Middletown weather in August

In August, Middletown sees average daytime highs of 83°F and overnight lows near 66°F, with 3.2 in of rain across 9.9 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 83°F through the month. The sky is clear or mostly clear about 36% 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 13 hours by month's end. Set against the rest of the year, August is Middletown's 2nd-clearest and 12th-windiest month. For the whole year in context, see Middletown's year-round climate.

Daytime high
83°
2nd warmest
Overnight low
66°
11th coldest
Rainfall
3.2 in
9.9 wet days
Daylight
13 h 36 min
5:55 AM – 7:29 PM
Cloud cover
54%
2nd clearest
Wind
5 mph
12th windiest
Solar energy
5.63 kWh/m²
Travel score
6.0
out of 10

Middletown is city in Butler and Warren counties in southwestern Ohio, United States.

Density
713/km²
people per km²
Founded
1833

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 83°F through the month.

A typical August day in Middletown reaches about 83°F in the afternoon and slips back to 66°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 90°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)
18467
28467
38467
48367
58367
68366
78366
88366
98366
108366
118366
128366
138366
148366
158366
168366
178366
188365
198365
208365
218365
228365
238365
248365
258365
268265
278265
288264
298264
308264
318264

How August really feels in Middletown

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.

Middletown 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
Jan38° / 24°3.310.34.39.50.0
Feb41° / 26°2.99.23.710.40.3
Mar51° / 34°4.111.3211.72.5
Apr64° / 45°4.712.50.5135.2
May73° / 55°4.612.8014.16.2
Jun81° / 64°4.212.3014.75.9
Jul84° / 67°3.611.2014.55.4
Aug83° / 66°3.29.9013.66.0
Sep77° / 58°2.78012.37.2
Oct65° / 46°3.08.40.110.96.0
Nov52° / 37°3.39.10.89.82.8
Dec42° / 29°3.610.139.30.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45446
55446
65446
75347
85347
95446
105446
115446
125446
135446
145446
155446
165545
175545
185545
195644
205644
215644
225743
235644
245644
255644
265743
275743
285842
295842
305941
315941

Chance of precipitation in August

Any precipitation

Middletown gets around 3.2 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 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
334
434
534
634
734
834
934
1034
1133
1233
1333
1433
1533
1632
1732
1831
1931
2031
2131
2231
2331
2430
2530
2630
2729
2829
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 28% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1720272917
2720282916
3821282816
4821272816
5821272816
6921272716
7921272716
81021262716
91021262616
101022252616
111122252616
121122242616
131122242616
141123242716
151123232715
161123232715
171123232814
181123232814
191123232914
201123232914
211123232914
221123232914
231123232914
241223222914
251223222914
261323222913
271323222913
281423212913
291524212813
301524212812
311624212712

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 6 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
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 06 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 5:41 AM to 6:09 AM, and sunset from 7:47 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:417:47
214.15:427:46
314.05:427:45
414.05:437:44
514.05:447:42
613.95:457:41
713.95:467:40
813.95:477:39
913.85:487:38
1013.85:497:36
1113.85:507:35
1213.75:517:34
1313.75:527:33
1413.65:537:31
1513.65:547:30
1613.65:557:29
1713.55:567:27
1813.55:577:26
1913.45:587:24
2013.45:597:23
2113.46:007:22
2213.36:007:20
2313.36:017:19
2413.26:027:17
2513.26:037:16
2613.26:047:14
2713.16:057:13
2813.16:067:11
2913.06:077:09
3013.06:087:08
3113.06:097:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.63 kWh/m².

For context, solar energy here swings from a low near 1.67 kWh/m² to a high of 6.21 kWh/m² in June across the year — August's 5.63 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
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 Middletown?

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

6.0
Sightseeing
3rd-best month of the year
7.0
Beach & pool
1st-best month of the year

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

What to pack for Middletown in August

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

In August, Middletown sees daytime highs around 83°F and nights near 66°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Middletown 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 Middletown 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
Jun10Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Middletown 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 Middletown is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1217 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar12Good
Apr12Good
May14Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Middletown?

Middletown sits at 39.5°N, 84.4°W, 656 ft above sea level, in United States. The nearest listed city is Springboro, 9.3 mi away.

Topography around Middletown

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

Within 2 miles, the terrain around Middletown has only modest variations in elevation — a maximum elevation change of 276 ft around an average of 686 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 538 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 876 ft.

The land around Middletown is covered by trees (37%), artificial surfaces (28%) and grassland (25%) within 2 miles, trees (37%), grassland (30%) and cropland (24%) within 10 miles, and cropland (44%) and trees (36%) within 50 miles.

2 miles
276 ft
10 miles
538 ft
50 miles
876 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Springboro 9.3 mi · Miamisburg 11 mi · Mason 12 mi · Lebanon 12 mi · Hamilton 12 mi · Fairfield 14 mi · Centerville 15 mi · Forest Park 17 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 Middletown (39.5151°, -84.3983°, elevation 656 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).