Caledonia weather in April

In April, Caledonia sees average daytime highs of 51°F and overnight lows near 38°F, with 4.2 in of precipitation across 12.5 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 46°F in the first days to 55°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 Caledonia's 9th-clearest and 5th-windiest month. For the whole year in context, see Caledonia's year-round climate.

Daytime high
51°
7th warmest
Overnight low
38°
6th coldest
Precipitation
4.2 in
12.5 wet days
Daylight
13 h 12 min
5:17 AM – 6:27 PM
Cloud cover
66%
9th clearest
Wind
11 mph
5th windiest
Solar energy
5.01 kWh/m²
Travel score
2.2
out of 10

Caledonia is village in Racine County, Wisconsin, United States.

Density
196/km²
people per km²

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 46°F in the first days to 55°F by the end.

A typical April day in Caledonia reaches about 51°F in the afternoon and slips back to 38°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 40°F and 62°F. Set against its neighbours, April runs about 10°F warmer than March and about 11°F cooler than May.

20°30°40°50°60°70°151015202530
Avg high (°F)Avg low (°F)
14633
24634
34634
44734
54735
64735
74835
84836
94836
104936
114937
124937
135037
145038
155038
165138
175139
185139
195239
205240
215240
225340
235340
245341
255341
265442
275442
285542
295543
305543

How April really feels in Caledonia

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 17 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
17
wind chill below the day's low

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

Caledonia weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan29° / 18°2.18.76.89.20.0
Feb31° / 20°1.97.15.410.30.0
Mar40° / 28°2.49.23.611.60.3
Apr51° / 38°4.212.51.613.12.2
May62° / 49°3.811.6014.44.9
Jun73° / 61°3.510.9015.16.6
Jul79° / 67°3.19.8014.86.8
Aug78° / 66°3.610.7013.76.8
Sep71° / 58°3.09.3012.36.8
Oct58° / 46°3.29.20.210.84.5
Nov45° / 35°2.58.71.59.61.1
Dec35° / 25°2.38.758.90.0

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 13% of April, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33565
43466
53466
63466
73466
83565
93466
103565
113466
123466
133664
143664
153664
163763
173862
183862
193862
203961
213961
224060
233961
243961
253961
264060
273961
283961
293961
303961

Chance of precipitation in April

Any precipitationSnow

Caledonia gets around 4.2 in of rain and snow over 12.5 wet days in April, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 42% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1376
2386
3397
4397
5407
6417
7417
8418
9428
10428
11428
12427
13427
14427
15427
16426
17426
18425
19425
20424
21424
22423
23423
24412
25412
26412
27401
28401
29391
30391

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29982
30982

Wind in April

Winds average 11 mph in April.

Across April, daily wind ranges from about 10 mph on the calmest days to 11 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
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1811light 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 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 5:43 AM to 4:55 AM, and sunset from 6:09 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:436:09
212.55:416:11
312.55:406:12
412.65:386:13
512.65:366:14
612.75:346:15
712.75:336:16
812.85:316:18
912.85:296:19
1012.95:276:20
1112.95:266:21
1213.05:246:22
1313.05:226:23
1413.15:206:25
1513.15:196:26
1613.25:176:27
1713.25:156:28
1813.35:146:29
1913.35:126:30
2013.45:106:32
2113.45:096:33
2213.45:076:34
2313.55:066:35
2413.55:046:36
2513.65:026:37
2613.65:016:39
2713.74:596:40
2813.74:586:41
2913.84:566:42
3013.84:556:43

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.01 kWh/m².

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 6.42 kWh/m² in June across the year — April's 5.01 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.8Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in April

Is April a good time to visit Caledonia?

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

2.2
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Caledonia.

What to pack for Caledonia in April

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

In April, Caledonia sees daytime highs around 51°F and nights near 38°F. Pack a warm layer. Worth having: rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

Sea temperature near Caledonia 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 offshore is warmest in August at about 70°F and coldest in March near 36°F.

It's comfortable for a long swim from Jul 24 to Sep 2 — about 1.3 months when the water holds above 68°F.

30°40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr38Bracing
May43Bracing
Jun55Bracing
Jul67Cool
Aug70Refreshing
Sep66Cool
Oct56Bracing
Nov47Bracing
Dec41Bracing

UV index in Caledonia 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 Caledonia peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 22UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Caledonia 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 Caledonia is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1017 µg/m³Oct 249 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr15Moderate
May16Moderate
Jun17Moderate
Jul17Moderate
Aug16Moderate
Sep13Moderate
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Caledonia?

Caledonia sits at 42.8°N, 87.9°W, 722 ft above sea level, in United States. The nearest listed city is Oak Creek, 6.2 mi away.

Topography around Caledonia

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

Within 2 miles, the terrain around Caledonia has only modest variations in elevation — a maximum elevation change of 171 ft around an average of 735 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 505 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 840 ft.

The land around Caledonia is covered by cropland (49%), grassland (23%) and trees (20%) within 2 miles, cropland (26%), trees (22%) and grassland (22%) within 10 miles, and water (45%) within 50 miles.

2 miles
171 ft
10 miles
505 ft
50 miles
840 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Oak Creek 6.2 mi · South Milwaukee 8.1 mi · Franklin 8.1 mi · Mount Pleasant 8.1 mi · Racine 9.3 mi · Cudahy 11 mi · Greenfield 12 mi · Muskego 13 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 Caledonia (42.8078°, -87.9243°, elevation 722 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).