Fairfield Heights weather in August

In August, Fairfield Heights sees average daytime highs of 82°F and overnight lows near 65°F, with 3.0 in of rain across 9.3 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 40% 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 Fairfield Heights's 2nd-clearest and 12th-windiest month. For the whole year in context, see Fairfield Heights's year-round climate.

Daytime high
82°
2nd warmest
Overnight low
65°
11th coldest
Rainfall
3.0 in
9.3 wet days
Daylight
13 h 36 min
6:02 AM – 7:37 PM
Cloud cover
53%
2nd clearest
Wind
6 mph
12th windiest
Solar energy
5.67 kWh/m²
Travel score
6.3
out of 10

Fairfield Heights is human settlement in United States of America.

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 Fairfield Heights reaches about 82°F in the afternoon and slips back to 65°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 75°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)
18366
28366
38366
48366
58366
68366
78365
88365
98365
108365
118365
128265
138265
148265
158265
168265
178265
188265
198265
208265
218264
228264
238264
248264
258264
268264
278264
288264
298264
308263
318263

How August really feels in Fairfield Heights

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.

Fairfield Heights 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°3.294.39.50.0
Feb40° / 25°2.68.44.110.40.1
Mar51° / 33°3.810.82.111.72.3
Apr63° / 44°4.911.80.3135.1
May72° / 55°4.913.4014.26.1
Jun81° / 64°4.411.7014.86.1
Jul84° / 67°3.711.3014.55.5
Aug82° / 65°3.09.3013.66.3
Sep77° / 57°2.87.4012.37.3
Oct64° / 46°3.38.60.110.95.9
Nov51° / 35°3.58.80.99.82.5
Dec40° / 27°3.09.73.59.20.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% 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 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55842
65842
75743
85743
95743
105743
115644
125644
135743
145644
155644
165743
175743
185743
195743
205644
215644
225644
235644
245743
255743
265743
275743
285842
295842
305941
315941

Chance of precipitation in August

Any precipitation

Fairfield Heights gets around 3.0 in of rain over 9.3 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 30% and peaks near 33% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
333
432
532
632
732
832
932
1032
1132
1232
1332
1432
1531
1631
1730
1830
1930
2029
2129
2229
2329
2428
2528
2627
2727
2826
2926
3026
3126

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 (%)Miserable (%)
18212427190
28222427190
38222427180
48222428180
59222428170
69222428170
79222428161
810222328161
910222328161
1010222328161
1111222328161
1211222328161
1311222328151
1411232328151
1511232328151
1610232328141
1710232328141
1810232428141
1910232428141
2010232428141
2110222429141
2211222429141
2311222529131
2412222528130
2512222528130
2613212428130
2714212428120
2816212427120
2917212427110
3018212426110
3119212426100

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 5:48 AM to 6:17 AM, and sunset from 7:55 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:487:55
214.15:497:54
314.15:507:53
414.05:517:52
514.05:527:51
614.05:537:50
713.95:537:49
813.95:547:48
913.85:557:46
1013.85:567:45
1113.85:577:44
1213.75:587:42
1313.75:597:41
1413.76:007:40
1513.66:017:38
1613.66:027:37
1713.56:037:36
1813.56:047:34
1913.56:057:33
2013.46:067:31
2113.46:077:30
2213.36:087:28
2313.36:097:27
2413.36:107:25
2513.26:117:24
2613.26:127:22
2713.16:137:21
2813.16:147:19
2913.06:157:18
3013.06:167:16
3113.06:177:14

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.67 kWh/m².

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 6.3 kWh/m² in June across the year — August's 5.67 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Bright
56.0Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.6Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.3Bright
285.3Bright
295.3Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Fairfield Heights?

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

6.3
Sightseeing
2nd-best month of the year
7.0
Beach & pool
1st-best month of the year

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

What to pack for Fairfield Heights in August

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

In August, Fairfield Heights sees daytime highs around 82°F and nights near 65°F. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Fairfield Heights 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 Fairfield Heights peaks around June 23 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 23UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Fairfield Heights 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 Fairfield Heights 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1416 µg/m³Oct 218 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar12Moderate
Apr12Good
May14Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Fairfield Heights?

Fairfield Heights sits at 39.8°N, 86.4°W, 883 ft above sea level, in United States. The nearest listed city is Brownsburg, 1.2 mi away.

Topography around Fairfield Heights

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

Within 2 miles, the terrain around Fairfield Heights has only modest variations in elevation — a maximum elevation change of 138 ft around an average of 879 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 371 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 712 ft.

The land around Fairfield Heights is covered by grassland (35%), trees (27%) and artificial surfaces (23%) within 2 miles, cropland (31%), trees (27%) and grassland (24%) within 10 miles, and cropland (57%) and trees (31%) within 50 miles.

2 miles
138 ft
10 miles
371 ft
50 miles
712 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Brownsburg 1.2 mi · Avon 4.3 mi · Plainfield 8.7 mi · Zionsville 11 mi · Indianapolis 12 mi · Broad Ripple 13 mi · Lebanon 16 mi · Carmel 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 Fairfield Heights (39.8286°, -86.3822°, elevation 883 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).