Normal weather in April

In April, Normal sees average daytime highs of 62°F and overnight lows near 43°F, with 4.4 in of precipitation across 12 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 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 Normal's 8th-clearest and 1st-windiest month. For the whole year in context, see Normal's year-round climate.

Daytime high
62°
7th warmest
Overnight low
43°
6th coldest
Precipitation
4.4 in
12 wet days
Daylight
13 h 06 min
5:24 AM – 6:28 PM
Cloud cover
64%
8th clearest
Wind
10 mph
1st windiest
Solar energy
5.04 kWh/m²
Travel score
4.9
out of 10

Normal is town in McLean County, Illinois, United States.

Density
1,140/km²
people per km²
Founded
1865

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 Normal reaches about 62°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 76°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
25738
35838
45839
55839
65939
75940
86040
96040
106041
116141
126142
136242
146242
156243
166343
176343
186344
196444
206444
216445
226445
236445
246546
256546
266546
276547
286647
296647
306748

How April really feels in Normal

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 4 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
4
wind chill below the day's low

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

Normal 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
Jan33° / 19°2.38.34.99.40.0
Feb38° / 22°2.17.44.110.40.0
Mar50° / 32°3.110.31.811.72.2
Apr62° / 43°4.4120.5134.9
May72° / 53°4.713.5014.26.1
Jun81° / 63°4.312.2014.86.1
Jul83° / 66°3.810.8014.65.7
Aug82° / 64°3.29.4013.66.5
Sep76° / 56°3.07.8012.37.2
Oct64° / 45°3.38.90.110.95.8
Nov50° / 34°3.08.41.19.72.3
Dec38° / 24°2.38.33.69.20.0

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 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23763
33961
43862
53961
63961
74060
84060
93961
103961
113961
124060
133961
143961
153961
163961
173862
183961
193862
203862
213862
223763
233862
243862
253763
263664
273664
283862
293862
303862

Chance of precipitation in April

Any precipitationSnow

Normal gets around 4.4 in of rain and snow over 12 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 43% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1383
2383
3383
4383
5383
6383
7383
8383
9393
10393
11393
12403
13402
14402
15402
16402
17412
18411
19411
20421
21421
22421
23430
24430
25430
26430
27430
28430
29430
30430

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
195410
295410
395410
494420
594420
694420
794420
893520
993520
1093520
1193520
1293520
1392530
1492530
1593520
1693520
1793520
1893520
1993520
2093520
2193520
2292620
2392620
2492620
2591720
2690820
2790820
2888930
29861031
30861031

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 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 5:49 AM to 5:03 AM, and sunset from 6:13 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:496:13
212.45:476:14
312.55:456:15
412.55:446:16
512.65:426:17
612.65:406:18
712.75:396:19
812.75:376:20
912.85:356:21
1012.85:346:22
1112.95:326:23
1212.95:306:24
1312.95:296:25
1413.05:276:26
1513.05:266:27
1613.15:246:28
1713.15:226:29
1813.25:216:31
1913.25:196:32
2013.25:186:33
2113.35:166:34
2213.35:156:35
2313.45:136:36
2413.45:126:37
2513.55:106:38
2613.55:096:39
2713.55:086:40
2813.65:066:41
2913.65:056:42
3013.75:036:43

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.04 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 July across the year — April's 5.04 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
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 Normal?

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

4.9
Sightseeing
7th-best month of the year
1.2
Beach & pool
7th-best month of the year

April is a reasonable time to visit Normal for sightseeing.

What to pack for Normal in April

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

In April, Normal sees daytime highs around 62°F and nights near 43°F. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

UV index in Normal 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 Normal peaks around June 22 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 22UV 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 Normal 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 Normal 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1816 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar13Moderate
Apr11Good
May14Moderate
Jun14Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Normal?

Normal sits at 40.5°N, 89.0°W, 801 ft above sea level, in United States. The nearest listed city is Bloomington, 1.9 mi away.

Topography around Normal

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

Within 2 miles, the terrain around Normal has only modest variations in elevation — a maximum elevation change of 151 ft around an average of 810 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 276 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 531 ft.

The land around Normal is covered by artificial surfaces (39%), trees (30%) and grassland (21%) within 2 miles, cropland (74%) within 10 miles, and cropland (83%) within 50 miles.

2 miles
151 ft
10 miles
276 ft
50 miles
531 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Bloomington 1.9 mi · Washington 25 mi · Morton 25 mi · East Peoria 33 mi · Peoria 34 mi · North Peoria 34 mi · Pekin 34 mi · Decatur 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 Normal (40.5142°, -88.9906°, elevation 801 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).