Columbus weather in July

In July, Columbus sees average daytime highs of 85°F and overnight lows near 68°F, with 3.6 in of rain across 11.6 wet days and about 14.5 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 85°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 Columbus's 4th-clearest and 11th-windiest month. For the whole year in context, see Columbus's year-round climate.

Daytime high
85°
1st warmest
Overnight low
68°
12th coldest
Rainfall
3.6 in
11.6 wet days
Daylight
14 h 30 min
5:34 AM – 8:04 PM
Cloud cover
56%
4th clearest
Wind
5 mph
11th windiest
Solar energy
6.24 kWh/m²
Travel score
5.1
out of 10

Columbus is city in Bartholomew County, Indiana, United States.

Density
644/km²
people per km²
Founded
1820

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 85°F through the month.

A typical July day in Columbus reaches about 85°F in the afternoon and slips back to 68°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 92°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)
18467
28467
38467
48567
58567
68567
78568
88568
98568
108568
118568
128568
138568
148568
158568
168568
178568
188568
198568
208568
218568
228568
238568
248568
258568
268568
278568
288567
298567
308567
318567

How July really feels in Columbus

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.

Columbus 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
Jan38° / 24°3.39.33.79.60.0
Feb42° / 26°2.98.53.410.50.4
Mar53° / 35°4.110.81.611.72.8
Apr64° / 46°4.912.30.2135.4
May73° / 56°5.013.3014.16.2
Jun82° / 65°4.411.8014.75.8
Jul85° / 68°3.611.6014.55.1
Aug84° / 66°3.19.1013.55.8
Sep78° / 58°3.08.1012.37.1
Oct66° / 47°3.28.50116.2
Nov52° / 37°3.59.20.79.92.9
Dec42° / 29°3.510.23.19.30.3

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 (%)
15149
25149
35149
45149
55248
65248
75347
85347
95347
105347
115347
125347
135347
145347
155347
165347
175347
185347
195347
205347
215347
225446
235446
245545
255545
265644
275644
285644
295743
305842
315842

Chance of precipitation in July

Any precipitation

Columbus gets around 3.6 in of rain over 11.6 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
439
539
639
739
839
938
1038
1138
1238
1337
1437
1537
1637
1737
1836
1936
2036
2136
2236
2336
2436
2535
2635
2735
2834
2934
3034
3133

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 56% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
110132535170
210132534180
39142534180
49142533190
59142433200
68142433200
78152432210
88152432220
97152332230
107152332240
116142332240
126142232260
136142231261
146142231271
156142130281
166142130291
176132130291
186132129301
196132129301
206132129311
216132128311
227132128311
237132128301
247142128301
257142128291
267152228281
277152228270
287162328260
297162329240
307172329230
317172329230

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
105calm
115calm
125calm
135calm
145calm
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 5:25 AM to 5:47 AM, and sunset from 8:09 PM to 7:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.75:258:09
214.75:268:09
314.75:268:09
414.75:278:09
514.75:278:08
614.75:288:08
714.75:288:08
814.65:298:08
914.65:298:07
1014.65:308:07
1114.65:318:07
1214.65:318:06
1314.65:328:06
1414.55:338:05
1514.55:338:05
1614.55:348:04
1714.55:358:04
1814.55:368:03
1914.45:368:03
2014.45:378:02
2114.45:388:01
2214.45:398:01
2314.35:408:00
2414.35:407:59
2514.35:417:58
2614.35:427:58
2714.25:437:57
2814.25:447:56
2914.25:457:55
3014.15:467:54
3114.15:477:53

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.24 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.72 kWh/m² to a high of 6.24 kWh/m² in June across the year — July's 6.24 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
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.0Intense
316.0Intense
Planning a trip in July

Is July a good time to visit Columbus?

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

5.1
Sightseeing
7th-best month of the year
6.8
Beach & pool
2nd-best month of the year

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

What to pack for Columbus in July

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

In July, Columbus sees daytime highs around 85°F and nights near 68°F. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Columbus 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 Columbus 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Columbus 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 Columbus is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (October, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Oct 237 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar11Good
Apr11Good
May13Moderate
Jun15Moderate
Jul17Moderate
Aug13Moderate
Sep10Good
Oct7Good
Nov7Good
Dec8Good
Location & terrain

Where is Columbus?

Columbus sits at 39.2°N, 85.9°W, 630 ft above sea level, in United States. The nearest listed city is Seymour, 17 mi away.

Topography around Columbus

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

Within 2 miles, the terrain around Columbus has only modest variations in elevation — a maximum elevation change of 112 ft around an average of 623 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 463 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 778 ft.

The land around Columbus is covered by cropland (33%), trees (26%) and artificial surfaces (23%) within 2 miles, cropland (46%) and trees (38%) within 10 miles, and trees (47%) and cropland (39%) within 50 miles.

2 miles
112 ft
10 miles
463 ft
50 miles
778 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Seymour 17 mi · Franklin 21 mi · Shelbyville 24 mi · Greenwood 30 mi · Bloomington 32 mi · Greenfield 41 mi · Indianapolis 41 mi · Plainfield 43 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 Columbus (39.2014°, -85.9214°, elevation 630 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).