Yorkville weather in July

In July, Yorkville sees average daytime highs of 82°F and overnight lows near 65°F, with 3.7 in of rain across 10.9 wet days and about 14.7 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 82°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 15 hours at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is Yorkville's 3rd-clearest and 11th-windiest month. For the whole year in context, see Yorkville's year-round climate.

Daytime high
82°
1st warmest
Overnight low
65°
12th coldest
Rainfall
3.7 in
10.9 wet days
Daylight
14 h 42 min
4:37 AM – 7:22 PM
Cloud cover
55%
3rd clearest
Wind
7 mph
11th windiest
Solar energy
6.2 kWh/m²
Travel score
6.1
out of 10

Yorkville is city in and county seat of Kendall County, Illinois, United States.

Density
348/km²
people per km²
Founded
1833

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 82°F through the month.

A typical July day in Yorkville reaches about 82°F in the afternoon and slips back to 65°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 90°F. Set against its neighbours, July runs about 3°F warmer than June and about 2°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18264
28264
38264
48264
58265
68265
78265
88265
98265
108265
118265
128365
138365
148365
158365
168365
178365
188365
198365
208365
218265
228265
238265
248265
258265
268265
278265
288265
298265
308265
318264

How July really feels in Yorkville

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.

Yorkville 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
Jan30° / 17°2.17.95.79.30.0
Feb35° / 20°1.974.610.30.0
Mar47° / 30°2.69.62.811.71.5
Apr59° / 40°4.512.30.913.14.3
May70° / 51°4.712.7014.36.0
Jun79° / 61°4.211.80156.3
Jul82° / 65°3.710.9014.76.1
Aug80° / 63°3.59.9013.76.6
Sep74° / 55°3.18.5012.37.1
Oct62° / 43°3.29.20.110.95.3
Nov47° / 32°2.58.11.39.71.7
Dec36° / 22°2.27.94.390.0

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 20% of July, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35545
45545
55545
65545
75545
85545
95545
105545
115446
125446
135446
145446
155347
165347
175347
185347
195347
205347
215347
225446
235446
245446
255545
265545
275644
285644
295743
305743
315743

Chance of precipitation in July

Any precipitation

Yorkville gets around 3.7 in of rain over 10.9 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 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
536
636
736
836
936
1036
1136
1236
1336
1436
1536
1636
1736
1836
1936
2036
2136
2236
2335
2435
2535
2635
2734
2834
2933
3033
3132

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 45% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
117222228120
216212228120
316212227130
416212227131
516212327131
615212328131
715202328131
814202428131
913202429141
1013192429141
1112192429141
1211192430151
1311192430151
1410182430162
1510182430162
1610182430162
1710182430172
189182330172
199182330172
209182330172
219182330173
229192330173
239192330173
249202329172
259202429162
269212429162
279212429152
289222528142
299222528142
309232527142
3110232527141

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
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 hours at the start of July to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:28 AM to 4:51 AM, and sunset from 7:27 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:287:27
215.04:287:27
315.04:297:26
415.04:297:26
514.94:307:26
614.94:307:26
714.94:317:26
814.94:317:25
914.94:327:25
1014.94:337:25
1114.84:337:24
1214.84:347:24
1314.84:357:23
1414.84:367:23
1514.84:367:22
1614.74:377:22
1714.74:387:21
1814.74:397:20
1914.74:407:20
2014.64:417:19
2114.64:417:18
2214.64:427:17
2314.64:437:17
2414.54:447:16
2514.54:457:15
2614.54:467:14
2714.44:477:13
2814.44:487:12
2914.44:497:11
3014.34:507:10
3114.34:517:09

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 1.68 kWh/m² to a high of 6.28 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
56.4Intense
66.4Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Bright
296.0Bright
306.0Bright
315.9Bright
Planning a trip in July

Is July a good time to visit Yorkville?

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

6.1
Sightseeing
4th-best month of the year
6.7
Beach & pool
2nd-best month of the year

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

What to pack for Yorkville in July

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

In July, Yorkville sees daytime highs around 82°F and nights near 65°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Yorkville in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yorkville peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 20UV 9Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Yorkville 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 Yorkville is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1817 µg/m³Oct 229 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar16Moderate
Apr14Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug16Moderate
Sep13Moderate
Oct9Good
Nov10Good
Dec11Good
Location & terrain

Where is Yorkville?

Yorkville sits at 41.6°N, 88.4°W, 607 ft above sea level, in United States. The nearest listed city is Oswego, 5.6 mi away.

Topography around Yorkville

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

Within 2 miles, the terrain around Yorkville has only modest variations in elevation — a maximum elevation change of 276 ft around an average of 653 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 318 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 751 ft.

The land around Yorkville is covered by trees (37%), cropland (24%) and grassland (21%) within 2 miles, cropland (64%) within 10 miles, and cropland (58%) within 50 miles.

2 miles
276 ft
10 miles
318 ft
50 miles
751 ft
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Oswego 5.6 mi · Montgomery 8.1 mi · Aurora 11 mi · Plainfield 12 mi · North Aurora 13 mi · Shorewood 15 mi · Batavia 16 mi · Naperville 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 Yorkville (41.6411°, -88.4473°, elevation 607 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).