Richmond weather in August

In August, Richmond sees average daytime highs of 82°F and overnight lows near 64°F, with 2.9 in of rain across 9.7 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 82°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 Richmond's 2nd-clearest and 12th-windiest month. For the whole year in context, see Richmond's year-round climate.

Daytime high
82°
2nd warmest
Overnight low
64°
11th coldest
Rainfall
2.9 in
9.7 wet days
Daylight
13 h 36 min
5:56 AM – 7:31 PM
Cloud cover
54%
2nd clearest
Wind
6 mph
12th windiest
Solar energy
5.65 kWh/m²
Travel score
6.5
out of 10

Richmond is city in Indiana, United States.

Density
575/km²
people per km²
Founded
1806

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 82°F through the month.

A typical August day in Richmond reaches about 82°F in the afternoon and slips back to 64°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 89°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)
18265
28265
38265
48265
58265
68265
78265
88265
98265
108265
118265
128265
138264
148264
158264
168264
178264
188264
198264
208264
218264
228264
238264
248164
258164
268164
278163
288163
298163
308163
318162

How August really feels in Richmond

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.

Richmond weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 22°3.29.74.69.50.0
Feb39° / 24°2.68.84.310.40.1
Mar50° / 33°4.011.22.411.72.1
Apr62° / 43°4.712.50.7134.9
May71° / 54°4.613.1014.26.1
Jun80° / 63°4.011.6014.86.3
Jul83° / 66°3.311.3014.55.9
Aug82° / 64°2.99.7013.66.5
Sep76° / 57°2.87.8012.37.2
Oct64° / 45°3.08.60.210.95.8
Nov50° / 35°3.48.719.82.4
Dec40° / 27°3.39.83.59.20.1

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 (%)
15644
25644
35545
45545
55545
65545
75545
85545
95545
105446
115446
125446
135347
145446
155446
165545
175545
185545
195545
205545
215545
225545
235545
245545
255545
265545
275644
285644
295743
305743
315743

Chance of precipitation in August

Any precipitation

Richmond gets around 2.9 in of rain over 9.7 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 31% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
333
433
533
633
733
833
933
1033
1133
1233
1333
1433
1532
1632
1732
1831
1931
2031
2130
2230
2330
2430
2530
2629
2729
2828
2928
3027
3127

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 26% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1923262616
2923262615
3923272615
41023272614
51023272614
61123272514
71123272513
81223272513
91223262513
101323262513
111323252513
121324252513
131324252512
141324242612
151424242612
161424242611
171424242711
181424242710
191424242710
201424242810
211424242810
221424242810
231423242810
241523242810
251622242710
261622252710
271721252710
28192125269
29202125269
30212125259
31222125248

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
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 5:42 AM to 6:11 AM, and sunset from 7:49 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:427:49
214.15:437:48
314.15:447:47
414.05:457:46
514.05:467:45
614.05:477:44
713.95:477:43
813.95:487:42
913.85:497:40
1013.85:507:39
1113.85:517:38
1213.75:527:37
1313.75:537:35
1413.75:547:34
1513.65:557:33
1613.65:567:31
1713.55:577:30
1813.55:587:28
1913.55:597:27
2013.46:007:25
2113.46:017:24
2213.36:027:23
2313.36:037:21
2413.36:047:19
2513.26:057:18
2613.26:067:16
2713.16:077:15
2813.16:087:13
2913.06:097:12
3013.06:107:10
3113.06:117:08

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.65 kWh/m².

For context, solar energy here swings from a low near 1.7 kWh/m² to a high of 6.25 kWh/m² in July across the year — August's 5.65 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.7Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in August

Is August a good time to visit Richmond?

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

6.5
Sightseeing
2nd-best month of the year
6.9
Beach & pool
1st-best month of the year

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

What to pack for Richmond in August

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

In August, Richmond sees daytime highs around 82°F and nights near 64°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Richmond 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 Richmond peaks around June 20 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 20UV 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 Richmond 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 Richmond 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 Richmond?

Richmond sits at 39.8°N, 84.9°W, 981 ft above sea level, in United States. The nearest listed city is Oxford, 24 mi away.

Topography around Richmond

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

Within 2 miles, the terrain around Richmond has only modest variations in elevation — a maximum elevation change of 279 ft around an average of 1,004 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 492 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 853 ft.

The land around Richmond is covered by trees (48%), artificial surfaces (26%) and grassland (20%) within 2 miles, cropland (58%) and trees (26%) within 10 miles, and cropland (60%) and trees (26%) within 50 miles.

2 miles
279 ft
10 miles
492 ft
50 miles
853 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Oxford 24 mi · New Castle 26 mi · Trotwood 31 mi · Middletown 34 mi · Hamilton 34 mi · Miamisburg 35 mi · Muncie 37 mi · Vandalia 37 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 Richmond (39.8289°, -84.8902°, elevation 981 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).