Portsmouth weather in June

In June, Portsmouth sees average daytime highs of 82°F and overnight lows near 64°F, with 4.3 in of rain across 13.1 wet days and about 14.7 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 79°F in the first days to 84°F by the end. The sky is clear or mostly clear about 26% of the time in June, and the air most often feels muggy.

Daylight stretches from about 14 h 30 min at the start of June to 14 h 42 min by month's end. Set against the rest of the year, June is Portsmouth's 5th-clearest and 9th-windiest month. For the whole year in context, see Portsmouth's year-round climate.

Daytime high
82°
3rd warmest
Overnight low
64°
10th coldest
Rainfall
4.3 in
13.1 wet days
Daylight
14 h 42 min
5:11 AM – 7:53 PM
Cloud cover
60%
5th clearest
Wind
5 mph
9th windiest
Solar energy
6.11 kWh/m²
Travel score
5.6
out of 10

Portsmouth is city in Scioto County, Ohio, United States.

Density
712/km²
people per km²
Founded
1803

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 79°F in the first days to 84°F by the end.

A typical June day in Portsmouth reaches about 82°F in the afternoon and slips back to 64°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 90°F. Set against its neighbours, June runs about 8°F warmer than May and about 3°F cooler than July.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
17861
27961
37961
47962
57962
68062
78062
88063
98063
108163
118164
128164
138264
148264
158265
168265
178365
188365
198365
208366
218366
228366
238366
248466
258466
268467
278467
288467
298467
308467

How June really feels in Portsmouth

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.

Portsmouth weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan41° / 27°3.410.23.69.60.1
Feb45° / 29°3.410.13.710.50.8
Mar54° / 36°4.2121.711.73.1
Apr66° / 47°4.412.40.3135.6
May74° / 56°4.612.9014.16.2
Jun82° / 64°4.313.1014.75.6
Jul85° / 68°3.912.5014.44.9
Aug85° / 66°3.011.2013.55.3
Sep79° / 59°3.38.1012.37.0
Oct67° / 48°3.190.1116.3
Nov54° / 38°3.28.70.69.93.5
Dec45° / 31°3.6102.39.30.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 23% of June, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24753
34753
44753
54852
64852
74852
84852
94852
104852
114852
124753
134753
144852
154852
164852
174852
184951
194951
204951
214951
224852
234852
244951
254951
264951
274951
285050
295050
305149

Chance of precipitation in June

Any precipitation

Portsmouth gets around 4.3 in of rain over 13.1 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 43% and peaks near 46% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
141
241
341
442
542
643
743
844
944
1045
1145
1245
1345
1445
1546
1646
1746
1845
1945
2044
2144
2243
2342
2442
2541
2641
2741
2840
2940
3040

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1291924252
2281924262
3281923273
4271923283
5261923283
6251923294
7241823304
8241823305
9231723316
10221723326
11211623347
12191523358
13181523368
14171423379
151614233810
161514233810
171413233911
181313233911
191313234012
201213234012
211213234012
221112234013
231112234113
241013234113
251013234114
261013224115
27913224115
28913224016
29813214017
30814214017

Wind in June

Winds average 5 mph in June.

Across June, 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.

0246810151015202530
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

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 30 min at the start of June to 14 h 42 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 5:14 AM to 5:15 AM, and sunset from 7:45 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:147:45
214.55:147:45
314.55:147:46
414.65:137:47
514.65:137:47
614.65:137:48
714.65:127:49
814.65:127:49
914.65:127:50
1014.65:127:50
1114.75:127:51
1214.75:127:51
1314.75:117:52
1414.75:117:52
1514.75:117:53
1614.75:117:53
1714.75:117:53
1814.75:127:54
1914.75:127:54
2014.75:127:54
2114.75:127:55
2214.75:127:55
2314.75:127:55
2414.75:137:55
2514.75:137:55
2614.75:137:56
2714.75:137:56
2814.75:147:56
2914.75:147:56
3014.75:157:56

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.11 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 6.11 kWh/m² in June across the year — June's 6.11 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in June

Hazard calendar for Portsmouth

In seasonPeak

In June, Portsmouth sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Portsmouth sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Portsmouth?

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

5.6
Sightseeing
4th-best month of the year
6.2
Beach & pool
4th-best month of the year

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

What to pack for Portsmouth in June

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

In June, Portsmouth sees daytime highs around 82°F and nights near 64°F. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Portsmouth 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 Portsmouth peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 18UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Portsmouth 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 Portsmouth is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1218 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May14Moderate
Jun17Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Portsmouth?

Portsmouth sits at 38.7°N, 83.0°W, 531 ft above sea level, in United States. The nearest listed city is Ashland, 26 mi away.

Topography around Portsmouth

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

Within 2 miles, the terrain around Portsmouth has only modest variations in elevation — a maximum elevation change of 640 ft around an average of 620 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 817 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 925 ft.

The land around Portsmouth is covered by trees (42%) within 2 miles, trees (77%) within 10 miles, and trees (77%) within 50 miles.

2 miles
640 ft
10 miles
817 ft
50 miles
925 ft
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Ashland 26 mi · Meads 27 mi · Huntington 37 mi · Chillicothe 42 mi · Athens 63 mi · Lancaster 71 mi · Charleston 78 mi · Grove City 80 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 Portsmouth (38.7317°, -82.9977°, elevation 531 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).