Fairmont weather in May

In May, Fairmont sees average daytime highs of 71°F and overnight lows near 53°F, with 5.6 in of rain across 15.3 wet days and about 14.1 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 68°F in the first days to 74°F by the end. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 36 min by month's end. Set against the rest of the year, May is Fairmont's 6th-clearest and 8th-windiest month. For the whole year in context, see Fairmont's year-round climate.

Daytime high
71°
5th warmest
Overnight low
53°
8th coldest
Rainfall
5.6 in
15.3 wet days
Daylight
14 h 12 min
5:12 AM – 7:22 PM
Cloud cover
65%
6th clearest
Wind
6 mph
8th windiest
Solar energy
5.59 kWh/m²
Travel score
5.7
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 68°F in the first days to 74°F by the end.

A typical May day in Fairmont reaches about 71°F in the afternoon and slips back to 53°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 59°F and 82°F. Set against its neighbours, May runs about 7°F warmer than April and about 7°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16749
26849
36849
46849
56850
66950
76950
86951
96951
106951
117051
127052
137052
147052
157052
167153
177153
187153
197153
207154
217254
227254
237255
247355
257355
267356
277456
287456
297456
307457
317557

How May really feels in Fairmont

Once humidity and wind are folded in, May 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

May 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 May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43763
53664
63664
73763
83763
93862
103862
113862
123862
133961
143961
153961
164060
174060
183961
193961
203961
214060
224060
234060
244159
254159
264159
274159
284159
294159
304258
314258

Chance of precipitation in May

Any precipitation

Fairmont gets around 5.6 in of rain over 15.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 49% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
150
250
349
449
550
650
750
850
950
1051
1151
1251
1351
1451
1551
1651
1751
1851
1950
2050
2150
2249
2349
2448
2548
2648
2747
2847
2947
3047
3146

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17915600
27716700
37517800
47417900
572181000
671181100
768191210
867191310
965201410
1064201420
1163201520
1262201620
1361201630
1460201730
1558201840
1658191940
1757191950
1855192060
1954192160
2052192270
2151192280
2249192390
23481923100
24461924111
25441924121
26432024131
27422024131
28402024141
29392124151
30382124161
31372124171

Wind in May

Winds average 6 mph in May.

Across May, 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
17calm
27calm
37calm
47calm
57calm
67calm
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 May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 5:29 AM to 5:01 AM, and sunset from 7:07 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:297:07
213.75:277:08
313.75:267:09
413.85:257:10
513.85:247:11
613.85:227:12
713.95:217:13
813.95:207:14
913.95:197:15
1014.05:187:16
1114.05:177:17
1214.05:167:18
1314.15:157:19
1414.15:147:20
1514.15:137:21
1614.25:127:22
1714.25:117:23
1814.25:107:24
1914.35:097:24
2014.35:087:25
2114.35:087:26
2214.35:077:27
2314.45:067:28
2414.45:057:29
2514.45:057:30
2614.45:047:31
2714.55:047:31
2814.55:037:32
2914.55:027:33
3014.55:027:34
3114.65:017:35

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.59 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 — May's 5.59 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Is May a good time to visit Fairmont?

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

5.7
Sightseeing
4th-best month of the year
3.8
Beach & pool
5th-best month of the year

May is a reasonable time to visit Fairmont for sightseeing.

What to pack for Fairmont in May

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

In May, Fairmont sees daytime highs around 71°F and nights near 53°F. Pack rain gear. Worth having: sun protection. About 15 days see rain.

rain gearsun protection

UV index in Fairmont in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).