Donna weather in July

In July, Donna sees average daytime highs of 97°F and overnight lows near 78°F, with 2.2 in of rain across 7 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 3rd-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 53% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 13 h 36 min at the start of July to 13 h 18 min by month's end. Set against the rest of the year, July is Donna's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Donna's year-round climate.

Daytime high
97°
2nd warmest
Overnight low
78°
11th coldest
Rainfall
2.2 in
7 wet days
Daylight
13 h 30 min
5:53 AM – 7:23 PM
Cloud cover
45%
3rd clearest
Wind
12 mph
3rd windiest
Solar energy
6.73 kWh/m²
Travel score
2.3
out of 10

Donna is city in Hidalgo County, Texas, United States.

Density
768/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 Donna reaches about 97°F in the afternoon and slips back to 78°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 91°F and 101°F. Set against its neighbours, July runs about 2°F warmer than June and on par with August.

70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19578
29578
39578
49578
59678
69678
79678
89678
99678
109678
119678
129678
139678
149678
159778
169778
179778
189778
199778
209778
219778
229778
239778
249778
259778
269878
279878
289878
299878
309878
319878

How July really feels in Donna

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
31 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.

Donna weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan72° / 53°1.14.810.57.4
Feb76° / 56°1.04.811.17.7
Mar81° / 62°1.55.511.87.0
Apr87° / 68°1.75.512.65.3
May91° / 73°2.16.913.33.8
Jun95° / 77°2.17.713.62.7
Jul97° / 78°2.2713.52.3
Aug97° / 78°1.77.712.92.1
Sep92° / 75°3.61312.23.2
Oct87° / 68°2.57.211.45.3
Nov79° / 60°1.56.210.77.4
Dec73° / 54°1.35.410.47.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 16% of July, with mostly cloudy or overcast conditions the remaining 31%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36535
46535
56634
66634
76634
86832
96832
106931
116931
127030
137129
147129
157129
167228
177228
187228
197228
207129
217129
227129
237030
247030
257030
267030
277030
287030
297030
307129
317129

Chance of precipitation in July

Any precipitation

Donna gets around 2.2 in of rain over 7 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 22% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
330
429
528
627
726
825
924
1023
1122
1221
1321
1420
1520
1620
1720
1820
1920
2020
2120
2220
2320
2420
2520
2620
2720
2819
2919
3019
3119

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
157322
257421
347521
447620
537819
637819
737918
838017
938017
1038116
1138116
1238215
1338215
1438215
1538314
1638314
1738314
1838314
1938314
2038314
2138314
2238215
2338215
2428315
2528315
2628315
2728315
2828315
2928315
3028216
3128216

Wind in July

Winds average 12 mph in July.

Across July, daily wind ranges from about 11 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
1811light breeze
1911light breeze
2011light breeze
2111light breeze
2211light breeze
2311light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze
3111light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 36 min at the start of July to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:47 AM to 6:01 AM, and sunset from 7:24 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:477:24
213.65:477:24
313.65:487:24
413.65:487:24
513.65:487:24
613.65:497:24
713.65:497:24
813.65:507:24
913.65:507:24
1013.65:507:24
1113.55:517:24
1213.55:517:23
1313.55:527:23
1413.55:527:23
1513.55:537:23
1613.55:537:23
1713.55:547:22
1813.55:547:22
1913.55:547:22
2013.45:557:21
2113.45:557:21
2213.45:567:21
2313.45:567:20
2413.45:577:20
2513.45:577:19
2613.35:587:19
2713.35:587:18
2813.35:597:18
2913.35:597:17
3013.36:007:17
3113.36:017:16

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.73 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.99 kWh/m² to a high of 6.73 kWh/m² in July across the year — July's 6.73 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in July

Is July a good time to visit Donna?

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

2.3
Sightseeing
11th-best month of the year
5.4
Beach & pool
10th-best month of the year

July is a weaker month for outdoor sightseeing in Donna.

What to pack for Donna in July

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

In July, Donna sees daytime highs around 97°F and nights near 78°F. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Donna 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 Donna peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highExtremeVery highHighJun 21UV 12Dec 22UV 5
UV index (midday)Level
Jan5Moderate
Feb7High
Mar8Very high
Apr11Extreme
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Donna 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 Donna is worst in July — around 26 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1625 µg/m³Nov 107 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr13Moderate
May20Moderate
Jun21Moderate
Jul26Moderate
Aug19Moderate
Sep12Moderate
Oct8Good
Nov7Good
Dec9Good
Location & terrain

Where is Donna?

Donna sits at 26.2°N, 98.1°W, 92 ft above sea level, in United States. The nearest listed city is Weslaco, 3.7 mi away.

Topography around Donna

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Donna.

Within 2 miles, the terrain around Donna has only modest variations in elevation — a maximum elevation change of 43 ft around an average of 89 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 167 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 915 ft.

The land around Donna is covered by artificial surfaces (31%), cropland (24%) and grassland (22%) within 2 miles, cropland (42%) and grassland (21%) within 10 miles, and cropland (40%) and grassland (24%) within 50 miles.

2 miles
43 ft
10 miles
167 ft
50 miles
915 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Weslaco 3.7 mi · Alamo 4.3 mi · San Juan 6.8 mi · Pharr 8.1 mi · Mercedes 8.7 mi · McAllen 11 mi · Edinburg 11 mi · Ciudad Río Bravo 13 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 Donna (26.1703°, -98.052°, elevation 92 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).