Lancaster weather in July

In July, Lancaster sees average daytime highs of 85°F and overnight lows near 69°F, with 3.9 in of rain across 11.1 wet days and about 14.6 hours of daylight. It is the 1st-warmest and 2nd-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 28% 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 Lancaster's 4th-clearest and 11th-windiest month. For the whole year in context, see Lancaster's year-round climate.

Daytime high
85°
1st warmest
Overnight low
69°
12th coldest
Rainfall
3.9 in
11.1 wet days
Daylight
14 h 36 min
4:53 AM – 7:28 PM
Cloud cover
57%
4th clearest
Wind
6 mph
11th windiest
Solar energy
6.03 kWh/m²
Travel score
5.1
out of 10

Lancaster is city in central Lancaster County, Pennsylvania, United States.

Density
3,116/km²
people per km²
Founded
1730

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 Lancaster reaches about 85°F in the afternoon and slips back to 69°F overnight — a 16°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 4°F warmer than June and about 2°F warmer than August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18467
28467
38468
48568
58568
68568
78568
88568
98568
108569
118569
128569
138569
148569
158569
168569
178569
188569
198569
208569
218569
228569
238569
248569
258569
268569
278569
288569
298569
308569
318569

How July really feels in Lancaster

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.

Lancaster weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 26°3.19.13.99.50.0
Feb42° / 27°2.993.810.40.3
Mar51° / 34°3.910.32.911.72.4
Apr63° / 45°3.610.30.3135.3
May72° / 55°3.611.4014.26.4
Jun81° / 64°3.711.1014.86.0
Jul85° / 69°3.911.1014.65.1
Aug83° / 67°3.410.3013.65.8
Sep76° / 60°4.39.3012.36.9
Oct65° / 48°3.68.40.110.96.0
Nov53° / 38°3.08.20.49.83.2
Dec44° / 31°3.69.22.39.20.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 (%)
14852
24951
35050
45050
55050
65149
75149
85248
95149
105248
115248
125347
135347
145347
155347
165347
175347
185248
195347
205248
215248
225149
235248
245149
255149
265149
275149
285149
295149
305149
315050

Chance of precipitation in July

Any precipitation

Lancaster gets around 3.9 in of rain over 11.1 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 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
435
535
634
734
834
933
1033
1133
1233
1333
1433
1533
1634
1734
1835
1935
2036
2137
2237
2338
2438
2539
2639
2739
2839
2939
3039
3139

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11322223112
21322223112
31321223112
41321223212
51321223213
61320223213
71320233213
81219233214
91219233214
101219243214
111118243215
121118243215
131118243216
141017253216
151017253117
161017243117
17917243118
18917243218
19917243219
20817243319
21816233319
22816233419
23716233419
24716233419
25716233419
26716243419
27716243419
28816243418
29816243418
30817243418
31917243417

Wind in July

Winds average 6 mph in July.

Across July, 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
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 4:44 AM to 5:06 AM, and sunset from 7:33 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:447:33
214.84:457:33
314.84:457:33
414.84:467:33
514.84:467:32
614.84:477:32
714.74:477:32
814.74:487:32
914.74:487:31
1014.74:497:31
1114.74:507:31
1214.74:507:30
1314.64:517:30
1414.64:527:29
1514.64:537:29
1614.64:537:28
1714.64:547:28
1814.54:557:27
1914.54:567:27
2014.54:567:26
2114.54:577:25
2214.44:587:24
2314.44:597:24
2414.45:007:23
2514.45:017:22
2614.35:027:21
2714.35:027:20
2814.35:037:19
2914.25:047:19
3014.25:057:18
3114.25:067:17

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.03 kWh/m².

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 6.1 kWh/m² in June across the year — July's 6.03 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.0Intense
196.0Intense
206.0Bright
215.9Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in July

Is July a good time to visit Lancaster?

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

5.1
Sightseeing
7th-best month of the year
6.8
Beach & pool
2nd-best month of the year

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

What to pack for Lancaster in July

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

In July, Lancaster sees daytime highs around 85°F and nights near 69°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Lancaster in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lancaster peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 23UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug6High
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Lancaster 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 Lancaster 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 1417 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Lancaster?

Lancaster sits at 40.0°N, 76.3°W, 361 ft above sea level, in United States. The nearest listed city is Lebanon, 22 mi away.

Topography around Lancaster

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

Within 2 miles, the terrain around Lancaster has only modest variations in elevation — a maximum elevation change of 246 ft around an average of 348 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 725 ft; within 50 miles, large variations in elevation — a maximum elevation change of 1,991 ft.

The land around Lancaster is covered by trees (48%) and artificial surfaces (35%) within 2 miles, cropland (33%), trees (31%) and grassland (26%) within 10 miles, and trees (55%) within 50 miles.

2 miles
246 ft
10 miles
725 ft
50 miles
1,991 ft
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Lebanon 22 mi · York 23 mi · Reading 29 mi · Bel Air North 34 mi · North Bel Air 35 mi · Harrisburg 35 mi · South Bel Air 35 mi · Bel Air South 37 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 Lancaster (40.0379°, -76.3055°, elevation 361 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).