Terre Haute weather in August

In August, Terre Haute sees average daytime highs of 83°F and overnight lows near 66°F, with 3.0 in of rain across 8.4 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 83°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 06 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Terre Haute's 2nd-clearest and 12th-windiest month. For the whole year in context, see Terre Haute's year-round climate.

Daytime high
83°
2nd warmest
Overnight low
66°
11th coldest
Rainfall
3.0 in
8.4 wet days
Daylight
13 h 36 min
6:07 AM – 7:41 PM
Cloud cover
51%
2nd clearest
Wind
6 mph
12th windiest
Solar energy
5.72 kWh/m²
Travel score
6.0
out of 10

Terre Haute is city and county seat of Vigo County, Indiana, United States.

Density
666/km²
people per km²
Founded
1811

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 Terre Haute reaches about 83°F in the afternoon and slips back to 66°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 91°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)
18467
28467
38467
48467
58467
68467
78467
88467
98466
108466
118366
128366
138366
148366
158366
168366
178366
188366
198366
208366
218366
228365
238365
248365
258365
268365
278365
288365
298365
308364
318364

How August really feels in Terre Haute

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.

Terre Haute 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
Jan37° / 23°3.29.23.79.50.0
Feb42° / 26°2.68.33.210.40.3
Mar52° / 35°3.710.71.711.72.8
Apr64° / 45°4.912.40.1135.3
May74° / 56°4.812.9014.16.3
Jun82° / 65°4.311.7014.75.7
Jul85° / 68°3.811014.55.2
Aug83° / 66°3.08.4013.56.0
Sep78° / 58°2.97.1012.37.3
Oct66° / 47°3.38.20.1116.2
Nov52° / 36°3.78.70.79.82.8
Dec41° / 28°2.99.32.79.30.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55941
65941
75842
85842
95842
105842
115842
125842
135842
145842
155842
165842
175842
185842
195941
205941
215941
226040
235941
246040
256040
266040
276139
286139
296139
306238
316238

Chance of precipitation in August

Any precipitation

Terre Haute gets around 3.0 in of rain over 8.4 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 27% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
330
430
529
629
728
828
928
1028
1128
1228
1328
1427
1527
1627
1727
1827
1927
2027
2127
2227
2327
2426
2526
2626
2725
2825
2925
3024
3124

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 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
15172229251
25182230241
35182230241
45182231231
55192231231
65192231221
75192231221
86192131221
96192131211
106202131211
116202230211
127202230211
137202229201
147212229201
157212329191
167212329191
177212328191
187212328191
197212328191
208212328191
218212329191
228202329191
238202329191
249202329191
259202329180
2610202329180
2711202229170
2812212229170
2913212229160
3013212228150
3115212228150

Wind in August

Winds average 6 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
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 5:53 AM to 6:21 AM, and sunset from 7:59 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:537:59
214.15:547:58
314.05:557:57
414.05:567:55
514.05:567:54
613.95:577:53
713.95:587:52
813.95:597:51
913.86:007:50
1013.86:017:48
1113.86:027:47
1213.76:037:46
1313.76:047:45
1413.66:057:43
1513.66:067:42
1613.66:077:41
1713.56:087:39
1813.56:097:38
1913.46:107:36
2013.46:117:35
2113.46:127:34
2213.36:137:32
2313.36:147:31
2413.26:157:29
2513.26:157:28
2613.26:167:26
2713.16:177:25
2813.16:187:23
2913.06:197:21
3013.06:207:20
3113.06:217:18

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.72 kWh/m².

For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 6.38 kWh/m² in June across the year — August's 5.72 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.0Intense
56.0Intense
66.0Bright
75.9Bright
85.9Bright
95.9Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.4Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in August

Is August a good time to visit Terre Haute?

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

6.0
Sightseeing
4th-best month of the year
7.3
Beach & pool
1st-best month of the year

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

What to pack for Terre Haute in August

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

In August, Terre Haute sees daytime highs around 83°F and nights near 66°F. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Terre Haute in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Terre Haute peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 11UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Terre Haute 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 Terre Haute is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1516 µg/m³Oct 218 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar12Moderate
Apr12Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Terre Haute?

Terre Haute sits at 39.5°N, 87.4°W, 499 ft above sea level, in United States. The nearest listed city is Charleston, 41 mi away.

Topography around Terre Haute

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

Within 2 miles, the terrain around Terre Haute has only modest variations in elevation — a maximum elevation change of 121 ft around an average of 486 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 289 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 646 ft.

The land around Terre Haute is covered by trees (42%) and artificial surfaces (31%) within 2 miles, trees (46%) and cropland (34%) within 10 miles, and cropland (59%) and trees (34%) within 50 miles.

2 miles
121 ft
10 miles
289 ft
50 miles
646 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Charleston 41 mi · Danville 47 mi · Crawfordsville 49 mi · Mattoon 51 mi · Bloomington 52 mi · Vincennes 55 mi · Plainfield 57 mi · Avon 58 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 Terre Haute (39.4667°, -87.4139°, elevation 499 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).