Wasco weather in April

In April, Wasco sees average daytime highs of 58°F and overnight lows near 39°F, with 4.5 in of precipitation across 12.1 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 54°F in the first days to 62°F by the end. The sky is clear or mostly clear about 23% 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 Wasco's 9th-clearest and 1st-windiest month. For the whole year in context, see Wasco's year-round climate.

Daytime high
58°
7th warmest
Overnight low
39°
6th coldest
Precipitation
4.5 in
12.1 wet days
Daylight
13 h 06 min
5:20 AM – 6:28 PM
Cloud cover
67%
9th clearest
Wind
10 mph
1st windiest
Solar energy
4.93 kWh/m²
Travel score
4.0
out of 10

Wasco is unincorporated community in Illinois.

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 54°F in the first days to 62°F by the end.

A typical April day in Wasco reaches about 58°F in the afternoon and slips back to 39°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 44°F and 72°F. Set against its neighbours, April runs about 12°F warmer than March and about 11°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15335
25335
35435
45435
55436
65536
75537
85537
95637
105637
115738
125738
135738
145839
155839
165840
175940
185940
196040
206041
216041
226042
236142
246142
256142
266243
276243
286244
296344
306344

How April really feels in Wasco

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 13 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
13
wind chill below the day's low

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

Wasco 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
Jan29° / 16°2.07.95.69.30.0
Feb34° / 19°1.974.810.30.0
Mar46° / 29°2.69.22.911.71.3
Apr58° / 39°4.512.1113.14.0
May69° / 50°4.712.7014.35.9
Jun78° / 60°4.211.90156.4
Jul82° / 64°3.610.7014.76.3
Aug80° / 62°3.610.5013.76.6
Sep73° / 55°3.28.5012.37.0
Oct61° / 43°3.28.80.110.95.1
Nov46° / 32°2.47.91.59.61.5
Dec35° / 22°2.27.94.690.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23268
33268
43268
53268
63367
73367
83466
93466
103466
113565
123565
133565
143565
153763
163763
173763
183763
193862
203862
213862
223862
233763
243862
253862
263763
273664
283664
293664
303664

Chance of precipitation in April

Any precipitationSnow

Wasco gets around 4.5 in of rain and snow over 12.1 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 41% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1374
2374
3384
4384
5384
6394
7394
8395
9405
10405
11405
12415
13414
14414
15414
16404
17403
18403
19403
20402
21412
22412
23412
24411
25411
26411
27411
28411
29411
30410

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19820
29820
39820
49820
59820
69820
79820
89721
99721
109721
119721
129721
139721
149631
159631
169631
179631
189631
199631
209631
219541
229541
239541
249550
259451
269451
279361
289361
299271
309271

Wind in April

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

Across April, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
29light breeze
39light 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
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 5:46 AM to 4:58 AM, and sunset from 6:11 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:466:11
212.55:446:12
312.55:426:13
412.65:406:14
512.65:396:15
612.75:376:17
712.75:356:18
812.85:336:19
912.85:326:20
1012.95:306:21
1112.95:286:22
1212.95:276:23
1313.05:256:24
1413.05:236:26
1513.15:226:27
1613.15:206:28
1713.25:186:29
1813.25:176:30
1913.35:156:31
2013.35:136:32
2113.45:126:33
2213.45:106:34
2313.45:096:36
2413.55:076:37
2513.55:066:38
2613.65:046:39
2713.65:036:40
2813.75:016:41
2913.75:006:42
3013.74:586:43

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.93 kWh/m².

For context, solar energy here swings from a low near 1.67 kWh/m² to a high of 6.28 kWh/m² in June across the year — April's 4.93 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.6Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.9Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.3Bright
305.3Bright
Planning a trip in April

Is April a good time to visit Wasco?

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

4.0
Sightseeing
7th-best month of the year
0.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit Wasco for sightseeing.

What to pack for Wasco in April

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

In April, Wasco sees daytime highs around 58°F and nights near 39°F. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Wasco in April

The nearest coast averages about 39°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 40 mi away) is warmest in August at about 73°F and coldest in February near 36°F.

It's comfortable for a long swim from Jul 13 to Sep 15 — about 2.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr39Bracing
May45Bracing
Jun57Bracing
Jul70Refreshing
Aug73Refreshing
Sep68Refreshing
Oct58Bracing
Nov49Bracing
Dec42Bracing

UV index in Wasco 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 Wasco 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 20UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Wasco 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 Wasco 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 Wasco?

Wasco sits at 41.9°N, 88.4°W, 820 ft above sea level, in United States. The nearest listed city is St. Charles, 5.0 mi away.

Topography around Wasco

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

Within 2 miles, the terrain around Wasco has only modest variations in elevation — a maximum elevation change of 259 ft around an average of 840 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 436 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 892 ft.

The land around Wasco is covered by trees (50%) and grassland (35%) within 2 miles, cropland (41%), trees (25%) and grassland (22%) within 10 miles, and cropland (46%) and trees (20%) within 50 miles.

2 miles
259 ft
10 miles
436 ft
50 miles
892 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: St. Charles 5.0 mi · Geneva 6.2 mi · South Elgin 6.8 mi · Batavia 7.5 mi · Elgin 9.3 mi · North Aurora 9.9 mi · West Chicago 11 mi · Bartlett 12 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 Wasco (41.9381°, -88.4045°, elevation 820 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).