Owensboro weather in August

In August, Owensboro sees average daytime highs of 86°F and overnight lows near 69°F, with 3.0 in of rain across 8.1 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 86°F through the month. The sky is clear or mostly clear about 42% 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 Owensboro's 3rd-clearest and 12th-windiest month. For the whole year in context, see Owensboro's year-round climate.

Daytime high
86°
2nd warmest
Overnight low
69°
11th coldest
Rainfall
3.0 in
8.1 wet days
Daylight
13 h 30 min
5:08 AM – 6:37 PM
Cloud cover
51%
3rd clearest
Wind
5 mph
12th windiest
Solar energy
5.73 kWh/m²
Travel score
5.2
out of 10

Owensboro is county seat of Daviess County, Kentucky, United States.

Density
1,052/km²
people per km²
Founded
1797

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 86°F through the month.

A typical August day in Owensboro reaches about 86°F in the afternoon and slips back to 69°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 93°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18770
28770
38770
48770
58770
68770
78769
88669
98669
108669
118669
128669
138669
148669
158669
168669
178669
188669
198669
208668
218668
228668
238668
248668
258668
268668
278668
288667
298567
308567
318567

How August really feels in Owensboro

Once humidity and wind are folded in, August averages 2 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
2
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.

Owensboro 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
Jan43° / 28°3.89.82.39.70.5
Feb47° / 31°3.69.42.510.51.5
Mar57° / 39°4.711.6111.74.0
Apr68° / 49°5.111.6012.96.0
May77° / 59°4.712.30146.4
Jun84° / 68°3.811.1014.65.3
Jul87° / 71°3.510.3014.34.7
Aug86° / 69°3.08.1013.55.2
Sep80° / 61°3.57.9012.36.8
Oct69° / 49°3.78.10116.8
Nov56° / 39°3.890.6104.0
Dec46° / 32°4.410.61.99.41.3

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 16% of August, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55941
65941
75842
85842
95842
105743
115743
125743
135743
145644
155644
165644
175743
185743
195743
205743
215743
225743
235743
245743
255842
265842
275941
285941
296040
306040
315941

Chance of precipitation in August

Any precipitation

Owensboro gets around 3.0 in of rain over 8.1 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 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
530
630
730
829
929
1029
1128
1228
1328
1427
1527
1626
1725
1825
1924
2024
2124
2224
2324
2424
2524
2625
2725
2825
2925
3026
3126

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12112129334
22112130324
32112230323
42112230313
52112230313
62112230313
73112230313
83112230303
93122230303
103122230303
113122230303
123122230293
133122230293
143132230283
153132230283
163132231273
174132331273
184132331273
194132331263
204132232272
214132232272
224122232272
234122232282
244122232281
254122232281
265122232281
275132232271
286132232271
296132232260
307142232250
318142231240

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 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 4:55 AM to 5:22 AM, and sunset from 6:54 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.04:556:54
213.94:566:53
313.94:576:52
413.94:586:51
513.84:596:50
613.85:006:49
713.85:016:47
813.75:016:46
913.75:026:45
1013.75:036:44
1113.65:046:43
1213.65:056:42
1313.65:066:40
1413.55:076:39
1513.55:086:38
1613.55:086:37
1713.45:096:35
1813.45:106:34
1913.45:116:33
2013.35:126:31
2113.35:136:30
2213.25:146:29
2313.25:156:27
2413.25:166:26
2513.15:166:24
2613.15:176:23
2713.15:186:21
2813.05:196:20
2913.05:206:18
3012.95:216:17
3112.95:226:15

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.73 kWh/m².

For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 6.36 kWh/m² in June across the year — August's 5.73 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Bright
56.0Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.4Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in August

Hazard calendar for Owensboro

In seasonPeak

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

Owensboro 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 Owensboro?

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

5.2
Sightseeing
6th-best month of the year
7.2
Beach & pool
1st-best month of the year

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

What to pack for Owensboro in August

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

In August, Owensboro sees daytime highs around 86°F and nights near 69°F. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Owensboro 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 Owensboro peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 23UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Moderate

Air quality in Owensboro 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 Owensboro is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1519 µg/m³Nov 168 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr12Good
May15Moderate
Jun17Moderate
Jul20Moderate
Aug16Moderate
Sep12Moderate
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Owensboro?

Owensboro sits at 37.8°N, 87.1°W, 394 ft above sea level, in United States. The nearest listed city is Henderson, 26 mi away.

Topography around Owensboro

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

Within 2 miles, the terrain around Owensboro has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 394 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 269 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 617 ft.

The land around Owensboro is covered by artificial surfaces (32%) and trees (24%) within 2 miles, cropland (57%) and trees (22%) within 10 miles, and trees (50%) and cropland (35%) within 50 miles.

2 miles
157 ft
10 miles
269 ft
50 miles
617 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Henderson 26 mi · Evansville 28 mi · Madisonville 37 mi · Jasper 43 mi · Radcliff 64 mi · Bowling Green 65 mi · Hopkinsville 66 mi · Vincennes 66 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 Owensboro (37.7742°, -87.1133°, elevation 394 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).