Troy weather in July

In July, Troy sees average daytime highs of 83°F and overnight lows near 66°F, with 3.2 in of rain across 11.4 wet days and about 14.6 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 83°F through the month. The sky is clear or mostly clear about 34% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 48 min at the start of July to 14 h 12 min by month's end. Set against the rest of the year, July is Troy's 3rd-clearest and 11th-windiest month. For the whole year in context, see Troy's year-round climate.

Daytime high
83°
1st warmest
Overnight low
66°
12th coldest
Rainfall
3.2 in
11.4 wet days
Daylight
14 h 36 min
5:25 AM – 8:00 PM
Cloud cover
55%
3rd clearest
Wind
6 mph
11th windiest
Solar energy
6.23 kWh/m²
Travel score
5.7
out of 10

Troy is city in and seat of Miami County, Ohio, United States.

Density
830/km²
people per km²

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 83°F through the month.

A typical July day in Troy reaches about 83°F in the afternoon and slips back to 66°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 90°F. Set against its neighbours, July runs about 3°F warmer than June and on par with August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18265
28265
38265
48365
58365
68365
78366
88366
98366
108366
118366
128366
138366
148366
158366
168366
178366
188366
198366
208366
218366
228366
238366
248366
258366
268366
278366
288366
298366
308366
318365

How July really feels in Troy

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.

Troy 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
Jan36° / 22°3.19.94.99.50.0
Feb39° / 24°2.594.310.40.1
Mar50° / 32°3.711.12.211.72.1
Apr62° / 43°4.512.50.6134.9
May71° / 53°4.413.1014.26.1
Jun80° / 62°3.911.7014.86.2
Jul83° / 66°3.211.4014.65.7
Aug82° / 64°3.19.4013.66.5
Sep76° / 57°2.77.8012.37.2
Oct64° / 45°2.98.10.210.95.8
Nov51° / 35°3.38.91.19.82.5
Dec40° / 27°3.29.73.39.20.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55446
65545
75545
85644
95644
105644
115743
125743
135644
145644
155644
165644
175545
185545
195446
205446
215446
225446
235446
245446
255446
265446
275446
285446
295446
305545
315545

Chance of precipitation in July

Any precipitation

Troy gets around 3.2 in of rain over 11.4 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 (%)
136
236
336
436
535
635
735
835
935
1035
1135
1236
1336
1437
1537
1638
1738
1838
1938
2038
2138
2238
2338
2438
2537
2637
2736
2835
2935
3034
3134

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 47% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1141924349
2141924349
31419243410
41419243310
51419243310
61319243310
71319243311
81318243411
91218243411
101218253412
111117253413
121117253413
131017243414
141016243515
151016243515
16916243516
17916243516
18916233517
19916233517
20816233518
21816233418
22817233418
23817233418
24818243317
25819243317
26819243216
27820253116
28821253015
29822262915
30922262914
31923262814

Wind in July

Winds average 6 mph in July.

Across July, 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.

0246810151015202531
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
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 48 min at the start of July to 14 h 12 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 5:16 AM to 5:38 AM, and sunset from 8:05 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.85:168:05
214.85:168:04
314.85:178:04
414.85:178:04
514.85:188:04
614.85:188:04
714.75:198:04
814.75:198:03
914.75:208:03
1014.75:218:03
1114.75:218:02
1214.75:228:02
1314.65:238:01
1414.65:238:01
1514.65:248:00
1614.65:258:00
1714.65:267:59
1814.55:267:59
1914.55:277:58
2014.55:287:57
2114.55:297:57
2214.45:307:56
2314.45:317:55
2414.45:317:55
2514.45:327:54
2614.35:337:53
2714.35:347:52
2814.35:357:51
2914.25:367:50
3014.25:377:49
3114.25:387:48

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.23 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 6.24 kWh/m² in June across the year — July's 6.23 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
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 Troy?

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

5.7
Sightseeing
6th-best month of the year
6.8
Beach & pool
2nd-best month of the year

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

What to pack for Troy in July

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

In July, Troy sees daytime highs around 83°F and nights near 66°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Troy 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 Troy peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highHighModerateLowJun 21UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Troy 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 Troy 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 Troy?

Troy sits at 40.0°N, 84.2°W, 827 ft above sea level, in United States. The nearest listed city is Piqua, 7.5 mi away.

Topography around Troy

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

Within 2 miles, the terrain around Troy has only modest variations in elevation — a maximum elevation change of 167 ft around an average of 846 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 433 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 991 ft.

The land around Troy is covered by grassland (29%), trees (27%) and artificial surfaces (22%) within 2 miles, cropland (60%) within 10 miles, and cropland (66%) within 50 miles.

2 miles
167 ft
10 miles
433 ft
50 miles
991 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Piqua 7.5 mi · Vandalia 11 mi · Huber Heights 14 mi · Sidney 17 mi · Trotwood 17 mi · Fairborn 18 mi · Riverside 19 mi · Dayton 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 Troy (40.0395°, -84.2033°, elevation 827 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).