Harrisburg weather in July

In July, Harrisburg sees average daytime highs of 85°F and overnight lows near 68°F, with 3.6 in of rain across 10.3 wet days and about 14.6 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 85°F through the month. The sky is clear or mostly clear about 27% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 48 min at the start of July to 14 h 12 min by month's end. Set against the rest of the year, July is Harrisburg's 4th-clearest and 11th-windiest month. For the whole year in context, see Harrisburg's year-round climate.

Daytime high
85°
1st warmest
Overnight low
68°
12th coldest
Rainfall
3.6 in
10.3 wet days
Daylight
14 h 36 min
4:55 AM – 7:31 PM
Cloud cover
58%
4th clearest
Wind
5 mph
11th windiest
Solar energy
6 kWh/m²
Travel score
5.2
out of 10

Harrisburg is capital city of the U.S. state of Pennsylvania and seat of Dauphin County.

Density
1,633/km²
people per km²
Founded
1719

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 85°F through the month.

A typical July day in Harrisburg reaches about 85°F in the afternoon and slips back to 68°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 93°F. Set against its neighbours, July runs about 5°F warmer than June and about 2°F warmer than August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18466
28466
38567
48567
58567
68567
78567
88567
98567
108567
118567
128568
138668
148668
158668
168668
178668
188668
198668
208668
218668
228668
238568
248568
258568
268568
278568
288568
298568
308568
318568

How July really feels in Harrisburg

Once humidity and wind are folded in, July 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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Harrisburg weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan38° / 25°3.394.59.50.0
Feb41° / 26°2.88.94.210.40.2
Mar50° / 33°3.810.63.211.72.3
Apr63° / 44°3.610.60.3135.2
May72° / 53°3.512014.26.3
Jun81° / 63°3.411014.86.1
Jul85° / 68°3.610.3014.65.2
Aug83° / 66°3.19.6013.65.9
Sep76° / 59°4.39012.36.9
Oct64° / 47°3.58.30.110.95.9
Nov53° / 37°3.18.20.79.83.0
Dec43° / 30°3.59.22.99.20.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 24% of July, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35248
45149
55149
65248
75248
85248
95248
105347
115248
125347
135347
145347
155347
165347
175248
185149
195149
205050
215050
225050
235050
245050
254951
264951
274951
284951
294951
304951
315050

Chance of precipitation in July

Any precipitation

Harrisburg gets around 3.6 in of rain over 10.3 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
233
333
433
533
632
732
832
932
1032
1132
1232
1332
1432
1532
1633
1733
1833
1934
2034
2134
2235
2335
2435
2535
2635
2734
2834
2934
3033
3133

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1142324309
2132324309
31322243010
41322243010
51322243010
61322253010
71321253011
81321253011
91321252911
101320262912
111220262912
121220263012
131219273012
141119272913
151119272913
161118283013
171118273014
181118273014
191018273014
201017283014
211017283114
22917283114
23916283214
24916293214
25916293214
26916293213
27916293213
281017293212
291017293212
301017293211
311118283211

Wind in July

Winds average 5 mph in July.

Across July, 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 July

DaylightNight

Daylight runs from about 14 h 48 min at the start of July to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:46 AM to 5:08 AM, and sunset from 7:36 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:467:36
214.84:467:36
314.84:477:36
414.84:477:36
514.84:487:35
614.84:487:35
714.84:497:35
814.84:497:35
914.74:507:34
1014.74:517:34
1114.74:517:34
1214.74:527:33
1314.74:537:33
1414.64:537:32
1514.64:547:32
1614.64:557:31
1714.64:567:31
1814.64:577:30
1914.54:577:30
2014.54:587:29
2114.54:597:28
2214.55:007:27
2314.45:017:27
2414.45:027:26
2514.45:027:25
2614.35:037:24
2714.35:047:23
2814.35:057:22
2914.35:067:21
3014.25:077:20
3114.25:087:19

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6 kWh/m².

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 6.06 kWh/m² in June across the year — July's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.0Intense
186.0Intense
196.0Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in July

Hazard calendar for Harrisburg

In seasonPeak

In July, Harrisburg sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Harrisburg sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Harrisburg?

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

5.2
Sightseeing
6th-best month of the year
6.9
Beach & pool
2nd-best month of the year

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

What to pack for Harrisburg in July

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

In July, Harrisburg sees daytime highs around 85°F and nights near 68°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Harrisburg in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Harrisburg peaks around June 22 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 22UV 8Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Harrisburg in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Harrisburg is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Nov 118 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Moderate
Apr13Moderate
May14Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Harrisburg?

Harrisburg sits at 40.3°N, 76.9°W, 331 ft above sea level, in United States. The nearest listed city is Carlisle, 17 mi away.

Topography around Harrisburg

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

Within 2 miles, the terrain around Harrisburg has only modest variations in elevation — a maximum elevation change of 335 ft around an average of 367 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,260 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,300 ft.

The land around Harrisburg is covered by artificial surfaces (39%), trees (32%) and water (21%) within 2 miles, trees (59%) within 10 miles, and trees (58%) and cropland (22%) within 50 miles.

2 miles
335 ft
10 miles
1,260 ft
50 miles
2,300 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Carlisle 17 mi · York 23 mi · Lebanon 25 mi · Hanover 33 mi · Lancaster 35 mi · Chambersburg 47 mi · Westminster 48 mi · Reading 50 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 Harrisburg (40.2737°, -76.8844°, elevation 331 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).