Woodstock weather in April

In April, Woodstock sees average daytime highs of 57°F and overnight lows near 39°F, with 4.3 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 53°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 48 min by month's end. Set against the rest of the year, April is Woodstock's 9th-clearest and 1st-windiest month. For the whole year in context, see Woodstock's year-round climate.

Daytime high
57°
7th warmest
Overnight low
39°
6th coldest
Precipitation
4.3 in
12.1 wet days
Daylight
13 h 06 min
5:20 AM – 6:28 PM
Cloud cover
67%
9th clearest
Wind
9 mph
1st windiest
Solar energy
4.92 kWh/m²
Travel score
3.8
out of 10

Woodstock is city in McHenry County, Illinois, United States.

Density
719/km²
people per km²
Founded
1852

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 53°F in the first days to 62°F by the end.

A typical April day in Woodstock reaches about 57°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 43°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)
15234
25234
35335
45335
55335
65436
75436
85536
95537
105537
115637
125638
135638
145738
155739
165839
175839
185840
195940
205940
215940
226041
236041
246042
256042
266142
276143
286243
296243
306244

How April really feels in Woodstock

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 14 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
14
wind chill below the day's low

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

Woodstock 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° / 15°2.07.95.99.30.0
Feb33° / 19°1.87.15.210.30.0
Mar45° / 29°2.59.73.411.61.1
Apr57° / 39°4.312.1113.13.8
May68° / 49°4.512.6014.45.8
Jun78° / 60°4.1120156.4
Jul81° / 64°3.510.6014.86.4
Aug79° / 62°3.610013.76.7
Sep73° / 54°3.28.8012.37.0
Oct60° / 42°3.18.90.110.85.0
Nov46° / 31°2.48.11.89.61.3
Dec34° / 21°2.27.94.890.0

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 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23268
33169
43169
53268
63268
73268
83367
93268
103367
113367
123466
133466
143466
153466
163664
173664
183664
193763
203763
213763
223664
233763
243763
253664
263664
273664
283664
293664
303565

Chance of precipitation in April

Any precipitationSnow

Woodstock gets around 4.3 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 42% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1365
2375
3375
4375
5385
6385
7385
8395
9395
10395
11405
12405
13414
14414
15414
16414
17414
18413
19413
20423
21422
22422
23422
24422
25421
26421
27421
28411
29411
30411

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
89820
99820
109820
119721
129721
139721
149721
159631
169631
179631
189631
199631
209730
219730
229640
239640
249640
259640
269550
279550
289361
299361
309361

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 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 5:46 AM to 4:58 AM, and sunset from 6:11 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:466:11
212.55:446:12
312.55:426:14
412.65:406:15
512.65:396:16
612.75:376:17
712.75:356:18
812.85:336:19
912.85:326:20
1012.95:306:22
1112.95:286:23
1213.05:266:24
1313.05:256:25
1413.15:236:26
1513.15:216:27
1613.15:206:28
1713.25:186:30
1813.25:166:31
1913.35:156:32
2013.35:136:33
2113.45:126:34
2213.45:106:35
2313.55:086:36
2413.55:076:38
2513.65:056:39
2613.65:046:40
2713.65:026:41
2813.75:016:42
2913.74:596:43
3013.84:586:44

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.92 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 6.28 kWh/m² in June across the year — April's 4.92 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
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
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Is April a good time to visit Woodstock?

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

3.8
Sightseeing
7th-best month of the year
0.2
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Woodstock.

What to pack for Woodstock in April

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

In April, Woodstock sees daytime highs around 57°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 Woodstock in April

The nearest coast averages about 38°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 30 mi away) is warmest in August at about 71°F and coldest in March near 36°F.

It's comfortable for a long swim from Jul 18 to Sep 8 — about 1.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr38Bracing
May43Bracing
Jun55Bracing
Jul68Refreshing
Aug71Refreshing
Sep67Cool
Oct57Bracing
Nov47Bracing
Dec42Bracing

UV index in Woodstock 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 Woodstock peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Woodstock 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 Woodstock 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 Woodstock?

Woodstock sits at 42.3°N, 88.4°W, 945 ft above sea level, in United States. The nearest listed city is Crystal Lake, 8.7 mi away.

Topography around Woodstock

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

Within 2 miles, the terrain around Woodstock has only modest variations in elevation — a maximum elevation change of 184 ft around an average of 928 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 387 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 827 ft.

The land around Woodstock is covered by trees (40%) and grassland (24%) within 2 miles, cropland (43%), trees (29%) and grassland (21%) within 10 miles, and cropland (42%) and trees (23%) within 50 miles.

2 miles
184 ft
10 miles
387 ft
50 miles
827 ft
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Crystal Lake 8.7 mi · McHenry 9.3 mi · Huntley 9.9 mi · Lake in the Hills 11 mi · Cary 13 mi · Algonquin 13 mi · Carpentersville 17 mi · Round Lake 19 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 Woodstock (42.3147°, -88.4487°, elevation 945 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).