Dumas weather in August

In August, Dumas sees average daytime highs of 89°F and overnight lows near 66°F, with 2.5 in of rain across 9.2 wet days and about 13.4 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 91°F in the first days to 87°F by the end. The sky is clear or mostly clear about 54% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Dumas's 8th-clearest and 12th-windiest month. For the whole year in context, see Dumas's year-round climate.

Daytime high
89°
2nd warmest
Overnight low
66°
11th coldest
Rainfall
2.5 in
9.2 wet days
Daylight
13 h 24 min
6:11 AM – 7:33 PM
Cloud cover
41%
8th clearest
Wind
9 mph
12th windiest
Solar energy
6.54 kWh/m²
Travel score
4.4
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 91°F in the first days to 87°F by the end.

A typical August day in Dumas reaches about 89°F in the afternoon and slips back to 66°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 97°F. Set against its neighbours, August runs about 2°F cooler than July and about 7°F warmer than September.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
19167
29167
39167
49167
59167
69067
79067
89067
99067
109067
119067
129067
138966
148966
158966
168966
178966
188966
198966
208966
218965
228965
238965
248865
258865
268865
278865
288864
298764
308764
318764

How August really feels in Dumas

Once humidity and wind are folded in, August averages 12 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
12
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Dumas weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27723
37723
47624
57624
67624
77525
87525
97525
107525
117426
127426
137525
147525
157525
167525
177624
187624
197624
207723
217822
227921
237921
248020
257921
267921
277921
288020
298020
308020
317822

Chance of precipitation in August

Any precipitation

Dumas gets around 2.5 in of rain over 9.2 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 34% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
331
432
532
633
733
833
934
1034
1134
1234
1333
1433
1532
1632
1731
1830
1929
2028
2127
2226
2325
2424
2524
2623
2722
2822
2921
3021
3121

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12537317
22437318
32437318
42337318
52337319
62338319
72238319
82238319
92238319
102238319
112239319
122239319
132239318
142239318
152239318
162339317
172340307
182440307
192540296
202541295
212641285
222741274
232841274
242941263
253141253
263241252
273340242
283540232
293639232
303839221
313938221

Wind in August

Winds average 9 mph in August, the calmest month.

Across August, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light 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 August

DaylightNight

Daylight runs from about 13 h 48 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:59 AM to 6:23 AM, and sunset from 7:49 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:597:49
213.86:007:48
313.86:007:47
413.86:017:46
513.76:027:45
613.76:037:44
713.76:047:43
813.66:047:42
913.66:057:41
1013.66:067:40
1113.56:077:39
1213.56:087:38
1313.56:087:37
1413.46:097:35
1513.46:107:34
1613.46:117:33
1713.36:127:32
1813.36:137:31
1913.36:137:29
2013.26:147:28
2113.26:157:27
2213.26:167:25
2313.16:177:24
2413.16:177:23
2513.16:187:21
2613.06:197:20
2713.06:207:19
2812.96:217:17
2912.96:217:16
3012.96:227:14
3112.86:237:13

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.54 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 — August's 6.54 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.3Intense
266.3Intense
276.3Intense
286.2Intense
296.2Intense
306.2Intense
316.1Intense
Planning a trip in August

Is August a good time to visit Dumas?

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

4.4
Sightseeing
8th-best month of the year
7.0
Beach & pool
4th-best month of the year

August is a reasonable time to visit Dumas for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Dumas in August

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

In August, Dumas sees daytime highs around 89°F and nights near 66°F. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Dumas in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (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
August 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).