Lancaster weather in July

In July, Lancaster sees average daytime highs of 83°F and overnight lows near 66°F, with 3.8 in of rain across 11.8 wet days and about 14.5 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 83°F through the month. The sky is clear or mostly clear about 31% 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 06 min by month's end. Set against the rest of the year, July is Lancaster's 3rd-clearest and 11th-windiest month. For the whole year in context, see Lancaster's year-round climate.

Daytime high
83°
1st warmest
Overnight low
66°
12th coldest
Rainfall
3.8 in
11.8 wet days
Daylight
14 h 36 min
5:19 AM – 7:53 PM
Cloud cover
56%
3rd clearest
Wind
5 mph
11th windiest
Solar energy
6.07 kWh/m²
Travel score
5.5
out of 10

Lancaster is city in Fairfield County, Ohio, United States.

Density
812/km²
people per km²
Founded
1800

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 83°F through the month.

A typical July day in Lancaster reaches about 83°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 76°F and 90°F. Set against its neighbours, July runs about 3°F warmer than June and on par with August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18365
28365
38365
48365
58365
68365
78365
88365
98466
108466
118466
128466
138466
148466
158466
168466
178466
188466
198466
208466
218466
228466
238466
248466
258366
268366
278366
288366
298366
308366
318366

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 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 23°3.611.25.69.50.0
Feb41° / 25°3.1104.410.40.2
Mar51° / 33°4.311.62.611.72.3
Apr63° / 44°4.712.60.5135.0
May72° / 53°4.713.6014.26.1
Jun80° / 62°4.312.2014.86.1
Jul83° / 66°3.811.8014.55.5
Aug83° / 64°3.210.2013.66.1
Sep76° / 57°3.28.3012.37.1
Oct64° / 45°3.19.40.210.95.8
Nov51° / 35°3.39.519.82.6
Dec41° / 28°3.610.53.29.20.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 23% of July, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35347
45347
55446
65545
75545
85545
95545
105545
115545
125644
135644
145545
155446
165446
175347
185248
195248
205149
215149
225149
235248
245248
255248
265347
275347
285446
295545
305545
315545

Chance of precipitation in July

Any precipitation

Lancaster gets around 3.8 in of rain over 11.8 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 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
337
437
536
636
736
835
935
1035
1135
1236
1336
1436
1537
1638
1738
1839
1939
2040
2140
2240
2340
2440
2540
2639
2739
2838
2937
3036
3135

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 34% 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 (%)
11417243410
21417243410
31416243411
41416243411
51416243411
61416253412
71316253412
81316253412
91215263412
101215263413
111115263513
121115263514
131015263514
141014263514
15914263515
16914263516
17914263516
18814253517
19815253517
20815253517
21715253518
22715253518
23716243517
24716243517
25717243516
26718243516
27719243515
28720243414
29720253414
30821253313
31822253313

Wind in July

Winds average 5 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
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 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 5:10 AM to 5:32 AM, and sunset from 7:57 PM to 7:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.85:107:57
214.85:117:57
314.85:117:57
414.85:127:57
514.75:127:57
614.75:137:56
714.75:137:56
814.75:147:56
914.75:157:56
1014.75:157:55
1114.75:167:55
1214.65:177:55
1314.65:177:54
1414.65:187:54
1514.65:197:53
1614.65:197:53
1714.55:207:52
1814.55:217:51
1914.55:227:51
2014.55:237:50
2114.45:237:49
2214.45:247:49
2314.45:257:48
2414.45:267:47
2514.35:277:46
2614.35:287:46
2714.35:287:45
2814.25:297:44
2914.25:307:43
3014.25:317:42
3114.15:327:41

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.07 kWh/m².

For context, solar energy here swings from a low near 1.61 kWh/m² to a high of 6.19 kWh/m² in June across the year — July's 6.07 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
216.0Bright
226.0Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.8Bright
315.8Bright
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).

5.5
Sightseeing
6th-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 83°F and nights near 66°F. Pack light clothes and sun protection. Worth having: rain gear. About 12 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 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 20UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
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 2.3× the cleanest month (October, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1117 µg/m³Oct 247 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar11Good
Apr11Good
May14Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov7Good
Dec8Good
Location & terrain

Where is Lancaster?

Lancaster sits at 39.7°N, 82.6°W, 879 ft above sea level, in United States. The nearest listed city is Pickerington, 14 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 390 ft around an average of 889 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 548 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 925 ft.

The land around Lancaster is covered by trees (45%), grassland (26%) and artificial surfaces (22%) within 2 miles, trees (42%), cropland (36%) and grassland (20%) within 10 miles, and trees (55%) and cropland (27%) within 50 miles.

2 miles
390 ft
10 miles
548 ft
50 miles
925 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Pickerington 14 mi · Pataskala 20 mi · Reynoldsburg 20 mi · Whitehall 23 mi · Gahanna 26 mi · Newark 26 mi · Columbus 27 mi · Grove City 29 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 (39.7137°, -82.5993°, elevation 879 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).