Collierville weather in August

In August, Collierville sees average daytime highs of 89°F and overnight lows near 71°F, with 3.4 in of rain across 9.5 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 89°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 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 Collierville's 3rd-clearest and 12th-windiest month. For the whole year in context, see Collierville's year-round climate.

Daytime high
89°
2nd warmest
Overnight low
71°
11th coldest
Rainfall
3.4 in
9.5 wet days
Daylight
13 h 18 min
5:23 AM – 6:43 PM
Cloud cover
51%
3rd clearest
Wind
5 mph
12th windiest
Solar energy
5.82 kWh/m²
Travel score
4.2
out of 10

Collierville is town in Shelby County, Tennessee, United States.

Density
522/km²
people per km²
Founded
1836

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 89°F through the month.

A typical August day in Collierville reaches about 89°F in the afternoon and slips back to 71°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 96°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)
19072
29072
39072
49072
59072
69072
79072
89072
99072
108972
118972
128971
138971
148971
158971
168971
178971
188971
198971
208971
218971
228971
238971
248971
258970
268970
278970
288970
298970
308869
318869

How August really feels in Collierville

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.

Collierville weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan50° / 34°4.29.80.89.92.2
Feb54° / 37°4.39.50.810.73.2
Mar63° / 44°5.111.80.311.75.3
Apr72° / 53°5.110.2012.96.6
May80° / 62°4.911.3013.86.3
Jun87° / 70°4.011014.34.6
Jul90° / 73°4.112.2014.13.8
Aug89° / 71°3.49.5013.34.2
Sep84° / 64°3.37.9012.26.0
Oct73° / 53°4.17.4011.17.4
Nov61° / 43°3.88.60.110.25.4
Dec52° / 36°5.010.10.49.72.8

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 19% of August, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
35941
46040
56040
65941
75941
85941
95941
105842
115842
125842
135842
145941
155941
165941
175941
186040
196040
206040
216040
226238
236238
246238
256238
266238
276238
286337
296238
306337
316337

Chance of precipitation in August

Any precipitation

Collierville gets around 3.4 in of rain over 9.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
334
434
534
634
733
833
933
1033
1133
1233
1333
1432
1532
1631
1731
1830
1930
2030
2129
2229
2329
2430
2530
2630
2729
2829
2929
3029
3129

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1031128517
2031129507
3131129497
4131130497
5131130487
6141230477
7141230477
8141230467
9241229467
10251329457
11251328447
12251428447
13261428438
14261428428
15261528428
16261528417
17271528417
18271629407
19271629406
20271630406
21271631405
22271631395
23271632394
24271633394
25271633393
26281633383
27281634382
28281734372
29291734361
30391835351
31391835341

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 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 5:11 AM to 5:34 AM, and sunset from 6:58 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:116:58
213.85:126:57
313.75:136:56
413.75:146:55
513.75:146:54
613.65:156:54
713.65:166:53
813.65:176:51
913.65:176:50
1013.55:186:49
1113.55:196:48
1213.55:206:47
1313.45:216:46
1413.45:216:45
1513.45:226:44
1613.35:236:43
1713.35:246:41
1813.35:246:40
1913.25:256:39
2013.25:266:38
2113.25:276:36
2213.15:286:35
2313.15:286:34
2413.15:296:33
2513.05:306:31
2613.05:316:30
2713.05:316:29
2812.95:326:27
2912.95:336:26
3012.85:346:24
3112.85:346:23

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.82 kWh/m².

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 6.42 kWh/m² in June across the year — August's 5.82 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Intense
56.0Intense
66.0Bright
76.0Bright
86.0Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.5Bright
305.4Bright
315.4Bright
Planning a trip in August

Is August a good time to visit Collierville?

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

4.2
Sightseeing
8th-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Collierville in August

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

In August, Collierville sees daytime highs around 89°F and nights near 71°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Collierville 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 Collierville peaks around June 19 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 19UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May9Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Collierville 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 Collierville is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1419 µg/m³Dec 197 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar11Good
Apr10Good
May14Moderate
Jun17Moderate
Jul19Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Collierville?

Collierville sits at 35.0°N, 89.7°W, 381 ft above sea level, in United States. The nearest listed city is Germantown, 8.7 mi away.

Topography around Collierville

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

Within 2 miles, the terrain around Collierville has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 361 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 331 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 636 ft.

The land around Collierville is covered by trees (50%) and artificial surfaces (24%) within 2 miles, trees (61%) and grassland (20%) within 10 miles, and trees (58%) and cropland (28%) within 50 miles.

2 miles
157 ft
10 miles
331 ft
50 miles
636 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Germantown 8.7 mi · Cordova 9.9 mi · Olive Branch 11 mi · Ellendale 16 mi · Bartlett 16 mi · Southaven 20 mi · Horn Lake 22 mi · New South Memphis 22 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 Collierville (35.042°, -89.6645°, elevation 381 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).