Cumberland weather in May

In May, Cumberland sees average daytime highs of 69°F and overnight lows near 51°F, with 4.1 in of rain across 13.3 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 66°F in the first days to 73°F by the end. The sky is clear or mostly clear about 23% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of May to 14 h 36 min by month's end. Set against the rest of the year, May is Cumberland's 7th-clearest and 8th-windiest month. For the whole year in context, see Cumberland's year-round climate.

Daytime high
69°
5th warmest
Overnight low
51°
8th coldest
Rainfall
4.1 in
13.3 wet days
Daylight
14 h 12 min
5:06 AM – 7:17 PM
Cloud cover
64%
7th clearest
Wind
6 mph
8th windiest
Solar energy
5.57 kWh/m²
Travel score
5.9
out of 10

Cumberland is city in Allegany County, Maryland, United States.

Density
769/km²
people per km²
Founded
1787

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 66°F in the first days to 73°F by the end.

A typical May day in Cumberland reaches about 69°F in the afternoon and slips back to 51°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 81°F. Set against its neighbours, May runs about 9°F warmer than April and about 8°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16546
26547
36647
46647
56647
66748
76748
86748
96749
106749
116849
126849
136850
146850
156950
166950
176951
186951
197051
207052
217052
227152
237153
247153
257253
267254
277354
287354
297355
307455
317455

How May really feels in Cumberland

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.

Cumberland 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
Jan37° / 22°3.19.55.39.50.0
Feb40° / 24°2.88.84.910.40.1
Mar48° / 31°3.811.13.711.71.8
Apr61° / 42°3.811.80.6134.7
May69° / 51°4.113.3014.25.9
Jun78° / 59°3.911.5014.76.4
Jul82° / 64°3.310.9014.56.3
Aug80° / 62°2.69.7013.66.6
Sep74° / 55°4.19.7012.36.9
Oct62° / 44°3.38.40.310.95.5
Nov50° / 34°3.18.41.19.82.4
Dec40° / 27°3.28.949.20.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24258
34357
44357
54357
64258
74258
84258
94159
104258
114258
124159
134159
144060
154159
164060
174060
183961
193961
203961
213961
223961
234060
244060
254060
264159
274159
284258
294258
304258
314258

Chance of precipitation in May

Any precipitation

Cumberland gets around 4.1 in of rain over 13.3 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 43% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
145
245
344
444
544
644
744
844
944
1044
1144
1244
1344
1443
1543
1643
1743
1843
1943
2043
2143
2243
2342
2442
2542
2641
2741
2841
2941
3040
3140

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1851320
2841420
3821530
4821530
5801640
6791740
7781750
8771850
9761860
10751870
11741880
12741880
13731890
147218100
157118110
167018120
176719131
186619141
196619141
206419152
216319162
226020173
235920183
245820184
255720194
265620195
275520205
285321206
295321206
305221207
315121217

Wind in May

Winds average 6 mph in May.

Across May, 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 May

DaylightNight

Daylight runs from about 13 h 42 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 54 minutes over May. Sunrise moves from 5:23 AM to 4:55 AM, and sunset from 7:02 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:237:02
213.75:217:03
313.75:207:04
413.85:197:05
513.85:187:06
613.85:177:07
713.95:157:08
813.95:147:09
913.95:137:10
1014.05:127:11
1114.05:117:12
1214.05:107:13
1314.15:097:14
1414.15:087:15
1514.15:077:16
1614.25:067:17
1714.25:057:17
1814.25:047:18
1914.35:037:19
2014.35:037:20
2114.35:027:21
2214.45:017:22
2314.45:007:23
2414.45:007:24
2514.44:597:25
2614.54:587:26
2714.54:587:26
2814.54:577:27
2914.54:567:28
3014.54:567:29
3114.64:557:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.57 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 6.04 kWh/m² in June across the year — May's 5.57 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
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.6Bright
205.6Bright
215.6Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.9Bright
315.9Bright
Planning a trip in May

Is May a good time to visit Cumberland?

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

5.9
Sightseeing
5th-best month of the year
3.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Cumberland for sightseeing.

What to pack for Cumberland in May

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

In May, Cumberland sees daytime highs around 69°F and nights near 51°F. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Cumberland 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 Cumberland peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highHighModerateLowJun 20UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Cumberland 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 Cumberland is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Nov 157 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar11Good
Apr11Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Cumberland?

Cumberland sits at 39.7°N, 78.8°W, 627 ft above sea level, in United States. The nearest listed city is Martinsburg, 45 mi away.

Topography around Cumberland

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

Within 2 miles, the terrain around Cumberland has significant variations in elevation — a maximum elevation change of 1,106 ft around an average of 853 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,398 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,924 ft.

The land around Cumberland is covered by trees (63%) and artificial surfaces (24%) within 2 miles, trees (82%) within 10 miles, and trees (79%) within 50 miles.

2 miles
1,106 ft
10 miles
2,398 ft
50 miles
3,924 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Martinsburg 45 mi · Winchester 45 mi · Johnstown 47 mi · Hagerstown 55 mi · Front Royal 59 mi · Chambersburg 62 mi · Altoona 63 mi · Morgantown 63 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 Cumberland (39.6529°, -78.7625°, elevation 627 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).