Cincinnati weather in August

In August, Cincinnati sees average daytime highs of 84°F and overnight lows near 67°F, with 3.0 in of rain across 9.9 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 84°F through the month. The sky is clear or mostly clear about 38% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 06 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Cincinnati's 2nd-clearest and 12th-windiest month. For the whole year in context, see Cincinnati's year-round climate.

Daytime high
84°
2nd warmest
Overnight low
67°
11th coldest
Rainfall
3.0 in
9.9 wet days
Daylight
13 h 30 min
5:56 AM – 7:28 PM
Cloud cover
53%
2nd clearest
Wind
5 mph
12th windiest
Solar energy
5.6 kWh/m²
Travel score
5.7
out of 10

Cincinnati is city in and seat of Hamilton County, Ohio, United States.

Density
1,521/km²
people per km²
Founded
1788

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 84°F through the month.

A typical August day in Cincinnati reaches about 84°F in the afternoon and slips back to 67°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 91°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)
18568
28568
38568
48468
58467
68467
78467
88467
98467
108467
118467
128467
138467
148467
158467
168467
178467
188466
198466
208466
218466
228466
238466
248366
258366
268366
278365
288365
298365
308365
318365

How August really feels in Cincinnati

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.

Cincinnati weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 25°3.310.14.29.60.0
Feb43° / 27°2.993.810.50.5
Mar53° / 35°4.1111.811.72.8
Apr65° / 46°4.612.20.4135.4
May74° / 56°4.613014.16.2
Jun82° / 65°4.212.1014.75.8
Jul85° / 68°3.511.3014.55.2
Aug84° / 67°3.09.9013.55.7
Sep78° / 59°2.77.9012.37.2
Oct66° / 47°3.08.20.1116.2
Nov53° / 37°3.38.90.89.93.1
Dec43° / 30°3.710.22.89.30.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35644
45545
55545
65545
75545
85545
95545
105545
115545
125545
135644
145644
155743
165743
175842
185842
195941
205941
215941
225941
235941
245941
255941
265941
275941
285941
296040
306040
316040

Chance of precipitation in August

Any precipitation

Cincinnati gets around 3.0 in of rain over 9.9 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
934
1034
1134
1234
1333
1433
1533
1632
1732
1831
1931
2030
2130
2230
2330
2430
2530
2629
2729
2828
2928
3028
3128

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 46% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
15182730200
26182730200
36192729190
46192729190
56192729190
66192728190
76202728190
87202728190
97212627190
107212627190
117222526191
128222526191
138222526181
148222526181
158232427171
168232427171
178232428161
189232428161
199232428161
209222330161
219222330160
229222331160
239222331150
249222231150
259222231150
2610222231150
2710222131150
2811232131140
2912232131140
3012242030130
3113252030130

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 h 06 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 72 minutes over August. Sunrise moves from 5:42 AM to 6:10 AM, and sunset from 7:46 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:427:46
214.05:437:45
314.05:447:44
414.05:457:43
513.95:467:42
613.95:477:41
713.95:477:40
813.85:487:39
913.85:497:37
1013.85:507:36
1113.75:517:35
1213.75:527:34
1313.75:537:32
1413.65:547:31
1513.65:557:30
1613.55:567:28
1713.55:577:27
1813.55:587:26
1913.45:597:24
2013.46:007:23
2113.36:017:21
2213.36:017:20
2313.36:027:19
2413.26:037:17
2513.26:047:16
2613.16:057:14
2713.16:067:13
2813.16:077:11
2913.06:087:09
3013.06:097:08
3112.96:107:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.6 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 6.17 kWh/m² in June across the year — August's 5.6 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
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Cincinnati?

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

5.7
Sightseeing
5th-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Cincinnati in August

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

In August, Cincinnati sees daytime highs around 84°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 Cincinnati in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cincinnati peaks around June 21 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 21UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Cincinnati 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 Cincinnati is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Oct 249 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr12Good
May15Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep12Moderate
Oct9Good
Nov9Good
Dec9Good
Location & terrain

Where is Cincinnati?

Cincinnati sits at 39.1°N, 84.5°W, 627 ft above sea level, in United States. The nearest listed city is Newport, 2.5 mi away.

Topography around Cincinnati

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

Within 2 miles, the terrain around Cincinnati has only modest variations in elevation — a maximum elevation change of 440 ft around an average of 659 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 531 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 853 ft.

The land around Cincinnati is covered by artificial surfaces (62%) and trees (30%) within 2 miles, trees (60%) and artificial surfaces (24%) within 10 miles, and trees (52%), cropland (24%) and grassland (20%) within 50 miles.

2 miles
440 ft
10 miles
531 ft
50 miles
853 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Newport 2.5 mi · Covington 3.1 mi · Norwood 3.7 mi · Fort Thomas 5.0 mi · White Oak 7.5 mi · Erlanger 8.7 mi · Florence 11 mi · Forest Park 11 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 Cincinnati (39.1271°, -84.5144°, elevation 627 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).