Hagerstown weather in August

In August, Hagerstown sees average daytime highs of 84°F and overnight lows near 66°F, with 2.6 in of rain across 8.7 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 84°F through the month. The sky is clear or mostly clear about 30% 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 Hagerstown's 3rd-clearest and 12th-windiest month. For the whole year in context, see Hagerstown's year-round climate.

Daytime high
84°
2nd warmest
Overnight low
66°
11th coldest
Rainfall
2.6 in
8.7 wet days
Daylight
13 h 36 min
5:28 AM – 7:02 PM
Cloud cover
57%
3rd clearest
Wind
5 mph
12th windiest
Solar energy
5.35 kWh/m²
Travel score
5.7
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 August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 84°F through the month.

A typical August day in Hagerstown reaches about 84°F in the afternoon and slips back to 66°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 91°F. Set against its neighbours, August runs about 2°F cooler than July and about 7°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18567
28567
38567
48567
58567
68567
78567
88567
98567
108567
118567
128467
138467
148466
158466
168466
178466
188466
198466
208466
218465
228365
238365
248365
258365
268365
278365
288365
298364
308264
318264

How August really feels in Hagerstown

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.

Hagerstown weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 12th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
35050
45050
55149
65149
75149
85149
95149
105050
115149
125149
135149
145248
155248
165248
175248
185446
195446
205446
215446
225446
235446
245446
255446
265446
275446
285446
295446
305446
315446

Chance of precipitation in August

Any precipitation

Hagerstown gets around 2.6 in of rain over 8.7 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
331
431
531
631
731
831
931
1031
1131
1230
1330
1430
1530
1629
1729
1828
1928
2028
2127
2227
2326
2426
2526
2626
2726
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 31% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1111827369
2111827368
3121926358
4121926359
5131925359
6131925349
7132024349
8142024339
9142024339
10142024339
11142024329
12142024329
13152125328
14152125318
15152126318
16152126317
17152126307
18152127307
19162127306
20162127306
21162227296
22172227295
23172227295
24182226285
25192226285
26202325276
27202324276
28212323266
29222422266
30232422256
31242421256

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 5:14 AM to 5:42 AM, and sunset from 7:20 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:147:20
214.15:157:19
314.05:157:18
414.05:167:17
514.05:177:16
613.95:187:15
713.95:197:14
813.95:207:12
913.85:217:11
1013.85:227:10
1113.85:237:09
1213.75:247:07
1313.75:257:06
1413.65:267:05
1513.65:277:04
1613.65:287:02
1713.55:297:01
1813.55:306:59
1913.55:316:58
2013.45:326:57
2113.45:336:55
2213.35:346:54
2313.35:356:52
2413.35:356:51
2513.25:366:49
2613.25:376:48
2713.15:386:46
2813.15:396:44
2913.05:406:43
3013.05:416:41
3113.05:426:40

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.35 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 — August's 5.35 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
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 Hagerstown?

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

5.7
Sightseeing
5th-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Hagerstown in August

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

In August, Hagerstown sees daytime highs around 84°F and nights near 66°F. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Hagerstown in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — 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 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 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
August 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).