New Castle weather in June

In June, New Castle sees average daytime highs of 77°F and overnight lows near 59°F, with 4.8 in of rain across 13.5 wet days and about 14.9 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 74°F in the first days to 80°F by the end. The sky is clear or mostly clear about 24% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of June to 14 h 54 min by month's end. Set against the rest of the year, June is New Castle's 5th-clearest and 9th-windiest month. For the whole year in context, see New Castle's year-round climate.

Daytime high
77°
3rd warmest
Overnight low
59°
10th coldest
Rainfall
4.8 in
13.5 wet days
Daylight
14 h 54 min
4:54 AM – 7:50 PM
Cloud cover
63%
5th clearest
Wind
6 mph
9th windiest
Solar energy
5.96 kWh/m²
Travel score
6.2
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 74°F in the first days to 80°F by the end.

A typical June day in New Castle reaches about 77°F in the afternoon and slips back to 59°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 68°F and 86°F. Set against its neighbours, June runs about 8°F warmer than May and about 4°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17455
27455
37456
47456
57556
67557
77557
87657
97658
107658
117658
127758
137759
147759
157859
167860
177860
187860
197860
207960
217960
227961
237961
247961
258061
268061
278061
288062
298062
308062

How June really feels in New Castle

Once humidity and wind are folded in, June 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

June 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 June compares with the rest of the year at a glance. June is the 3rd-warmest and 1st-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 21% of June, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54357
64357
74357
84258
94258
104258
114258
124258
134456
144456
154456
164555
174555
184555
194555
204654
214654
224753
234654
244654
254852
264852
274852
284951
294951
305050

Chance of precipitation in June

Any precipitation

New Castle gets around 4.8 in of rain over 13.5 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
143
243
343
444
544
644
744
844
944
1044
1144
1244
1344
1445
1545
1645
1745
1846
1946
2046
2146
2245
2345
2445
2545
2645
2744
2844
2944
3043

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1502020100
2492020100
3472121110
4462121120
5452122120
6432122131
7422122141
8412223141
9392223151
10382223161
11362224172
12342225182
13322225182
14302226192
15292326202
16272327212
17262327212
18252328222
19242428232
20232428232
21222428233
22212428243
23202528243
24192528243
25192528253
26182528254
27182527264
28182527264
29172526275
30172525275

Wind in June

Winds average 6 mph in June.

Across June, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 42 min at the start of June to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:57 AM to 4:57 AM, and sunset from 7:41 PM to 7:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:577:41
214.74:577:41
314.84:567:42
414.84:567:43
514.84:567:43
614.84:557:44
714.84:557:45
814.84:557:45
914.94:547:46
1014.94:547:47
1114.94:547:47
1214.94:547:48
1314.94:547:48
1414.94:547:49
1514.94:547:49
1614.94:547:50
1714.94:547:50
1814.94:547:50
1914.94:547:51
2014.94:547:51
2115.04:547:51
2215.04:547:51
2315.04:557:52
2415.04:557:52
2514.94:557:52
2614.94:557:52
2714.94:567:52
2814.94:567:52
2914.94:567:52
3014.94:577:52

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.96 kWh/m² — the sunniest month for solar.

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 — June's 5.96 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in June

Is June a good time to visit New Castle?

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

6.2
Sightseeing
3rd-best month of the year
5.6
Beach & pool
3rd-best month of the year

June is a reasonable time to visit New Castle for sightseeing.

What to pack for New Castle in June

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

In June, New Castle sees daytime highs around 77°F and nights near 59°F. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in New Castle in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June 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
June 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).