Greenville weather in August

In August, Greenville sees average daytime highs of 91°F and overnight lows near 74°F, with 3.1 in of rain across 8.9 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 91°F through the month. The sky is clear or mostly clear about 46% 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 Greenville's 3rd-clearest and 12th-windiest month. For the whole year in context, see Greenville's year-round climate.

Daytime high
91°
1st warmest
Overnight low
74°
11th coldest
Rainfall
3.1 in
8.9 wet days
Daylight
13 h 12 min
5:31 AM – 6:46 PM
Cloud cover
49%
3rd clearest
Wind
5 mph
12th windiest
Solar energy
6 kWh/m²
Travel score
3.9
out of 10

Greenville is city in Washington County, Mississippi, United States.

Density
449/km²
people per km²
Founded
1824

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 91°F through the month.

A typical August day in Greenville reaches about 91°F in the afternoon and slips back to 74°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 84°F and 97°F. Set against its neighbours, August runs on par with July and about 5°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19175
29175
39175
49175
59175
69175
79175
89175
99175
109175
119174
129174
139174
149174
159174
169174
179174
189174
199174
209174
219074
229074
239074
249073
259073
269073
279073
289073
299073
308973
318972

How August really feels in Greenville

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.

Greenville 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 daysDaylight (hours)Travel score
Jan54° / 37°4.79.9103.3
Feb58° / 40°4.99.610.84.2
Mar66° / 48°5.311.211.76.0
Apr74° / 56°5.39.512.86.9
May82° / 65°4.710.813.76.2
Jun88° / 72°3.49.714.24.6
Jul90° / 75°3.410.9143.8
Aug91° / 74°3.18.913.23.9
Sep86° / 68°3.16.412.25.7
Oct75° / 56°4.27.611.27.4
Nov64° / 46°3.88.710.36.1
Dec56° / 39°5.29.79.83.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
35941
45941
56040
66040
76040
86040
96040
106040
116139
126139
136139
146139
156238
166238
176337
186337
196436
206436
216535
226535
236436
246436
256535
266535
276436
286436
296436
306535
316535

Chance of precipitation in August

Any precipitation

Greenville gets around 3.1 in of rain over 8.9 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 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
432
532
632
732
832
932
1032
1132
1232
1332
1431
1531
1630
1729
1828
1928
2027
2127
2226
2326
2426
2526
2626
2726
2826
2926
3025
3125

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1016206310
2016206310
3016216210
4016216210
5016226011
6016226011
7026235811
8026235811
9027245611
10027245611
11037255411
12038255410
13038255410
14039265210
1503926539
16031026538
17031027528
18031027537
19031127536
20031128535
21031128535
22031228534
23031228534
24031228534
25031328533
26031329523
27041429503
28141429503
29141529482
30151529472
31151629462

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 5:20 AM to 5:41 AM, and sunset from 7:00 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:207:00
213.65:217:00
313.65:226:59
413.65:226:58
513.65:236:57
613.55:246:56
713.55:246:55
813.55:256:54
913.55:266:53
1013.45:276:52
1113.45:276:51
1213.45:286:50
1313.35:296:49
1413.35:296:48
1513.35:306:47
1613.25:316:46
1713.25:326:45
1813.25:326:44
1913.25:336:42
2013.15:346:41
2113.15:346:40
2213.15:356:39
2313.05:366:37
2413.05:376:36
2513.05:376:35
2612.95:386:34
2712.95:396:32
2812.95:396:31
2912.85:406:30
3012.85:416:28
3112.85:416:27

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 6.52 kWh/m² in June across the year — August's 6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Intense
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in August

Hazard calendar for Greenville

In seasonPeak

In August, Greenville sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Greenville sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Greenville?

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

3.9
Sightseeing
9th-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Greenville in August

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

In August, Greenville sees daytime highs around 91°F and nights near 74°F. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Greenville in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Greenville peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 20UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr9Very high
May9Very high
Jun10Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Greenville 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 Greenville is worst in July — around 21 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1520 µg/m³Dec 186 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar10Good
Apr10Good
May14Moderate
Jun18Moderate
Jul21Moderate
Aug16Moderate
Sep12Moderate
Oct8Good
Nov7Good
Dec6Good
Location & terrain

Where is Greenville?

Greenville sits at 33.4°N, 91.1°W, 131 ft above sea level, in United States. The nearest listed city is Greenwood, 52 mi away.

Topography around Greenville

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

Within 2 miles, the terrain around Greenville has only modest variations in elevation — a maximum elevation change of 95 ft around an average of 128 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 138 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 371 ft.

The land around Greenville is covered by trees (53%) within 2 miles, cropland (45%) and trees (34%) within 10 miles, and cropland (55%) and trees (35%) within 50 miles.

2 miles
95 ft
10 miles
138 ft
50 miles
371 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Greenwood 52 mi · Clarksdale 62 mi · Vicksburg 74 mi · Pine Bluff 78 mi · Clinton 85 mi · Madison 85 mi · Ridgeland 86 mi · Monroe 88 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 Greenville (33.409°, -91.0598°, elevation 131 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).