Wauwatosa weather in April

In April, Wauwatosa sees average daytime highs of 50°F and overnight lows near 38°F, with 4.1 in of precipitation across 11.9 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 24% 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 Wauwatosa's 8th-clearest and 5th-windiest month. For the whole year in context, see Wauwatosa's year-round climate.

Daytime high
50°
7th warmest
Overnight low
38°
6th coldest
Precipitation
4.1 in
11.9 wet days
Daylight
13 h 12 min
5:17 AM – 6:28 PM
Cloud cover
67%
8th clearest
Wind
10 mph
5th windiest
Solar energy
5.02 kWh/m²
Travel score
2.2
out of 10

Wauwatosa is city in Milwaukee County, Wisconsin, United States.

Density
1,388/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 Wauwatosa reaches about 50°F in the afternoon and slips back to 38°F overnight — a 13°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
24633
34634
44734
54735
64735
74735
84835
94836
104936
114936
124937
135037
145037
155038
165138
175138
185139
195239
205239
215240
225340
235340
245340
255441
265441
275442
285542
295542
305543

How April really feels in Wauwatosa

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 18 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
18
wind chill below the day's low

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

Wauwatosa 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° / 17°2.08.96.89.20.0
Feb31° / 19°1.975.510.20.0
Mar40° / 28°2.49.54.111.60.2
Apr50° / 38°4.111.91.713.12.2
May62° / 48°3.611.6014.44.9
Jun73° / 60°3.510.8015.16.6
Jul79° / 66°3.210.1014.96.7
Aug77° / 65°3.610.7013.86.8
Sep71° / 58°3.09.2012.36.7
Oct58° / 46°3.19.10.210.84.4
Nov45° / 34°2.48.61.79.51.0
Dec34° / 24°2.28.55.48.90.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33367
43466
53466
63367
73367
83367
93466
103466
113466
123565
133664
143763
153763
163862
173961
183961
193961
204060
214060
224060
234159
244159
254060
264060
274060
284060
294060
304060

Chance of precipitation in April

Any precipitationSnow

Wauwatosa gets around 4.1 in of rain and snow over 11.9 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 40% and peaks near 41% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1377
2387
3397
4398
5408
6408
7418
8418
9418
10418
11418
12417
13417
14417
15417
16416
17416
18405
19405
20404
21404
22393
23393
24393
25392
26392
27392
28381
29381
30381

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
91000
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30982

Wind in April

Winds average 10 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
610light breeze
710light breeze
810light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light 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 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 5:44 AM to 4:55 AM, and sunset from 6:10 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:446:10
212.55:426:11
312.55:406:12
412.65:386:13
512.65:366:15
612.75:346:16
712.75:336:17
812.85:316:18
912.85:296:19
1012.95:276:20
1112.95:266:22
1213.05:246:23
1313.05:226:24
1413.15:206:25
1513.15:196:26
1613.25:176:28
1713.25:156:29
1813.35:146:30
1913.35:126:31
2013.45:106:32
2113.45:096:33
2213.55:076:35
2313.55:056:36
2413.65:046:37
2513.65:026:38
2613.65:016:39
2713.74:596:40
2813.74:586:42
2913.84:566:43
3013.84:556:44

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.02 kWh/m².

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 6.43 kWh/m² in June across the year — April's 5.02 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
84.8Bright
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
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in April

Is April a good time to visit Wauwatosa?

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 Wauwatosa.

What to pack for Wauwatosa in April

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

In April, Wauwatosa sees daytime highs around 50°F and nights near 38°F. Pack a warm layer. Worth having: rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Wauwatosa 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 9 mi away) is warmest in August at about 70°F and coldest in March near 36°F.

It's comfortable for a long swim from Jul 29 to Aug 30 — about 1.1 months when the water holds above 68°F.

30°40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr38Bracing
May42Bracing
Jun54Bracing
Jul67Cool
Aug70Refreshing
Sep66Cool
Oct56Bracing
Nov46Bracing
Dec41Bracing

UV index in Wauwatosa 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 Wauwatosa peaks around June 20 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 20UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Wauwatosa 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 Wauwatosa 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 Wauwatosa?

Wauwatosa sits at 43.0°N, 88.0°W, 666 ft above sea level, in United States. The nearest listed city is West Allis, 2.5 mi away.

Topography around Wauwatosa

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

Within 2 miles, the terrain around Wauwatosa has only modest variations in elevation — a maximum elevation change of 233 ft around an average of 728 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 604 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 846 ft.

The land around Wauwatosa is covered by artificial surfaces (51%) and trees (38%) within 2 miles, trees (35%) and artificial surfaces (35%) within 10 miles, and water (40%) and cropland (25%) within 50 miles.

2 miles
233 ft
10 miles
604 ft
50 miles
846 ft
treesgrasslandcroplandartificial surfaceswater
April weather nearby: West Allis 2.5 mi · Brookfield 5.0 mi · Milwaukee 5.0 mi · Greenfield 6.2 mi · New Berlin 7.5 mi · Cudahy 9.9 mi · Menomonee Falls 11 mi · Franklin 11 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 Wauwatosa (43.0495°, -88.0076°, elevation 666 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).