Poplar Bluff weather in August

In August, Poplar Bluff sees average daytime highs of 88°F and overnight lows near 69°F, with 2.9 in of rain across 8.7 wet days and about 13.4 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 88°F through the month. The sky is clear or mostly clear about 42% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Poplar Bluff's 3rd-clearest and 12th-windiest month. For the whole year in context, see Poplar Bluff's year-round climate.

Daytime high
88°
2nd warmest
Overnight low
69°
11th coldest
Rainfall
2.9 in
8.7 wet days
Daylight
13 h 24 min
5:23 AM – 6:48 PM
Cloud cover
51%
3rd clearest
Wind
5 mph
12th windiest
Solar energy
5.84 kWh/m²
Travel score
4.6
out of 10

Poplar Bluff is city in and county seat of Butler County, Missouri, United States.

Density
505/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 88°F through the month.

A typical August day in Poplar Bluff reaches about 88°F in the afternoon and slips back to 69°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 96°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)
18971
28971
38971
48971
58971
68971
78971
88970
98970
108970
118870
128870
138870
148870
158870
168869
178869
188869
198869
208869
218869
228869
238869
248869
258869
268869
278868
288768
298768
308768
318767

How August really feels in Poplar Bluff

Once humidity and wind are folded in, August averages 28 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
28
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.

Poplar Bluff weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan45° / 29°3.68.71.69.81.0
Feb50° / 32°3.37.91.310.62.2
Mar59° / 40°4.711.40.711.74.5
Apr69° / 50°5.210.9012.96.2
May77° / 60°4.912.8013.96.3
Jun86° / 68°3.410014.55.0
Jul89° / 72°3.010.9014.34.0
Aug88° / 69°2.98.7013.44.6
Sep82° / 62°3.37.4012.26.6
Oct70° / 50°3.88.30.1117.0
Nov58° / 40°4.290.4104.4
Dec48° / 32°3.78.61.19.51.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
36040
46040
56040
66040
76040
86040
95941
106040
116040
125941
135941
145941
156040
166040
176040
186139
196139
206139
216139
226139
236139
246139
256238
266238
276238
286337
296337
306436
316436

Chance of precipitation in August

Any precipitation

Poplar Bluff gets around 2.9 in of rain over 8.7 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 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 (%)
134
234
334
433
533
633
732
832
932
1031
1131
1231
1330
1429
1529
1628
1727
1827
1926
2026
2125
2225
2325
2425
2525
2625
2725
2825
2924
3024
3124

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1191728405
2191728405
3191829394
4291829394
5281829394
6281829394
7381928384
8391928384
9391927384
10491927384
114101926383
124101925383
134101925383
144111925383
154112025373
165112025373
175122025372
185122025362
195122025362
205122026362
215122026362
225122027361
235122027361
245122028351
255122028351
265122029341
275122029331
286122029321
297122030310
307122130290
318132130280

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 54 min at the start of August to 12 h 54 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 5:11 AM to 5:36 AM, and sunset from 7:05 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:117:05
213.95:117:04
313.85:127:03
413.85:137:02
513.85:147:01
613.75:157:00
713.75:166:59
813.75:166:58
913.75:176:56
1013.65:186:55
1113.65:196:54
1213.65:206:53
1313.55:216:52
1413.55:226:51
1513.55:226:49
1613.45:236:48
1713.45:246:47
1813.35:256:46
1913.35:266:44
2013.35:276:43
2113.25:276:42
2213.25:286:40
2313.25:296:39
2413.15:306:38
2513.15:316:36
2613.15:326:35
2713.05:326:33
2813.05:336:32
2912.95:346:30
3012.95:356:29
3112.95:366:27

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.84 kWh/m².

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 6.52 kWh/m² in June across the year — August's 5.84 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.0Intense
66.0Intense
76.0Intense
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in August

Is August a good time to visit Poplar Bluff?

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

4.6
Sightseeing
6th-best month of the year
6.9
Beach & pool
2nd-best month of the year

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

What to pack for Poplar Bluff in August

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

In August, Poplar Bluff sees daytime highs around 88°F and nights near 69°F. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Poplar Bluff in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Poplar Bluff peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 20UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov4Moderate
Dec2Moderate

Air quality in Poplar Bluff 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 Poplar Bluff is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJul 1317 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar13Moderate
Apr10Good
May13Moderate
Jun16Moderate
Jul17Moderate
Aug13Moderate
Sep11Good
Oct9Good
Nov7Good
Dec7Good
Location & terrain

Where is Poplar Bluff?

Poplar Bluff sits at 36.8°N, 90.4°W, 361 ft above sea level, in United States. The nearest listed city is Sikeston, 45 mi away.

Topography around Poplar Bluff

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

Within 2 miles, the terrain around Poplar Bluff has only modest variations in elevation — a maximum elevation change of 164 ft around an average of 361 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 344 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,270 ft.

The land around Poplar Bluff is covered by trees (50%) within 2 miles, trees (45%) and cropland (40%) within 10 miles, and trees (50%) and cropland (40%) within 50 miles.

2 miles
164 ft
10 miles
344 ft
50 miles
1,270 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Sikeston 45 mi · Paragould 48 mi · Cape Girardeau 62 mi · Jonesboro 65 mi · Farmington 71 mi · Dyersburg 75 mi · Carbondale 93 mi · Paducah 101 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 Poplar Bluff (36.757°, -90.3929°, elevation 361 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).