Hagerstown weather in May

In May, Hagerstown sees average daytime highs of 73°F and overnight lows near 54°F, with 3.6 in of rain across 11.7 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 69°F in the first days to 77°F by the end. The sky is clear or mostly clear about 24% 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 Hagerstown's 8th-clearest and 8th-windiest month. For the whole year in context, see Hagerstown's year-round climate.

Daytime high
73°
5th warmest
Overnight low
54°
8th coldest
Rainfall
3.6 in
11.7 wet days
Daylight
14 h 12 min
5:02 AM – 7:12 PM
Cloud cover
64%
8th clearest
Wind
6 mph
8th windiest
Solar energy
5.67 kWh/m²
Travel score
6.4
out of 10

Hagerstown is city in Maryland, United States.

Density
1,323/km²
people per km²
Founded
1762

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 69°F in the first days to 77°F by the end.

A typical May day in Hagerstown reaches about 73°F in the afternoon and slips back to 54°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 60°F and 85°F. Set against its neighbours, May runs about 9°F warmer than April and about 9°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16849
26949
36950
46950
56950
67051
77051
87051
97051
107152
117152
127152
137153
147153
157253
167253
177254
187354
197354
207355
217455
227455
237456
247556
257556
267657
277657
287658
297758
307758
317759

How May really feels in Hagerstown

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.

Hagerstown weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 25°3.18.83.79.50.0
Feb42° / 26°2.78.23.710.40.4
Mar52° / 34°3.710.32.711.72.6
Apr64° / 44°3.510.30.2135.5
May73° / 54°3.611.7014.26.4
Jun81° / 63°3.310.3014.76.1
Jul86° / 67°3.210.2014.55.1
Aug84° / 66°2.68.7013.65.7
Sep77° / 59°3.98.8012.37.0
Oct65° / 47°3.37.80.110.96.2
Nov53° / 37°3.07.80.59.83.2
Dec43° / 29°3.38.42.39.20.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54357
64258
74258
84258
94258
104258
114258
124159
134159
144258
154159
164159
174060
184060
194060
204060
213961
224159
234159
244159
254159
264159
274159
284159
294159
304159
314258

Chance of precipitation in May

Any precipitation

Hagerstown gets around 3.6 in of rain over 11.7 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 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
340
440
540
640
740
840
939
1039
1139
1239
1338
1437
1537
1636
1736
1836
1936
2036
2136
2235
2335
2435
2535
2635
2735
2835
2935
3035
3134

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1831250
2811360
3801460
4781570
5771670
6751780
7751780
8721891
9721891
107118101
117019101
126819112
136819112
146619123
156619123
166518134
176518134
186318145
196118156
205918167
215818168
225618179
2354181810
2454181810
2551191911
2650191912
2749191912
2848191913
2947202013
3046202014
3145202015

Wind in May

Winds average 6 mph in May.

Across May, 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
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
315calm

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 5:19 AM to 4:51 AM, and sunset from 6:58 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:196:58
213.75:176:59
313.75:167:00
413.85:157:01
513.85:147:02
613.85:127:03
713.95:117:04
813.95:107:05
913.95:097:06
1014.05:087:07
1114.05:077:08
1214.05:067:09
1314.15:057:09
1414.15:047:10
1514.15:037:11
1614.25:027:12
1714.25:017:13
1814.25:007:14
1914.34:597:15
2014.34:587:16
2114.34:587:17
2214.44:577:18
2314.44:567:19
2414.44:557:20
2514.44:557:20
2614.54:547:21
2714.54:537:22
2814.54:537:23
2914.54:527:24
3014.54:527:25
3114.64:517:25

Solar energy in May

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 1.8 kWh/m² to a high of 6.14 kWh/m² in June across the year — May's 5.67 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
316.0Bright
Planning a trip in May

Is May a good time to visit Hagerstown?

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

6.4
Sightseeing
2nd-best month of the year
4.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Hagerstown for sightseeing.

What to pack for Hagerstown in May

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

In May, Hagerstown sees daytime highs around 73°F and nights near 54°F. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Hagerstown in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Hagerstown peaks around July 10 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 highHighModerateLowJul 10UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Hagerstown 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 Hagerstown is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Nov 137 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Good
Apr12Good
May14Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Hagerstown?

Hagerstown sits at 39.6°N, 77.7°W, 538 ft above sea level, in United States. The nearest listed city is Martinsburg, 18 mi away.

Topography around Hagerstown

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

Within 2 miles, the terrain around Hagerstown has only modest variations in elevation — a maximum elevation change of 213 ft around an average of 568 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,663 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,825 ft.

The land around Hagerstown is covered by trees (39%) and artificial surfaces (38%) within 2 miles, trees (40%), cropland (29%) and grassland (24%) within 10 miles, and trees (63%) and grassland (20%) within 50 miles.

2 miles
213 ft
10 miles
1,663 ft
50 miles
2,825 ft
treesgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Martinsburg 18 mi · Chambersburg 21 mi · Frederick 23 mi · Ballenger Creek 24 mi · Damascus 37 mi · Leesburg 37 mi · Westminster 39 mi · Winchester 39 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 Hagerstown (39.6418°, -77.72°, elevation 538 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).