Danville weather in July

In July, Danville sees average daytime highs of 84°F and overnight lows near 67°F, with 3.7 in of rain across 10.8 wet days and about 14.6 hours of daylight. It is the 1st-warmest and 4th-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 37% 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 Danville's 3rd-clearest and 11th-windiest month. For the whole year in context, see Danville's year-round climate.

Daytime high
84°
1st warmest
Overnight low
67°
12th coldest
Rainfall
3.7 in
10.8 wet days
Daylight
14 h 36 min
4:38 AM – 7:14 PM
Cloud cover
53%
3rd clearest
Wind
6 mph
11th windiest
Solar energy
6.37 kWh/m²
Travel score
5.6
out of 10

Danville is city in and the county seat of Vermilion County, Illinois, United States.

Density
684/km²
people per km²
Founded
1827

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 Danville 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.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18366
28366
38366
48466
58466
68467
78467
88467
98467
108467
118467
128467
138467
148467
158467
168467
178467
188467
198467
208467
218467
228467
238467
248467
258467
268467
278466
288466
298366
308366
318366

How July really feels in Danville

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.

Danville weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan36° / 21°2.98.94.39.50.0
Feb40° / 24°2.47.53.510.40.2
Mar51° / 33°3.510.61.811.72.5
Apr64° / 44°4.611.90.3135.2
May73° / 54°4.713.2014.26.2
Jun81° / 64°4.412.1014.85.9
Jul84° / 67°3.710.8014.65.6
Aug83° / 65°3.28.8013.66.2
Sep78° / 57°2.97.5012.37.3
Oct65° / 46°3.38.40.110.96.1
Nov51° / 35°3.38.40.79.82.7
Dec40° / 26°2.69.13.49.20.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25743
35743
45743
55743
65743
75743
85842
95842
105743
115743
125842
135743
145644
155644
165545
175545
185545
195545
205545
215545
225545
235644
245644
255644
265743
275743
285842
295842
305941
315941

Chance of precipitation in July

Any precipitation

Danville gets around 3.7 in of rain over 10.8 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 34% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
637
736
836
936
1036
1135
1235
1335
1435
1535
1635
1735
1834
1934
2034
2134
2234
2334
2434
2533
2633
2732
2831
2931
3030
3130

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 56% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
19172233190
29172233190
39172232200
49172232200
58172231210
68162331220
78162331220
87162331231
97152331231
107152331241
116152331251
126142231261
136142230271
145142230271
155142130282
165142129292
175142129292
185142128302
195142128302
205142128302
215142127302
225142127302
235152127302
245152127292
255152227282
266162227272
276162227262
286172328252
296172328242
306172328232
317182428231

Wind in July

Winds average 6 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
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 4:29 AM to 4:51 AM, and sunset from 7:19 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:297:19
214.84:307:18
314.84:307:18
414.84:317:18
514.84:317:18
614.84:327:18
714.84:327:18
814.74:337:17
914.74:347:17
1014.74:347:17
1114.74:357:16
1214.74:357:16
1314.74:367:15
1414.64:377:15
1514.64:387:14
1614.64:387:14
1714.64:397:13
1814.54:407:13
1914.54:417:12
2014.54:427:11
2114.54:427:11
2214.44:437:10
2314.44:447:09
2414.44:457:08
2514.44:467:08
2614.34:477:07
2714.34:487:06
2814.34:487:05
2914.24:497:04
3014.24:507:03
3114.24:517:02

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.37 kWh/m².

For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 6.38 kWh/m² in June across the year — July's 6.37 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
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.1Intense
Planning a trip in July

Is July a good time to visit Danville?

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

5.6
Sightseeing
6th-best month of the year
7.0
Beach & pool
2nd-best month of the year

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

What to pack for Danville in July

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

In July, Danville 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 Danville 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 Danville peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highHighModerateJul 11UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Danville 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 Danville is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1516 µg/m³Oct 218 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar12Moderate
Apr12Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Danville?

Danville sits at 40.1°N, 87.6°W, 600 ft above sea level, in United States. The nearest listed city is Urbana, 30 mi away.

Topography around Danville

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

Within 2 miles, the terrain around Danville has only modest variations in elevation — a maximum elevation change of 197 ft around an average of 617 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 292 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 545 ft.

The land around Danville is covered by trees (54%), artificial surfaces (22%) and grassland (20%) within 2 miles, cropland (59%) and trees (27%) within 10 miles, and cropland (78%) within 50 miles.

2 miles
197 ft
10 miles
292 ft
50 miles
545 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Urbana 30 mi · Champaign 32 mi · Crawfordsville 40 mi · West Lafayette 43 mi · Lafayette 45 mi · Terre Haute 47 mi · Charleston 52 mi · Mattoon 59 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 Danville (40.1245°, -87.63°, elevation 600 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).