Cleveland weather in August

In August, Cleveland sees average daytime highs of 78°F and overnight lows near 66°F, with 3.5 in of rain across 11.7 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 78°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 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Cleveland's 1st-clearest and 12th-windiest month. For the whole year in context, see Cleveland's year-round climate.

Daytime high
78°
2nd warmest
Overnight low
66°
11th coldest
Rainfall
3.5 in
11.7 wet days
Daylight
13 h 42 min
5:40 AM – 7:21 PM
Cloud cover
51%
1st clearest
Wind
7 mph
12th windiest
Solar energy
5.63 kWh/m²
Travel score
6.6
out of 10

Cleveland is city in and county seat of Cuyahoga County, Ohio, United States.

Density
1,711/km²
people per km²
Founded
1796

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 78°F through the month.

A typical August day in Cleveland reaches about 78°F in the afternoon and slips back to 66°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 86°F. Set against its neighbours, August runs about 2°F cooler than July and about 6°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18067
28067
38067
48067
57967
67967
77967
87967
97967
107967
117967
127966
137966
147866
157866
167866
177866
187866
197866
207866
217865
227865
237865
247865
257865
267865
277865
287765
297764
307764
317764

How August really feels in Cleveland

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.

Cleveland weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 22°3.212.910.29.30.0
Feb35° / 23°2.510.3710.30.0
Mar43° / 30°3.311.84.811.70.7
Apr56° / 41°4.113.71.513.13.4
May67° / 53°3.813.6014.35.6
Jun77° / 63°4.413.2014.96.3
Jul80° / 68°3.912.1014.76.3
Aug78° / 66°3.511.7013.76.6
Sep72° / 59°3.410.5012.36.7
Oct61° / 48°3.411.80.110.94.8
Nov49° / 38°3.412.43.19.71.8
Dec38° / 29°3.212.57.29.10.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35941
45941
55941
65941
75941
85941
95941
105941
116040
126040
136040
146040
156040
166040
176139
186139
196040
206139
216040
226040
236040
246040
256040
266040
276040
286040
296040
306040
315941

Chance of precipitation in August

Any precipitation

Cleveland gets around 3.5 in of rain over 11.7 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
238
338
438
538
638
738
838
939
1039
1139
1239
1339
1439
1539
1638
1738
1838
1938
2038
2137
2237
2337
2436
2536
2635
2735
2835
2935
3035
3135

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 41% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1517333114
2517333113
3517333113
4518333113
5518323113
6519323113
7519313113
8620313113
9620303113
10620303112
11621303112
12721303112
13721303111
14721303111
15722303110
16722303110
1772230329
1872230329
1972230328
2072230338
2172230338
2272230338
2382230338
2482330327
2582329327
2692429317
2792429317
28102428307
29112528297
30112528287
31122528287

Wind in August

Winds average 7 mph in August, the calmest month.

Across August, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277light breeze
287light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 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 78 minutes over August. Sunrise moves from 5:25 AM to 5:56 AM, and sunset from 7:41 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:257:41
214.25:267:39
314.25:277:38
414.25:287:37
514.15:297:36
614.15:307:35
714.05:317:34
814.05:327:32
914.05:337:31
1013.95:347:30
1113.95:357:28
1213.85:367:27
1313.85:377:26
1413.85:387:24
1513.75:397:23
1613.75:407:21
1713.65:417:20
1813.65:437:18
1913.65:447:17
2013.55:457:15
2113.55:467:14
2213.45:477:12
2313.45:487:11
2413.35:497:09
2513.35:507:07
2613.25:517:06
2713.25:527:04
2813.25:537:03
2913.15:547:01
3013.15:556:59
3113.05:566:57

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 1.43 kWh/m² to a high of 6.5 kWh/m² in June across the year — August's 5.63 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Intense
46.0Bright
56.0Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.6Bright
175.6Bright
185.6Bright
195.5Bright
205.5Bright
215.5Bright
225.4Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.1Bright
315.1Bright
Planning a trip in August

Is August a good time to visit Cleveland?

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

6.6
Sightseeing
2nd-best month of the year
6.3
Beach & pool
2nd-best month of the year

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

What to pack for Cleveland in August

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

In August, Cleveland sees daytime highs around 78°F and nights near 66°F. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Cleveland in August

The nearest coast averages about 75°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 9 mi away) is warmest in August at about 75°F and coldest in February near 33°F.

It's comfortable for a long swim from Jun 28 to Sep 24 — about 2.9 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan36Bracing
Feb33Bracing
Mar35Bracing
Apr40Bracing
May51Bracing
Jun65Cool
Jul73Refreshing
Aug75Refreshing
Sep71Refreshing
Oct62Cool
Nov51Bracing
Dec42Bracing

UV index in Cleveland in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cleveland peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 19UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Cleveland 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 Cleveland is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1016 µg/m³Nov 137 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr13Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Cleveland?

Cleveland sits at 41.5°N, 81.7°W, 653 ft above sea level, in United States. The nearest listed city is Detroit-Shoreway, 2.5 mi away.

Topography around Cleveland

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

Within 2 miles, the terrain around Cleveland has only modest variations in elevation — a maximum elevation change of 177 ft around an average of 617 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 679 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 879 ft.

The land around Cleveland is covered by artificial surfaces (49%) and water (31%) within 2 miles, water (40%), artificial surfaces (29%) and trees (24%) within 10 miles, and water (42%) and trees (33%) within 50 miles.

2 miles
177 ft
10 miles
679 ft
50 miles
879 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Detroit-Shoreway 2.5 mi · Clark-Fulton 2.5 mi · Hough 3.1 mi · Glenville 5.0 mi · Lakewood 5.6 mi · East Cleveland 6.2 mi · Parma 6.8 mi · Cleveland Heights 7.5 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 Cleveland (41.4995°, -81.6954°, elevation 653 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).