Fairmont weather in August

In August, Fairmont sees average daytime highs of 80°F and overnight lows near 63°F, with 4.3 in of rain across 12.2 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 80°F through the month. The sky is clear or mostly clear about 27% 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 Fairmont's 2nd-clearest and 12th-windiest month. For the whole year in context, see Fairmont's year-round climate.

Daytime high
80°
2nd warmest
Overnight low
63°
11th coldest
Rainfall
4.3 in
12.2 wet days
Daylight
13 h 36 min
5:38 AM – 7:12 PM
Cloud cover
57%
2nd clearest
Wind
5 mph
12th windiest
Solar energy
5.3 kWh/m²
Travel score
6.2
out of 10

Fairmont is county seat of Marion County, West Virginia, United States.

Density
803/km²
people per km²
Founded
1819

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 80°F through the month.

A typical August day in Fairmont reaches about 80°F in the afternoon and slips back to 63°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 87°F. Set against its neighbours, August runs on par with July and about 5°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18164
28164
38164
48164
58164
68164
78164
88064
98064
108064
118064
128064
138064
148063
158063
168063
178063
188063
198063
208063
218063
228063
238063
248062
258062
268062
278062
287962
297962
307962
317961

How August really feels in Fairmont

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.

Fairmont weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 25°4.012.96.69.50.0
Feb42° / 27°3.811.75.410.40.4
Mar52° / 34°4.713.93.511.72.4
Apr64° / 44°4.914.20.9134.9
May71° / 53°5.615.3014.15.7
Jun78° / 61°5.514.4014.76.0
Jul81° / 65°5.615.7014.55.7
Aug80° / 63°4.312.2013.66.2
Sep75° / 56°4.210.4012.36.8
Oct64° / 46°3.710.60.2115.6
Nov52° / 36°3.710.71.59.82.8
Dec43° / 30°4.112.34.59.30.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 25% of August, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55050
65050
75050
85050
95050
104951
114951
124951
135050
145050
155149
165149
175248
185347
195347
205446
215446
225446
235545
245545
255644
265644
275644
285743
295644
305743
315743

Chance of precipitation in August

Any precipitation

Fairmont gets around 4.3 in of rain over 12.2 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 40% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
246
345
444
543
643
742
842
942
1042
1142
1242
1342
1442
1542
1642
1742
1841
1941
2040
2140
2239
2339
2438
2537
2636
2736
2835
2934
3034
3133

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 44% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1314313913
2414313913
3415313812
4415313812
5416313812
6416313711
7516313711
8517313611
9517313611
10517323510
11617323510
12617323510
1361832359
1461832359
1561832359
1661832358
1771832358
1871832358
1971833348
2071933348
2171932348
2271932338
2381932338
2482031328
2592031328
26102030319
27112130309
28112129309
29122129299
30132128289
31142228278

Wind in August

Winds average 5 mph in August, the calmest month.

Across August, daily wind ranges from about 5 mph on the calmest days to 5 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
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:24 AM to 5:52 AM, and sunset from 7:30 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:247:30
214.15:257:29
314.05:257:28
414.05:267:26
514.05:277:25
613.95:287:24
713.95:297:23
813.95:307:22
913.85:317:21
1013.85:327:19
1113.85:337:18
1213.75:347:17
1313.75:357:16
1413.65:367:14
1513.65:377:13
1613.65:387:12
1713.55:397:10
1813.55:407:09
1913.45:417:07
2013.45:427:06
2113.45:437:05
2213.35:437:03
2313.35:447:02
2413.25:457:00
2513.25:466:59
2613.25:476:57
2713.15:486:55
2813.15:496:54
2913.05:506:52
3013.05:516:51
3113.05:526:49

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.3 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 5.99 kWh/m² in June across the year — August's 5.3 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
314.9Bright
Planning a trip in August

Is August a good time to visit Fairmont?

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

6.2
Sightseeing
2nd-best month of the year
6.2
Beach & pool
1st-best month of the year

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

What to pack for Fairmont in August

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

In August, Fairmont sees daytime highs around 80°F and nights near 63°F. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Fairmont 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 Fairmont peaks around June 19 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 19UV 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 Fairmont 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 Fairmont is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1217 µg/m³Nov 187 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May14Moderate
Jun17Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Fairmont?

Fairmont sits at 39.5°N, 80.1°W, 984 ft above sea level, in United States. The nearest listed city is Morgantown, 14 mi away.

Topography around Fairmont

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

Within 2 miles, the terrain around Fairmont has only modest variations in elevation — a maximum elevation change of 535 ft around an average of 1,063 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,204 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,524 ft.

The land around Fairmont is covered by trees (64%) within 2 miles, trees (79%) within 10 miles, and trees (86%) within 50 miles.

2 miles
535 ft
10 miles
1,204 ft
50 miles
3,524 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Morgantown 14 mi · Clarksburg 18 mi · Wheeling 50 mi · Bethel Park 58 mi · Upper Saint Clair 59 mi · Baldwin 60 mi · Mount Lebanon 60 mi · McKeesport 62 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 Fairmont (39.4851°, -80.1426°, elevation 984 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).