New Castle weather in July

In July, New Castle sees average daytime highs of 81°F and overnight lows near 63°F, with 4.1 in of rain across 13.3 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 81°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 54 min at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is New Castle's 3rd-clearest and 11th-windiest month. For the whole year in context, see New Castle's year-round climate.

Daytime high
81°
1st warmest
Overnight low
63°
12th coldest
Rainfall
4.1 in
13.3 wet days
Daylight
14 h 42 min
5:07 AM – 7:47 PM
Cloud cover
58%
3rd clearest
Wind
5 mph
11th windiest
Solar energy
5.9 kWh/m²
Travel score
6.0
out of 10

New Castle is city in and the county seat of Lawrence County, Pennsylvania, United States.

Density
1,012/km²
people per km²
Founded
1802

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 81°F through the month.

A typical July day in New Castle reaches about 81°F in the afternoon and slips back to 63°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 89°F. Set against its neighbours, July runs about 4°F warmer than June and about 2°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18062
28062
38162
48162
58162
68162
78163
88163
98163
108163
118263
128263
138263
148263
158263
168263
178264
188264
198264
208264
218264
228164
238164
248164
258164
268164
278163
288163
298163
308163
318163

How July really feels in New Castle

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.

New Castle 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
Jan35° / 21°3.612.88.69.40.0
Feb38° / 22°2.810.96.610.40.0
Mar47° / 30°4.012.74.411.71.4
Apr60° / 41°4.614.21.513.14.2
May69° / 50°4.414.2014.35.7
Jun77° / 59°4.813.5014.96.2
Jul81° / 63°4.113.3014.66.0
Aug80° / 62°3.711013.66.5
Sep73° / 55°4.010.2012.36.7
Oct61° / 44°3.611.40.210.94.9
Nov49° / 34°3.510.72.39.71.9
Dec39° / 27°3.511.95.79.10.0

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 (%)
15050
25149
35149
45248
55347
65347
75446
85446
95545
105545
115446
125446
135446
145347
155248
165149
175149
185050
194951
204951
214951
224951
234951
244951
254951
265050
275050
285050
295149
305248
315248

Chance of precipitation in July

Any precipitation

New Castle gets around 4.1 in of rain over 13.3 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 42% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
143
242
342
441
541
640
740
840
940
1040
1140
1240
1340
1441
1542
1642
1743
1844
1944
2045
2145
2245
2345
2445
2545
2645
2744
2843
2942
3041
3140

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 37% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1172525285
2172524285
3172524295
4172524295
5172523295
6172523305
7162523306
8162423306
9162424316
10162324316
11152324316
12152225316
13152225327
14142126327
15142026327
16142027328
17141927328
18131928328
19131928329
20121929329
21121929319
22111929319
23102030319
24102030319
25102130319
2692131308
2792231308
28102231298
29102331297
30102331287
31112431287

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
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 54 min at the start of July to 14 h 18 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 4:57 AM to 5:20 AM, and sunset from 7:52 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:577:52
214.94:587:52
314.94:587:52
414.94:597:52
514.94:597:52
614.95:007:51
714.85:007:51
814.85:017:51
914.85:027:51
1014.85:027:50
1114.85:037:50
1214.85:047:49
1314.75:047:49
1414.75:057:48
1514.75:067:48
1614.75:077:47
1714.75:077:47
1814.65:087:46
1914.65:097:45
2014.65:107:45
2114.65:117:44
2214.55:127:43
2314.55:137:42
2414.55:137:42
2514.45:147:41
2614.45:157:40
2714.45:167:39
2814.35:177:38
2914.35:187:37
3014.35:197:36
3114.35:207:35

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.9 kWh/m².

For context, solar energy here swings from a low near 1.44 kWh/m² to a high of 5.96 kWh/m² in June across the year — July's 5.9 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.0Intense
126.0Intense
136.0Intense
146.0Bright
156.0Bright
165.9Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in July

Is July a good time to visit New Castle?

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

6.0
Sightseeing
4th-best month of the year
6.2
Beach & pool
2nd-best month of the year

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

What to pack for New Castle in July

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

In July, New Castle sees daytime highs around 81°F and nights near 63°F. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in New Castle 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 New Castle peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in New Castle 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 New Castle is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1216 µg/m³Nov 137 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr11Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov7Good
Dec8Good
Location & terrain

Where is New Castle?

New Castle sits at 41.0°N, 80.3°W, 853 ft above sea level, in United States. The nearest listed city is Boardman, 17 mi away.

Topography around New Castle

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

Within 2 miles, the terrain around New Castle has only modest variations in elevation — a maximum elevation change of 430 ft around an average of 988 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 732 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,089 ft.

The land around New Castle is covered by trees (56%), grassland (22%) and artificial surfaces (20%) within 2 miles, trees (58%) and grassland (25%) within 10 miles, and trees (69%) within 50 miles.

2 miles
430 ft
10 miles
732 ft
50 miles
1,089 ft
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Boardman 17 mi · Hermitage 17 mi · Youngstown 17 mi · Austintown 23 mi · Niles 25 mi · Cranberry Township 25 mi · Warren 29 mi · Allison Park 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 New Castle (41.0037°, -80.347°, elevation 853 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).