Dayton weather in June

In June, Dayton sees average daytime highs of 80°F and overnight lows near 63°F, with 4.2 in of rain across 12.6 wet days and about 14.8 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 77°F in the first days to 82°F by the end. The sky is clear or mostly clear about 27% of the time in June, and the air most often feels muggy.

Daylight stretches from about 14 h 36 min at the start of June to 14 h 48 min by month's end. Set against the rest of the year, June is Dayton's 5th-clearest and 9th-windiest month. For the whole year in context, see Dayton's year-round climate.

Daytime high
80°
3rd warmest
Overnight low
63°
10th coldest
Rainfall
4.2 in
12.6 wet days
Daylight
14 h 48 min
5:13 AM – 8:01 PM
Cloud cover
61%
5th clearest
Wind
6 mph
9th windiest
Solar energy
6.22 kWh/m²
Travel score
6.0
out of 10

Dayton is city and county seat of Montgomery County, Ohio, United States.

Density
926/km²
people per km²
Founded
1796

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 77°F in the first days to 82°F by the end.

A typical June day in Dayton reaches about 80°F in the afternoon and slips back to 63°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 72°F and 88°F. Set against its neighbours, June runs about 8°F warmer than May and about 3°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17759
27760
37760
47860
57860
67861
77861
87962
97962
107962
118062
128063
138063
148063
158164
168164
178164
188164
198264
208265
218265
228265
238265
248265
258265
268265
278265
288265
298365
308366

How June really feels in Dayton

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.

Dayton 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
Jan37° / 23°3.29.84.69.50.0
Feb40° / 25°2.79.24.110.40.2
Mar50° / 33°3.911.12.311.72.2
Apr63° / 44°4.612.70.5135.0
May72° / 54°4.613.3014.26.1
Jun80° / 63°4.212.6014.86.0
Jul83° / 66°3.411.6014.55.6
Aug82° / 65°3.210.1013.66.3
Sep76° / 57°2.77.8012.37.2
Oct64° / 46°2.98.40.210.95.9
Nov51° / 36°3.2919.82.6
Dec41° / 28°3.49.73.39.20.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54357
64258
74357
84456
94456
104555
114654
124654
134753
144852
154951
164951
174951
185050
195050
205149
215149
225149
235149
245149
255149
265248
275248
285248
295248
305347

Chance of precipitation in June

Any precipitation

Dayton gets around 4.2 in of rain over 12.6 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 42% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
141
241
341
441
541
641
741
841
942
1042
1142
1242
1343
1443
1544
1644
1744
1844
1944
2044
2143
2243
2343
2443
2543
2642
2742
2842
2941
3041

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1431724160
2421723171
3411723181
4411723191
5391722211
6381722221
7371722231
8351722251
9341822261
10321822271
11301822292
12281822302
13261823312
14241823322
15231823333
16211824343
17201824353
18191825354
19181825354
20171825354
21161825365
22161826365
23151826366
24151826366
25141826367
26141726367
27141725368
28141725358
29141725359
30131725359

Wind in June

Winds average 6 mph in June.

Across June, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
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 36 min at the start of June to 14 h 48 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 5:16 AM to 5:16 AM, and sunset from 7:52 PM to 8:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:167:52
214.65:167:53
314.65:157:54
414.75:157:54
514.75:157:55
614.75:147:56
714.75:147:56
814.75:147:57
914.75:147:58
1014.75:147:58
1114.85:137:59
1214.85:137:59
1314.85:138:00
1414.85:138:00
1514.85:138:01
1614.85:138:01
1714.85:138:01
1814.85:138:02
1914.85:138:02
2014.85:138:02
2114.85:148:03
2214.85:148:03
2314.85:148:03
2414.85:148:03
2514.85:148:03
2614.85:158:03
2714.85:158:04
2814.85:158:04
2914.85:168:04
3014.85:168:04

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.22 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 6.22 kWh/m² in June across the year — June's 6.22 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in June

Is June a good time to visit Dayton?

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

6.0
Sightseeing
4th-best month of the year
6.1
Beach & pool
4th-best month of the year

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

What to pack for Dayton in June

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

In June, Dayton sees daytime highs around 80°F and nights near 63°F. Pack sun protection. Worth having: light clothes and rain gear. About 13 days see rain.

sun protectionlight clothesrain gear

UV index in Dayton in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dayton peaks around June 20 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 20UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Dayton 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 Dayton is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1117 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar12Good
Apr12Moderate
May15Moderate
Jun17Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Dayton?

Dayton sits at 39.8°N, 84.2°W, 738 ft above sea level, in United States. The nearest listed city is Riverside, 3.7 mi away.

Topography around Dayton

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

Within 2 miles, the terrain around Dayton has only modest variations in elevation — a maximum elevation change of 207 ft around an average of 764 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 430 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,089 ft.

The land around Dayton is covered by artificial surfaces (55%) and trees (20%) within 2 miles, trees (42%), grassland (26%) and artificial surfaces (20%) within 10 miles, and cropland (59%) and trees (25%) within 50 miles.

2 miles
207 ft
10 miles
430 ft
50 miles
1,089 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Riverside 3.7 mi · Kettering 5.0 mi · Huber Heights 6.8 mi · Trotwood 6.8 mi · Beavercreek 7.5 mi · Vandalia 9.3 mi · Centerville 9.3 mi · Miamisburg 9.3 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 Dayton (39.7589°, -84.1916°, elevation 738 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).