Hamilton weather in July

In July, Hamilton sees average daytime highs of 84°F and overnight lows near 67°F, with 3.6 in of rain across 11.2 wet days and about 14.5 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 84°F through the month. The sky is clear or mostly clear about 33% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 42 min at the start of July to 14 h 06 min by month's end. Set against the rest of the year, July is Hamilton's 4th-clearest and 11th-windiest month. For the whole year in context, see Hamilton's year-round climate.

Daytime high
84°
1st warmest
Overnight low
67°
12th coldest
Rainfall
3.6 in
11.2 wet days
Daylight
14 h 30 min
5:28 AM – 8:00 PM
Cloud cover
55%
4th clearest
Wind
5 mph
11th windiest
Solar energy
6.2 kWh/m²
Travel score
5.4
out of 10

Hamilton is city in Butler County, Ohio, United States.

Density
1,092/km²
people per km²
Founded
1794

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 84°F through the month.

A typical July day in Hamilton reaches about 84°F in the afternoon and slips back to 67°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 91°F. Set against its neighbours, July runs about 3°F warmer than June and on par with August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18367
28467
38467
48467
58467
68467
78467
88467
98467
108467
118468
128468
138468
148468
158468
168468
178468
188468
198468
208468
218468
228468
238468
248468
258468
268467
278467
288467
298467
308467
318467

How July really feels in Hamilton

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.

Hamilton weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan38° / 24°3.310.34.39.50.0
Feb41° / 26°2.99.23.710.50.3
Mar51° / 34°4.111.3211.72.5
Apr64° / 45°4.712.50.5135.2
May73° / 55°4.612.8014.16.2
Jun81° / 64°4.212.3014.75.9
Jul84° / 67°3.611.2014.55.4
Aug83° / 66°3.29.9013.56.0
Sep77° / 58°2.78012.37.2
Oct65° / 46°3.08.40.1116.0
Nov52° / 37°3.39.10.89.82.8
Dec42° / 29°3.610.139.30.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45446
55446
65446
75545
85545
95545
105545
115644
125644
135644
145545
155644
165545
175446
185545
195446
205446
215347
225446
235347
245347
255446
265446
275446
285545
295545
305545
315545

Chance of precipitation in July

Any precipitation

Hamilton gets around 3.6 in of rain over 11.2 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 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
337
437
536
636
736
835
935
1035
1135
1235
1336
1436
1536
1636
1737
1837
1937
2037
2137
2237
2337
2437
2536
2636
2736
2836
2935
3035
3135

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 51% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11217243611
21216243611
31216243612
41216253512
51116253513
61116253513
71116253414
81016263414
91016263415
10915263416
11915263417
12815263317
13815263318
14715263319
15714253320
16714253321
17714253221
18714253222
19614243223
20614243223
21615243223
22615243223
23615243123
24616253122
25617253121
26617253120
27618263020
28619263019
29619273018
30620272917
31720272917

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
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
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 42 min at the start of July to 14 h 06 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 5:19 AM to 5:41 AM, and sunset from 8:04 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.75:198:04
214.75:208:04
314.75:208:04
414.75:218:04
514.75:218:04
614.75:228:03
714.75:228:03
814.75:238:03
914.75:238:03
1014.65:248:02
1114.65:258:02
1214.65:258:01
1314.65:268:01
1414.65:278:01
1514.55:278:00
1614.55:288:00
1714.55:297:59
1814.55:307:58
1914.55:307:58
2014.45:317:57
2114.45:327:56
2214.45:337:56
2314.45:347:55
2414.35:357:54
2514.35:357:53
2614.35:367:53
2714.25:377:52
2814.25:387:51
2914.25:397:50
3014.25:407:49
3114.15:417:48

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.2 kWh/m².

For context, solar energy here swings from a low near 1.67 kWh/m² to a high of 6.21 kWh/m² in June across the year — July's 6.2 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Bright
306.0Bright
316.0Bright
Planning a trip in July

Is July a good time to visit Hamilton?

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

5.4
Sightseeing
6th-best month of the year
6.9
Beach & pool
2nd-best month of the year

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

What to pack for Hamilton in July

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

In July, Hamilton sees daytime highs around 84°F and nights near 67°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Hamilton 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 Hamilton peaks around June 21 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 21UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Hamilton 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 Hamilton 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 1217 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar12Good
Apr12Good
May14Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Hamilton?

Hamilton sits at 39.4°N, 84.6°W, 594 ft above sea level, in United States. The nearest listed city is Fairfield, 3.7 mi away.

Topography around Hamilton

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

Within 2 miles, the terrain around Hamilton has only modest variations in elevation — a maximum elevation change of 308 ft around an average of 643 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 558 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 876 ft.

The land around Hamilton is covered by trees (34%), artificial surfaces (34%) and grassland (22%) within 2 miles, trees (39%) and grassland (31%) within 10 miles, and trees (41%) and cropland (39%) within 50 miles.

2 miles
308 ft
10 miles
558 ft
50 miles
876 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Fairfield 3.7 mi · Forest Park 8.1 mi · Middletown 12 mi · Oxford 12 mi · White Oak 13 mi · Mason 14 mi · Norwood 17 mi · Cincinnati 19 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 Hamilton (39.3995°, -84.5613°, elevation 594 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).