Dumas weather in July

In July, Dumas sees average daytime highs of 91°F and overnight lows near 67°F, with 2.0 in of rain across 8 wet days and about 14.2 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 91°F through the month. The sky is clear or mostly clear about 57% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 14 h 24 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Dumas's 7th-clearest and 11th-windiest month. For the whole year in context, see Dumas's year-round climate.

Daytime high
91°
1st warmest
Overnight low
67°
12th coldest
Rainfall
2.0 in
8 wet days
Daylight
14 h 12 min
5:47 AM – 8:00 PM
Cloud cover
40%
7th clearest
Wind
9 mph
11th windiest
Solar energy
7.26 kWh/m²
Travel score
3.8
out of 10

Dumas is city in Texas, USA.

Density
1,045/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 91°F through the month.

A typical July day in Dumas reaches about 91°F in the afternoon and slips back to 67°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 99°F. Set against its neighbours, July runs about 3°F warmer than June and about 2°F warmer than August.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19166
29167
39167
49167
59167
69167
79167
89267
99267
109267
119267
129267
139268
149268
159268
169268
179268
189268
199268
209268
219268
229268
239268
249268
259168
269168
279168
289168
299168
309168
319167

How July really feels in Dumas

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
heat index over the day's high
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.

Dumas weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan50° / 26°0.72.81.69.82.7
Feb54° / 29°0.63.11.610.64.0
Mar63° / 36°1.451.411.76.4
Apr71° / 44°1.65.40.412.97.5
May79° / 54°2.27013.97.2
Jun89° / 63°2.08.3014.44.7
Jul91° / 67°2.08014.23.8
Aug89° / 66°2.59.2013.44.4
Sep83° / 59°1.35.7012.26.9
Oct72° / 47°1.64.90.411.18.0
Nov60° / 35°0.83.41.210.15.7
Dec50° / 27°1.03.72.49.62.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18119
28020
38020
47921
57921
67921
77822
87822
97822
107822
117822
127822
137822
147822
157822
167921
177822
187822
197921
207921
218020
228020
238020
247921
257921
267921
277921
287921
297921
307822
317822

Chance of precipitation in July

Any precipitation

Dumas gets around 2.0 in of rain over 8 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 26% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
426
526
626
726
826
926
1027
1127
1226
1326
1426
1526
1625
1725
1825
1925
2025
2125
2225
2325
2425
2525
2626
2726
2827
2927
3028
3129

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 38% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13540232
23539242
33539242
43438253
53338253
63338264
73238264
83138274
93138275
103038275
113038285
122938285
132938285
142837295
152837295
162837305
172838305
182738305
192738305
202738315
212738315
222738315
232738315
242737315
252637315
262637315
272637316
282637316
292636316
302637317
312537317

Wind in July

Winds average 9 mph in July.

Across July, 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.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 24 min at the start of July to 13 h 54 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 5:39 AM to 5:58 AM, and sunset from 8:03 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:398:03
214.45:398:03
314.45:408:03
414.45:408:03
514.45:418:03
614.45:418:03
714.35:428:03
814.35:428:03
914.35:438:02
1014.35:438:02
1114.35:448:02
1214.35:458:01
1314.35:458:01
1414.25:468:01
1514.25:478:00
1614.25:478:00
1714.25:487:59
1814.25:487:59
1914.25:497:58
2014.15:507:58
2114.15:517:57
2214.15:517:57
2314.15:527:56
2414.05:537:55
2514.05:537:55
2614.05:547:54
2714.05:557:53
2813.95:567:52
2913.95:577:52
3013.95:577:51
3113.95:587:50

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.26 kWh/m².

For context, solar energy here swings from a low near 2.86 kWh/m² to a high of 7.44 kWh/m² in June across the year — July's 7.26 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.2Intense
207.2Intense
217.2Intense
227.2Intense
237.2Intense
247.1Intense
257.1Intense
267.1Intense
277.1Intense
287.0Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in July

Is July a good time to visit Dumas?

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

3.8
Sightseeing
10th-best month of the year
6.8
Beach & pool
5th-best month of the year

July is a weaker month for outdoor sightseeing in Dumas. The water and warmth also suit a beach or pool day.

What to pack for Dumas in July

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

In July, Dumas sees daytime highs around 91°F and nights near 67°F. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Dumas 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 Dumas peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 11UV 11Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr9Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Dumas?

Dumas sits at 35.9°N, 102.0°W, 3,661 ft above sea level, in United States. The nearest listed city is Amarillo, 45 mi away.

Topography around Dumas

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

Within 2 miles, the terrain around Dumas has only modest variations in elevation — a maximum elevation change of 138 ft around an average of 3,658 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 623 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,713 ft.

The land around Dumas is covered by grassland (44%), artificial surfaces (28%) and cropland (24%) within 2 miles, grassland (55%) and cropland (43%) within 10 miles, and grassland (68%) and cropland (31%) within 50 miles.

2 miles
138 ft
10 miles
623 ft
50 miles
1,713 ft
treesgrasslandcroplandartificial surfacesbare terrain
July weather nearby: Amarillo 45 mi · Pampa 62 mi · Hereford 76 mi · Liberal 100 mi · Plainview 117 mi · Clovis 122 mi · Garden City 158 mi · Lubbock 158 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 Dumas (35.8656°, -101.9732°, elevation 3,661 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).