land around Del Rio is covered by artificial surfaces (39%), trees (23%) and shrubs (23%) within 2 miles, shrubs (74%) within 10 miles, and shrubs (78%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Del Rio (29.3627°, -100.8968°, elevation 968 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).