Johnstown weather in June

In June, Johnstown sees average daytime highs of 74°F and overnight lows near 58°F, with 4.8 in of rain across 14.2 wet days and about 14.8 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 72°F in the first days to 77°F by the end. The sky is clear or mostly clear about 21% 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 Johnstown's 5th-clearest and 9th-windiest month. For the whole year in context, see Johnstown's year-round climate.

Daytime high
74°
3rd warmest
Overnight low
58°
10th coldest
Rainfall
4.8 in
14.2 wet days
Daylight
14 h 54 min
4:50 AM – 7:42 PM
Cloud cover
64%
5th clearest
Wind
6 mph
9th windiest
Solar energy
5.94 kWh/m²
Travel score
6.1
out of 10

Johnstown is city in Cambria County, Pennsylvania, United States.

Density
1,266/km²
people per km²
Founded
1770

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 72°F in the first days to 77°F by the end.

A typical June day in Johnstown reaches about 74°F in the afternoon and slips back to 58°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 66°F and 83°F. Set against its neighbours, June runs about 8°F warmer than May and about 4°F cooler than July.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
17154
27154
37254
47255
57255
67355
77356
87356
97356
107356
117457
127457
137457
147458
157558
167558
177558
187558
197558
207659
217659
227659
237659
247659
257660
267760
277760
287760
297760
307760

How June really feels in Johnstown

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.

Johnstown weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 20°3.714.410.99.50.0
Feb36° / 21°3.412.49.110.40.0
Mar45° / 29°4.414.16.411.70.9
Apr58° / 39°4.714.62.4133.7
May67° / 49°5.015.4014.25.3
Jun74° / 58°4.814.2014.86.1
Jul78° / 62°4.114.1014.66.2
Aug77° / 60°3.512.3013.66.5
Sep71° / 53°3.910.8012.36.5
Oct59° / 42°3.711.40.810.94.5
Nov47° / 33°3.511.53.59.81.6
Dec38° / 25°3.913.37.69.20.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54159
64060
74060
83961
93961
104060
114060
124060
134159
144258
154258
164258
174456
184456
194357
204456
214456
224456
234456
244555
254555
264555
274555
284555
294555
304555

Chance of precipitation in June

Any precipitation

Johnstown gets around 4.8 in of rain over 14.2 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 47% and peaks near 48% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
148
248
348
448
548
648
748
848
947
1047
1147
1247
1347
1447
1547
1647
1747
1847
1947
2047
2147
2246
2346
2446
2546
2645
2745
2845
2945
3044

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15222206
25222206
35022217
45022217
54921228
64821229
747212210
845212311
944212312
1043212413
1141212414
1239212515
1337212615
1435222616
1534222717
1632222817
1731232818
1830232918
1929242918
2028242919
2127243019
2226253019
2325253019
2424263119
2524263020
2623263021
2723263021
2822253022
2922252923
3022252924

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 4:54 AM to 4:53 AM, and sunset from 7:33 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:547:33
214.74:537:34
314.74:537:34
414.74:527:35
514.74:527:36
614.74:527:36
714.84:517:37
814.84:517:38
914.84:517:38
1014.84:517:39
1114.84:517:39
1214.84:507:40
1314.84:507:40
1414.84:507:41
1514.94:507:41
1614.94:507:42
1714.94:507:42
1814.94:507:42
1914.94:507:43
2014.94:507:43
2114.94:517:43
2214.94:517:44
2314.94:517:44
2414.94:517:44
2514.94:527:44
2614.94:527:44
2714.94:527:44
2814.94:537:44
2914.94:537:44
3014.94:537:44

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.94 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 5.94 kWh/m² in June across the year — June's 5.94 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
136.0Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in June

Is June a good time to visit Johnstown?

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

6.1
Sightseeing
4th-best month of the year
5.0
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Johnstown for sightseeing.

What to pack for Johnstown in June

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

In June, Johnstown sees daytime highs around 74°F and nights near 58°F. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

rain gearlight clothessun protection

UV index in Johnstown 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 Johnstown peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Johnstown 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 Johnstown is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Nov 147 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar11Good
Apr12Good
May14Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Johnstown?

Johnstown sits at 40.3°N, 78.9°W, 1,168 ft above sea level, in United States. The nearest listed city is Altoona, 30 mi away.

Topography around Johnstown

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

Within 2 miles, the terrain around Johnstown has significant variations in elevation — a maximum elevation change of 837 ft around an average of 1,493 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,831 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,641 ft.

The land around Johnstown is covered by trees (66%) and artificial surfaces (20%) within 2 miles, trees (79%) within 10 miles, and trees (77%) within 50 miles.

2 miles
837 ft
10 miles
1,831 ft
50 miles
2,641 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Altoona 30 mi · Murrysville 42 mi · Plum 45 mi · Monroeville 46 mi · Cumberland 47 mi · McKeesport 50 mi · Penn Hills 50 mi · West Mifflin 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 Johnstown (40.3267°, -78.922°, elevation 1,168 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).