Sulphur Springs weather in August

In August, Sulphur Springs sees average daytime highs of 93°F and overnight lows near 74°F, with 2.0 in of rain across 6.4 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 93°F through the month. The sky is clear or mostly clear about 54% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Sulphur Springs's 3rd-clearest and 12th-windiest month. For the whole year in context, see Sulphur Springs's year-round climate.

Daytime high
93°
1st warmest
Overnight low
74°
11th coldest
Rainfall
2.0 in
6.4 wet days
Daylight
13 h 12 min
5:49 AM – 7:04 PM
Cloud cover
43%
3rd clearest
Wind
5 mph
12th windiest
Solar energy
6.11 kWh/m²
Travel score
3.4
out of 10

Sulphur Springs is city in Hopkins County, Texas, USA.

Density
263/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

Day-to-day highs hold fairly steady near 93°F through the month.

A typical August day in Sulphur Springs reaches about 93°F in the afternoon and slips back to 74°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 85°F and 100°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19475
29475
39475
49475
59475
69475
79475
89475
99375
109375
119375
129375
139374
149374
159374
169374
179374
189374
199374
209374
219374
229374
239273
249273
259273
269273
279273
289273
299273
309172
319172

How August really feels in Sulphur Springs

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.

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

Sulphur Springs weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan55° / 37°3.37.80.410.13.7
Feb59° / 40°3.68.70.610.84.6
Mar66° / 48°4.69.80.211.76.2
Apr74° / 55°5.29.4012.87.0
May82° / 64°5.411.8013.76.0
Jun89° / 72°3.79.7014.14.4
Jul93° / 75°2.37.50143.4
Aug93° / 74°2.06.4013.23.4
Sep87° / 67°2.96.5012.25.4
Oct76° / 56°4.17.8011.27.4
Nov65° / 46°3.58.10.110.36.3
Dec56° / 39°4.28.10.39.94.1

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 19% of August, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47426
57426
67426
77426
87426
97426
107426
117426
127426
137426
147327
157327
167228
177228
187327
197327
207228
217228
227228
237228
247129
257129
267129
277129
287030
297030
307030
317030

Chance of precipitation in August

Any precipitation

Sulphur Springs gets around 2.0 in of rain over 6.4 wet days in August, the driest month. 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 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
121
221
321
422
522
622
722
823
923
1023
1123
1224
1324
1424
1523
1623
1722
1822
1921
2021
2121
2220
2320
2420
2520
2621
2721
2821
2921
3022
3122

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1021033523
2021034513
302934523
402935513
502835523
602836513
703836503
803836503
904835504
1004835504
1104835494
1204834494
1305934484
1405935474
15051035474
16051036464
17051136453
18051137443
19051237433
20051238423
21051339412
22051339402
23051440402
24051440392
25051541381
26151541371
27151541361
28161641361
29261640351
30361640351
31371739341

Wind in August

Winds average 5 mph in August, the calmest month.

Across August, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 42 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 54 minutes over August. Sunrise moves from 5:39 AM to 6:00 AM, and sunset from 7:18 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:397:18
213.65:407:17
313.65:407:16
413.65:417:16
513.65:427:15
613.55:427:14
713.55:437:13
813.55:447:12
913.45:447:11
1013.45:457:10
1113.45:467:09
1213.45:477:08
1313.35:477:07
1413.35:487:06
1513.35:497:05
1613.25:497:04
1713.25:507:02
1813.25:517:01
1913.15:527:00
2013.15:526:59
2113.15:536:58
2213.05:546:57
2313.05:546:55
2413.05:556:54
2513.05:566:53
2612.95:566:52
2712.95:576:50
2812.95:586:49
2912.85:586:48
3012.85:596:46
3112.86:006:45

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.11 kWh/m².

For context, solar energy here swings from a low near 2.43 kWh/m² to a high of 6.6 kWh/m² in July across the year — August's 6.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.1Intense
176.0Intense
186.0Intense
196.0Bright
206.0Bright
215.9Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in August

Is August a good time to visit Sulphur Springs?

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

3.4
Sightseeing
11th-best month of the year
6.7
Beach & pool
2nd-best month of the year

August is a weaker month for outdoor sightseeing in Sulphur Springs. The water and warmth also suit a beach or pool day.

What to pack for Sulphur Springs in August

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

In August, Sulphur Springs sees daytime highs around 93°F and nights near 74°F. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Sulphur Springs 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 Sulphur Springs peaks around June 22 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 22UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr9Very high
May9Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sulphur Springs in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Sulphur Springs is worst in July — around 21 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1621 µg/m³Jan 117 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar11Good
Apr11Good
May14Moderate
Jun17Moderate
Jul21Moderate
Aug16Moderate
Sep13Moderate
Oct8Good
Nov8Good
Dec7Good
Location & terrain

Where is Sulphur Springs?

Sulphur Springs sits at 33.1°N, 95.6°W, 502 ft above sea level, in United States. The nearest listed city is Greenville, 29 mi away.

Topography around Sulphur Springs

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

Within 2 miles, the terrain around Sulphur Springs has only modest variations in elevation — a maximum elevation change of 128 ft around an average of 499 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 272 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 554 ft.

The land around Sulphur Springs is covered by grassland (45%) and trees (33%) within 2 miles, grassland (63%) and trees (31%) within 10 miles, and grassland (51%) and trees (40%) within 50 miles.

2 miles
128 ft
10 miles
272 ft
50 miles
554 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Greenville 29 mi · Paris 36 mi · Mount Pleasant 37 mi · Terrell 48 mi · Rockwall 52 mi · Wylie 55 mi · Tyler 57 mi · Forney 57 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 Sulphur Springs (33.1384°, -95.6011°, elevation 502 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).