Muncie weather in August

In August, Muncie sees average daytime highs of 81°F and overnight lows near 64°F, with 3.1 in of rain across 9.6 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 81°F through the month. The sky is clear or mostly clear about 37% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Muncie's 2nd-clearest and 12th-windiest month. For the whole year in context, see Muncie's year-round climate.

Daytime high
81°
2nd warmest
Overnight low
64°
11th coldest
Rainfall
3.1 in
9.6 wet days
Daylight
13 h 36 min
5:58 AM – 7:34 PM
Cloud cover
54%
2nd clearest
Wind
6 mph
12th windiest
Solar energy
5.6 kWh/m²
Travel score
6.6
out of 10

Muncie is county seat of Delaware County, Indiana, United States.

Density
988/km²
people per km²
Founded
1827

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 81°F through the month.

A typical August day in Muncie reaches about 81°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 74°F and 88°F. Set against its neighbours, August runs about 1°F cooler than July and about 5°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18265
28265
38265
48265
58265
68265
78265
88264
98264
108264
118164
128164
138164
148164
158164
168164
178164
188164
198164
208164
218164
228164
238163
248163
258163
268163
278163
288163
298163
308162
318062

How August really feels in Muncie

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.

Muncie weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan35° / 21°3.09.65.29.50.0
Feb38° / 23°2.58.84.610.40.0
Mar49° / 32°3.611.12.711.72.0
Apr62° / 43°4.412.50.6134.8
May71° / 53°4.513.9014.26.0
Jun80° / 63°4.211.9014.86.2
Jul83° / 66°3.411.5014.65.8
Aug81° / 64°3.19.6013.66.6
Sep76° / 56°2.67.9012.37.2
Oct64° / 45°3.18.90.210.95.8
Nov50° / 35°3.28.81.49.82.4
Dec39° / 26°2.9103.89.20.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65545
75545
85545
95545
105446
115446
125446
135446
145446
155545
165545
175644
185644
195644
205644
215644
225644
235743
245644
255644
265743
275743
285743
295743
305842
315842

Chance of precipitation in August

Any precipitation

Muncie gets around 3.1 in of rain over 9.6 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
332
432
532
632
732
832
932
1032
1132
1232
1332
1432
1532
1631
1731
1831
1931
2031
2131
2230
2330
2430
2529
2629
2728
2828
2927
3027
3127

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the humid band about 26% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1924262417
2924262416
31024262416
41024262415
51124262415
61124262415
71124262414
81224262414
91224262414
101323262414
111323252513
121323252513
131324252513
141324252512
151324252612
161224262711
171225262611
181225262611
191224262711
201224262710
211224262710
221224262710
231323262710
241423262710
251423262710
26162226279
27172226269
28182226269
29192225258
30212225258
31222224257

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 7 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
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 12 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 72 minutes over August. Sunrise moves from 5:43 AM to 6:12 AM, and sunset from 7:52 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:437:52
214.15:447:51
314.15:457:50
414.15:467:49
514.05:477:48
614.05:487:47
713.95:497:45
813.95:507:44
913.95:517:43
1013.85:527:42
1113.85:537:41
1213.85:547:39
1313.75:557:38
1413.75:567:37
1513.65:577:35
1613.65:587:34
1713.65:597:32
1813.55:597:31
1913.56:007:29
2013.46:017:28
2113.46:027:27
2213.46:037:25
2313.36:047:24
2413.36:057:22
2513.26:067:20
2613.26:077:19
2713.16:087:17
2813.16:097:16
2913.16:107:14
3013.06:117:12
3113.06:127:11

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 1.69 kWh/m² to a high of 6.28 kWh/m² in July across the year — August's 5.6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.4Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in August

Is August a good time to visit Muncie?

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
6.8
Beach & pool
1st-best month of the year

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

What to pack for Muncie in August

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

In August, Muncie sees daytime highs around 81°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 Muncie 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 Muncie 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 Muncie 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 Muncie is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1416 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar12Moderate
Apr12Moderate
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Muncie?

Muncie sits at 40.2°N, 85.4°W, 932 ft above sea level, in United States. The nearest listed city is Anderson, 17 mi away.

Topography around Muncie

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

Within 2 miles, the terrain around Muncie has only modest variations in elevation — a maximum elevation change of 82 ft around an average of 955 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 351 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 696 ft.

The land around Muncie is covered by artificial surfaces (38%), trees (36%) and grassland (21%) within 2 miles, cropland (60%) and trees (21%) within 10 miles, and cropland (74%) within 50 miles.

2 miles
82 ft
10 miles
351 ft
50 miles
696 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Anderson 17 mi · New Castle 18 mi · Marion 29 mi · Noblesville 34 mi · Greenfield 35 mi · Richmond 37 mi · Fishers 37 mi · Westfield 40 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 Muncie (40.1934°, -85.3864°, elevation 932 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).