Frankfort weather in July

In July, Frankfort sees average daytime highs of 83°F and overnight lows near 66°F, with 3.4 in of rain across 11.2 wet days and about 14.6 hours of daylight. It is the 1st-warmest and 5th-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 35% 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 Frankfort's 3rd-clearest and 11th-windiest month. For the whole year in context, see Frankfort's year-round climate.

Daytime high
83°
1st warmest
Overnight low
66°
12th coldest
Rainfall
3.4 in
11.2 wet days
Daylight
14 h 36 min
5:33 AM – 8:10 PM
Cloud cover
55%
3rd clearest
Wind
7 mph
11th windiest
Solar energy
6.33 kWh/m²
Travel score
5.7
out of 10

Frankfort is county seat in Clinton County, Indiana, United States.

Density
982/km²
people per km²
Founded
1830

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 Frankfort 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)
18266
28266
38366
48366
58366
68366
78366
88366
98366
108366
118366
128366
138367
148367
158367
168367
178367
188367
198367
208367
218367
228367
238367
248366
258366
268366
278366
288366
298366
308366
318366

How July really feels in Frankfort

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.

Frankfort weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan35° / 21°3.09.54.99.50.0
Feb39° / 24°2.48.74.410.40.1
Mar50° / 32°3.510.82.411.72.1
Apr62° / 43°4.412.10.4135.0
May72° / 54°4.513.6014.26.1
Jun80° / 63°4.312.3014.86.1
Jul83° / 66°3.411.2014.65.7
Aug82° / 64°3.09.6013.66.5
Sep77° / 57°2.78.1012.37.2
Oct64° / 46°3.29.10.110.95.8
Nov50° / 35°3.49.11.29.82.4
Dec39° / 26°2.79.73.79.20.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45743
55743
65743
75743
85842
95842
105941
115941
125842
135743
145743
155743
165644
175644
185446
195446
205446
215446
225347
235347
245347
255446
265446
275446
285446
295446
305545
315545

Chance of precipitation in July

Any precipitation

Frankfort gets around 3.4 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 (%)
136
236
336
436
536
636
736
836
936
1036
1136
1237
1337
1437
1537
1637
1738
1838
1938
2038
2138
2238
2338
2437
2537
2636
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 29% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
112202234130
212202234130
311202133140
411202133140
511202133150
611202133150
710202233160
810202233160
99192233160
109192233170
119192233180
128182233180
138182232191
147182232201
157182231211
167182230221
177182230231
187182229231
196182328241
206182328251
216182327251
226182327251
236182326251
246192426251
256202425241
266202425241
276212525231
286212524221
296222524211
307222624201
317232624191

Wind in July

Winds average 7 mph in July.

Across July, 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.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
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 5:24 AM to 5:46 AM, and sunset from 8:15 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.85:248:15
214.85:258:14
314.85:258:14
414.85:268:14
514.85:268:14
614.85:278:14
714.85:278:14
814.85:288:13
914.75:298:13
1014.75:298:13
1114.75:308:12
1214.75:318:12
1314.75:318:11
1414.65:328:11
1514.65:338:10
1614.65:338:10
1714.65:348:09
1814.65:358:09
1914.55:368:08
2014.55:378:07
2114.55:378:07
2214.55:388:06
2314.45:398:05
2414.45:408:04
2514.45:418:04
2614.35:428:03
2714.35:438:02
2814.35:448:01
2914.35:448:00
3014.25:457:59
3114.25:467:58

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.33 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 6.33 kWh/m² in July across the year — July's 6.33 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.0Intense
Planning a trip in July

Is July a good time to visit Frankfort?

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 Frankfort for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Frankfort in July

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

In July, Frankfort 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 Frankfort 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 Frankfort peaks around June 23 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 highHighModerateLowJun 23UV 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 Frankfort 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 Frankfort is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1416 µg/m³Oct 218 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar12Moderate
Apr12Good
May13Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov8Good
Dec9Good
Location & terrain

Where is Frankfort?

Frankfort sits at 40.3°N, 86.5°W, 850 ft above sea level, in United States. The nearest listed city is Lebanon, 16 mi away.

Topography around Frankfort

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

Within 2 miles, the terrain around Frankfort has only modest variations in elevation — a maximum elevation change of 98 ft around an average of 856 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 282 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 627 ft.

The land around Frankfort is covered by cropland (44%) within 2 miles, cropland (81%) within 10 miles, and cropland (70%) within 50 miles.

2 miles
98 ft
10 miles
282 ft
50 miles
627 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Lebanon 16 mi · Lafayette 21 mi · West Lafayette 23 mi · Kokomo 24 mi · Crawfordsville 25 mi · Westfield 26 mi · Zionsville 26 mi · Carmel 29 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 Frankfort (40.2795°, -86.5108°, elevation 850 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).