Del Rio weather in July

In July, Del Rio sees average daytime highs of 97°F and overnight lows near 78°F, with 1.6 in of rain across 5.5 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 97°F through the month. The sky is clear or mostly clear about 56% of the time in July, and the air most often feels muggy.

Daylight stretches from about 13 h 54 min at the start of July to 13 h 24 min by month's end. Set against the rest of the year, July is Del Rio's 4th-clearest and 4th-windiest month. For the whole year in context, see Del Rio's year-round climate.

Daytime high
97°
2nd warmest
Overnight low
78°
11th coldest
Rainfall
1.6 in
5.5 wet days
Daylight
13 h 42 min
5:58 AM – 7:41 PM
Cloud cover
41%
4th clearest
Wind
11 mph
4th windiest
Solar energy
6.87 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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 97°F through the month.

A typical July day in Del Rio reaches about 97°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 90°F and 103°F. Set against its neighbours, July runs on par with June and on par with August.

70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19777
29777
39777
49777
59777
69777
79777
89777
99777
109777
119777
129778
139778
149778
159878
169878
179878
189878
199878
209878
219878
229878
239878
249878
259878
269878
279878
289878
299878
309878
319878

How July really feels in Del Rio

Once humidity and wind are folded in, July 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.

Days feeling ≥ 90°F
31
10 feel dangerously hot (≥ 102°F)
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Del Rio weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan65° / 44°0.93.510.37.1
Feb70° / 48°0.9410.97.6
Mar77° / 55°1.55.211.87.7
Apr85° / 62°1.75.112.76.2
May91° / 70°2.57.613.43.9
Jun96° / 76°1.5613.82.5
Jul97° / 78°1.65.513.72.1
Aug98° / 78°1.64.713.12.1
Sep91° / 72°2.67.512.23.9
Oct83° / 63°2.2611.36.6
Nov73° / 52°1.24.410.57.9
Dec65° / 44°0.93.810.27.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27129
37129
47129
57129
67228
77327
87327
97327
107426
117426
127525
137525
147525
157624
167624
177723
187723
197723
207723
217723
227624
237624
247525
257525
267525
277525
287525
297624
307624
317624

Chance of precipitation in July

Any precipitation

Del Rio gets around 1.6 in of rain over 5.5 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 17% and peaks near 22% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
122
222
322
421
521
620
720
819
919
1018
1118
1217
1317
1417
1517
1616
1716
1816
1916
2016
2116
2216
2316
2415
2515
2615
2714
2814
2914
3013
3113

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the muggy band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
14214827
24214827
34214827
44224826
54224826
63234825
73234924
83244924
93254923
103264922
113264922
123274921
133274921
143274920
153275020
163275020
173275119
183275119
193275119
203275218
213275218
223275218
233265318
243265417
253265417
263265516
273275416
283275515
292275714
302275714
312275813

Wind in July

Winds average 11 mph in July.

Across July, daily wind ranges from about 10 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 54 min at the start of July to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 5:51 AM to 6:06 AM, and sunset from 7:43 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:517:43
213.95:517:43
313.85:527:43
413.85:527:43
513.85:537:43
613.85:537:43
713.85:547:42
813.85:547:42
913.85:547:42
1013.85:557:42
1113.85:557:42
1213.85:567:42
1313.85:567:41
1413.75:577:41
1513.75:577:41
1613.75:587:41
1713.75:587:40
1813.75:597:40
1913.75:597:39
2013.76:007:39
2113.66:017:39
2213.66:017:38
2313.66:027:38
2413.66:027:37
2513.66:037:37
2613.56:037:36
2713.56:047:36
2813.56:057:35
2913.56:057:34
3013.56:067:34
3113.46:067:33

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.87 kWh/m² — the sunniest month for solar.

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 — July's 6.87 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
306.9Intense
316.9Intense
Planning a trip in July

Is July a good time to visit Del Rio?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.1
Sightseeing
11th-best month of the year
5.3
Beach & pool
9th-best month of the year

July is a weaker month for outdoor sightseeing in Del Rio.

What to pack for Del Rio in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Del Rio sees daytime highs around 97°F and nights near 78°F. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Del Rio in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 18UV 4
UV index (midday)Level
Jan5Moderate
Feb6High
Mar8Very high
Apr10Very high
May10Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct7High
Nov5Moderate
Dec4Moderate

Air quality in Del Rio in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1516 µg/m³Jan 166 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar7Good
Apr8Good
May13Moderate
Jun14Moderate
Jul17Moderate
Aug12Moderate
Sep10Good
Oct7Good
Nov7Good
Dec6Good
Location & terrain

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.

2 miles
200 ft
10 miles
489 ft
50 miles
3,773 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Ciudad Acuña 4.3 mi · Piedras Negras 51 mi · Eagle Pass 51 mi · Nava 66 mi · Uvalde 68 mi · Allende 71 mi · Nueva Rosita 101 mi · Sabinas 105 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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).