Champaign weather in April

In April, Champaign sees average daytime highs of 64°F and overnight lows near 44°F, with 4.5 in of precipitation across 11.8 wet days and about 13 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 59°F in the first days to 67°F by the end. The sky is clear or mostly clear about 25% 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 36 min by month's end. Set against the rest of the year, April is Champaign's 7th-clearest and 1st-windiest month. For the whole year in context, see Champaign's year-round climate.

Daytime high
64°
7th warmest
Overnight low
44°
6th coldest
Precipitation
4.5 in
11.8 wet days
Daylight
13 h 06 min
5:21 AM – 6:25 PM
Cloud cover
64%
7th clearest
Wind
10 mph
1st windiest
Solar energy
5.08 kWh/m²
Travel score
5.2
out of 10

Champaign is city in Champaign County, Illinois, United States.

Density
1,462/km²
people per km²
Founded
1855

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 59°F in the first days to 67°F by the end.

A typical April day in Champaign reaches about 64°F in the afternoon and slips back to 44°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 50°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)
15838
25939
35939
46040
56040
66040
76141
86141
96241
106242
116242
126343
136343
146343
156444
166444
176444
186545
196545
206545
216546
226546
236646
246646
256647
266747
276747
286748
296748
306849

How April really feels in Champaign

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 1 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
1
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Champaign weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan35° / 21°2.78.64.49.50.0
Feb40° / 24°2.37.43.810.40.2
Mar51° / 33°3.310.31.611.72.5
Apr64° / 44°4.511.80.3135.2
May73° / 54°4.713.2014.26.2
Jun81° / 64°4.111.4014.86.0
Jul84° / 67°3.610.4014.65.6
Aug83° / 65°2.98.7013.66.2
Sep78° / 57°3.07.3012.37.3
Oct65° / 46°3.38.50.110.96.1
Nov51° / 35°3.38.70.89.82.7
Dec40° / 26°2.58.93.19.20.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23961
33961
43961
54060
64159
74159
84060
94159
104159
114060
124060
134060
144060
154060
163961
173961
183961
194060
203961
213961
223961
233961
243961
254060
264060
274060
283961
293961
303961

Chance of precipitation in April

Any precipitationSnow

Champaign gets around 4.5 in of rain and snow over 11.8 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 40% and peaks near 44% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1372
2372
3372
4372
5372
6372
7372
8371
9371
10371
11371
12381
13381
14381
15381
16391
17391
18401
19400
20410
21410
22420
23420
24430
25430
26440
27440
28440
29440
30440

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 90% 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
1191630
1291630
1391630
1491630
1591630
1691630
1791630
1891630
1990730
2090730
2190730
2290820
2390820
2488930
25871030
26871030
27861130
28861130
29831241
30821341

Wind in April

Winds average 10 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 10 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 5:46 AM to 5:01 AM, and sunset from 6:10 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:466:10
212.45:446:11
312.55:426:12
412.55:416:13
512.65:396:14
612.65:376:15
712.75:366:16
812.75:346:17
912.85:336:18
1012.85:316:19
1112.85:296:20
1212.95:286:21
1312.95:266:22
1413.05:256:23
1513.05:236:24
1613.15:216:25
1713.15:206:26
1813.15:186:27
1913.25:176:28
2013.25:156:29
2113.35:146:30
2213.35:126:31
2313.45:116:32
2413.45:096:33
2513.45:086:34
2613.55:076:35
2713.55:056:36
2813.65:046:37
2913.65:026:38
3013.65:016:39

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.08 kWh/m².

For context, solar energy here swings from a low near 1.77 kWh/m² to a high of 6.41 kWh/m² in June across the year — April's 5.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Is April a good time to visit Champaign?

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

5.2
Sightseeing
7th-best month of the year
1.6
Beach & pool
7th-best month of the year

April is a reasonable time to visit Champaign for sightseeing.

What to pack for Champaign in April

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

In April, Champaign sees daytime highs around 64°F and nights near 44°F. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

UV index in Champaign 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 Champaign peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Champaign 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 Champaign 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 1616 µg/m³Oct 218 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar13Moderate
Apr11Good
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Champaign?

Champaign sits at 40.1°N, 88.2°W, 738 ft above sea level, in United States. The nearest listed city is Urbana, 1.9 mi away.

Topography around Champaign

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

Within 2 miles, the terrain around Champaign has only modest variations in elevation — a maximum elevation change of 115 ft around an average of 751 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 200 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 495 ft.

The land around Champaign is covered by artificial surfaces (47%) and trees (37%) within 2 miles, cropland (79%) within 10 miles, and cropland (86%) within 50 miles.

2 miles
115 ft
10 miles
200 ft
50 miles
495 ft
treesgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Urbana 1.9 mi · Danville 32 mi · Decatur 42 mi · Charleston 43 mi · Mattoon 44 mi · Bloomington 47 mi · Normal 48 mi · Terre Haute 63 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 Champaign (40.1164°, -88.2434°, elevation 738 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).