Pekin weather in July

In July, Pekin sees average daytime highs of 84°F and overnight lows near 67°F, with 3.7 in of rain across 10.2 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 39% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 54 min at the start of July to 14 h 12 min by month's end. Set against the rest of the year, July is Pekin's 3rd-clearest and 11th-windiest month. For the whole year in context, see Pekin's year-round climate.

Daytime high
84°
1st warmest
Overnight low
67°
12th coldest
Rainfall
3.7 in
10.2 wet days
Daylight
14 h 36 min
4:45 AM – 7:23 PM
Cloud cover
51%
3rd clearest
Wind
6 mph
11th windiest
Solar energy
6.4 kWh/m²
Travel score
5.5
out of 10

Pekin is city and county seat of Tazewell County, Illinois, United States.

Density
832/km²
people per km²
Founded
1829

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 Pekin 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 92°F. Set against its neighbours, July runs about 3°F warmer than June and about 1°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18467
28467
38467
48467
58467
68467
78467
88467
98567
108567
118567
128568
138568
148568
158568
168568
178568
188568
198568
208568
218568
228568
238567
248467
258467
268467
278467
288467
298467
308467
318467

How July really feels in Pekin

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.

Pekin 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
Jan34° / 20°2.18.34.89.40.0
Feb39° / 23°2.17.13.910.40.1
Mar51° / 33°3.010.11.711.72.4
Apr63° / 43°4.511.40.5135.1
May73° / 54°4.613014.26.2
Jun82° / 64°4.611.7014.86.0
Jul84° / 67°3.710.2014.65.5
Aug83° / 65°3.18.9013.66.2
Sep77° / 57°3.17.5012.37.3
Oct64° / 45°3.18.60.110.96.0
Nov50° / 34°2.98.119.72.4
Dec39° / 25°2.37.53.19.20.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55842
65941
75941
85941
95941
105941
116040
125941
135941
145842
155941
165941
175842
185842
195842
205842
215842
225941
235941
245941
255941
265941
276040
286040
296040
306040
316040

Chance of precipitation in July

Any precipitation

Pekin gets around 3.7 in of rain over 10.2 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
334
434
533
633
733
833
932
1032
1133
1233
1333
1433
1533
1633
1733
1833
1933
2033
2134
2234
2334
2434
2533
2633
2733
2832
2932
3031
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 (%)
19201933191
29201932201
38201932201
48201932211
58201931221
67201931221
77191931221
87181931231
96182031232
106172031242
115162031252
125152032262
135152131263
144142130273
154142230273
164142229274
174142328284
184132328284
194132327284
204132427284
214132426284
224132426284
234142525284
244142525284
254142525274
264152625273
274162625263
284162625253
294172626243
305172626242
315172626232

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
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 54 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 42 minutes over July. Sunrise moves from 4:36 AM to 4:58 AM, and sunset from 7:28 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:367:28
214.94:367:28
314.84:377:28
414.84:377:28
514.84:387:27
614.84:387:27
714.84:397:27
814.84:407:27
914.84:407:26
1014.84:417:26
1114.74:427:26
1214.74:427:25
1314.74:437:25
1414.74:447:24
1514.74:447:24
1614.64:457:23
1714.64:467:23
1814.64:477:22
1914.64:487:21
2014.54:487:21
2114.54:497:20
2214.54:507:19
2314.54:517:18
2414.44:527:18
2514.44:537:17
2614.44:547:16
2714.34:547:15
2814.34:557:14
2914.34:567:13
3014.24:577:12
3114.24:587:11

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.4 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.77 kWh/m² to a high of 6.4 kWh/m² in June across the year — July's 6.4 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
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in July

Is July a good time to visit Pekin?

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

5.5
Sightseeing
6th-best month of the year
7.1
Beach & pool
2nd-best month of the year

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

What to pack for Pekin in July

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

In July, Pekin sees daytime highs around 84°F and nights near 67°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Pekin 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 Pekin peaks around June 20 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 highHighModerateJun 20UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Pekin 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 Pekin 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 1916 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar13Moderate
Apr11Good
May14Moderate
Jun13Moderate
Jul16Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Pekin?

Pekin sits at 40.6°N, 89.6°W, 502 ft above sea level, in United States. The nearest listed city is East Peoria, 7.5 mi away.

Topography around Pekin

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

Within 2 miles, the terrain around Pekin has only modest variations in elevation — a maximum elevation change of 243 ft around an average of 509 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 384 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 535 ft.

The land around Pekin is covered by trees (32%) and artificial surfaces (26%) within 2 miles, cropland (49%) and trees (30%) within 10 miles, and cropland (74%) within 50 miles.

2 miles
243 ft
10 miles
384 ft
50 miles
535 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: East Peoria 7.5 mi · Peoria 9.3 mi · Morton 9.9 mi · North Peoria 11 mi · Washington 16 mi · Normal 34 mi · Bloomington 34 mi · Galesburg 47 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 Pekin (40.5675°, -89.6407°, elevation 502 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).