Pekin weather in April

In April, Pekin sees average daytime highs of 63°F and overnight lows near 43°F, with 4.5 in of precipitation across 11.4 wet days and about 13 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 58°F in the first days to 66°F by the end. The sky is clear or mostly clear about 26% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 42 min by month's end. Set against the rest of the year, April is Pekin's 8th-clearest and 1st-windiest month. For the whole year in context, see Pekin's year-round climate.

Daytime high
63°
7th warmest
Overnight low
43°
6th coldest
Precipitation
4.5 in
11.4 wet days
Daylight
13 h 06 min
5:26 AM – 6:31 PM
Cloud cover
64%
8th clearest
Wind
9 mph
1st windiest
Solar energy
5.03 kWh/m²
Travel score
5.1
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 58°F in the first days to 66°F by the end.

A typical April day in Pekin reaches about 63°F in the afternoon and slips back to 43°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 49°F and 77°F. Set against its neighbours, April runs about 12°F warmer than March and about 10°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15738
25839
35839
45939
55940
65940
76040
86041
96141
106142
116142
126242
136243
146243
156343
166344
176444
186444
196445
206445
216445
226546
236546
246546
256547
266647
276647
286648
296748
306749

How April really feels in Pekin

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23961
33961
44060
54060
64060
74060
84060
94159
104159
114060
124060
134060
143961
153961
163961
173862
183961
193961
203961
213862
223763
233763
243763
253763
263763
273862
283862
293862
303862

Chance of precipitation in April

Any precipitationSnow

Pekin gets around 4.5 in of rain and snow over 11.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 42% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1363
2363
3362
4362
5362
6362
7362
8363
9373
10372
11372
12382
13382
14382
15382
16392
17391
18391
19391
20401
21401
22401
23410
24410
25410
26410
27420
28420
29420
30420

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
194510
294510
394510
494510
593520
693520
793520
893520
993520
1093520
1192530
1292530
1392530
1492530
1592530
1692530
1792530
1893520
1992620
2092620
2192620
2291720
2391720
2490820
2589920
2689920
27881020
28851131
29841231
30831331

Wind in April

Winds average 9 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 5:51 AM to 5:06 AM, and sunset from 6:15 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:516:15
212.45:496:16
312.55:486:17
412.55:466:18
512.65:446:19
612.65:436:21
712.75:416:22
812.75:396:23
912.85:386:24
1012.85:366:25
1112.95:346:26
1212.95:336:27
1312.95:316:28
1413.05:306:29
1513.05:286:30
1613.15:266:31
1713.15:256:32
1813.25:236:33
1913.25:226:34
2013.35:206:35
2113.35:196:36
2213.35:176:37
2313.45:166:38
2413.45:146:40
2513.55:136:41
2613.55:116:42
2713.55:106:43
2813.65:096:44
2913.65:076:45
3013.75:066:46

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.03 kWh/m².

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 — April's 5.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.9Bright
104.9Bright
114.9Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Is April a good time to visit Pekin?

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

5.1
Sightseeing
7th-best month of the year
1.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit Pekin for sightseeing.

What to pack for Pekin in April

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

In April, Pekin sees daytime highs around 63°F and nights near 43°F. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in Pekin in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).