Shelbyville weather in August

In August, Shelbyville sees average daytime highs of 85°F and overnight lows near 67°F, with 3.0 in of rain across 10.1 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 85°F through the month. The sky is clear or mostly clear about 37% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Shelbyville's 3rd-clearest and 11th-windiest month. For the whole year in context, see Shelbyville's year-round climate.

Daytime high
85°
2nd warmest
Overnight low
67°
11th coldest
Rainfall
3.0 in
10.1 wet days
Daylight
13 h 30 min
6:00 AM – 7:30 PM
Cloud cover
54%
3rd clearest
Wind
5 mph
11th windiest
Solar energy
5.62 kWh/m²
Travel score
5.3
out of 10

Shelbyville is city in Shelby County, Kentucky, United States.

Density
698/km²
people per km²
Founded
1792

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 85°F through the month.

A typical August day in Shelbyville reaches about 85°F in the afternoon and slips back to 67°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 92°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18669
28668
38668
48668
58568
68568
78568
88568
98568
108568
118568
128567
138567
148567
158567
168567
178567
188567
198567
208567
218567
228567
238567
248567
258567
268566
278566
288566
298566
308466
318465

How August really feels in Shelbyville

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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Shelbyville 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
Jan41° / 27°3.710.43.39.60.1
Feb46° / 30°3.69.6310.51.1
Mar55° / 37°4.611.91.511.73.4
Apr66° / 47°5.112.50.3135.6
May75° / 57°5.113.70146.2
Jun83° / 66°4.212.6014.65.5
Jul86° / 69°4.112.1014.44.8
Aug85° / 67°3.010.1013.55.3
Sep79° / 60°3.28.2012.36.9
Oct67° / 48°3.48.20116.5
Nov55° / 38°3.69.10.69.93.5
Dec45° / 31°4.3112.49.41.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45644
55644
65644
75644
85644
95644
105644
115545
125545
135545
145545
155545
165644
175743
185743
195743
205743
215743
225743
235743
245842
255842
265842
275842
285941
295941
305941
315941

Chance of precipitation in August

Any precipitation

Shelbyville gets around 3.0 in of rain over 10.1 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
435
534
634
734
834
934
1034
1134
1234
1334
1434
1533
1633
1733
1832
1932
2032
2132
2232
2332
2432
2531
2631
2731
2831
2930
3030
3130

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13132630290
23142529280
34142629270
44142629270
54142529270
64152529260
75152529260
85152528261
95162528261
106162428261
116162428261
126162428251
136172328251
146172328241
157172328241
167172329231
177172329221
187172330221
197172330221
207172331211
217162331211
227162332211
237162332211
248162332210
258162332200
268162332200
278172332200
289172332190
299182232180
3010182232180
3111192232170

Wind in August

Winds average 5 mph in August.

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 14 hours 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 66 minutes over August. Sunrise moves from 5:47 AM to 6:14 AM, and sunset from 7:47 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:477:47
214.05:487:46
313.95:497:45
413.95:497:44
513.95:507:43
613.85:517:42
713.85:527:41
813.85:537:40
913.75:547:38
1013.75:557:37
1113.75:567:36
1213.65:577:35
1313.65:577:34
1413.65:587:32
1513.55:597:31
1613.56:007:30
1713.56:017:28
1813.46:027:27
1913.46:037:26
2013.36:047:24
2113.36:057:23
2213.36:067:22
2313.26:067:20
2413.26:077:19
2513.16:087:17
2613.16:097:16
2713.16:107:14
2813.06:117:13
2913.06:127:11
3012.96:137:10
3112.96:147:08

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.62 kWh/m².

For context, solar energy here swings from a low near 1.78 kWh/m² to a high of 6.19 kWh/m² in June across the year — August's 5.62 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.3Bright
285.3Bright
295.3Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Shelbyville?

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

5.3
Sightseeing
6th-best month of the year
7.0
Beach & pool
1st-best month of the year

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

What to pack for Shelbyville in August

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

In August, Shelbyville sees daytime highs around 85°F and nights near 67°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Shelbyville 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 Shelbyville peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 22UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Shelbyville 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 Shelbyville is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Dec 118 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr11Good
May15Moderate
Jun17Moderate
Jul19Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Shelbyville?

Shelbyville sits at 38.2°N, 85.2°W, 761 ft above sea level, in United States. The nearest listed city is Jeffersontown, 19 mi away.

Topography around Shelbyville

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

Within 2 miles, the terrain around Shelbyville has only modest variations in elevation — a maximum elevation change of 148 ft around an average of 755 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 669 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,030 ft.

The land around Shelbyville is covered by grassland (34%) and trees (30%) within 2 miles, grassland (39%), trees (31%) and cropland (28%) within 10 miles, and trees (53%) and grassland (33%) within 50 miles.

2 miles
148 ft
10 miles
669 ft
50 miles
1,030 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Jeffersontown 19 mi · Frankfort 19 mi · Fern Creek 20 mi · Highview 22 mi · Saint Matthews 24 mi · Newburg 24 mi · Okolona 25 mi · Jeffersonville 28 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 Shelbyville (38.212°, -85.2236°, elevation 761 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).