South Milwaukee weather in March

In March, South Milwaukee sees average daytime highs of 35°F and overnight lows near 27°F, with 2.6 in of precipitation across 9.4 wet days and about 11.6 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 32°F in the first days to 38°F by the end. The sky is clear or mostly clear about 25% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is South Milwaukee's 7th-clearest and 7th-windiest month. For the whole year in context, see South Milwaukee's year-round climate.

Daytime high
35°
10th warmest
Overnight low
27°
3rd coldest
Precipitation
2.6 in
9.4 wet days
Daylight
11 h 36 min
6:12 AM – 5:50 PM
Cloud cover
64%
7th clearest
Wind
13 mph
7th windiest
Solar energy
4.19 kWh/m²
Travel score
0.0
out of 10

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

Density
1,692/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 32°F in the first days to 38°F by the end.

A typical March day in South Milwaukee reaches about 35°F in the afternoon and slips back to 27°F overnight — a 8°F spread between the day's warmth and the night's chill. On most days the high lands between 27°F and 44°F. Set against its neighbours, March runs about 5°F warmer than February and about 8°F cooler than April.

10°20°30°40°50°151015202531
Avg high (°F)Avg low (°F)
13223
23223
33223
43223
53324
63324
73324
83324
93425
103425
113426
123426
133526
143527
153527
163527
173628
183628
193628
203629
213629
223729
233730
243730
253730
263831
273831
283831
293832
303832
313932

How March really feels in South Milwaukee

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 31 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
31
10 feel bitter (≤ 14°F)

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

South Milwaukee weather by month

How March compares with the rest of the year at a glance. March is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 21°2.49.77.89.20.0
Feb30° / 21°2.17.25.810.20.0
Mar35° / 27°2.69.43.911.60.0
Apr43° / 37°4.311.51.713.10.5
May53° / 47°3.410.6014.42.9
Jun66° / 60°3.19.9015.15.9
Jul74° / 69°2.89014.87.2
Aug75° / 69°3.510.3013.87.1
Sep69° / 63°3.39.5012.36.6
Oct57° / 51°3.610.40.110.84.1
Nov45° / 39°3.09.91.49.51.0
Dec36° / 29°2.69.25.48.90.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23862
33862
43862
53862
64060
73961
84060
94060
104060
114060
124060
134159
144159
154258
164159
174159
184159
194159
204159
214060
224060
233961
243961
253862
263763
273763
283664
293664
303664
313565

Chance of precipitation in March

Any precipitationSnow

South Milwaukee gets around 2.6 in of rain and snow over 9.4 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 30% and peaks near 36% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13020
23020
33019
43019
53018
63018
73017
83017
93016
103016
113015
123015
132914
142913
152913
162812
172812
182811
192811
202810
212910
22299
23309
24319
25318
26328
27338
28348
29348
30358
31367

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 13 mph in March.

Across March, daily wind ranges from about 13 mph on the calmest days to 13 mph at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (mph)Feels
113breezy
213breezy
313breezy
413breezy
513breezy
613breezy
713breezy
813breezy
913breezy
1013breezy
1113breezy
1213breezy
1313breezy
1413breezy
1513breezy
1613breezy
1713breezy
1813breezy
1913breezy
2013breezy
2113breezy
2213breezy
2313breezy
2413breezy
2513breezy
2613breezy
2713breezy
2813breezy
2913breezy
3013breezy
3113breezy

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 54 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over March. Sunrise moves from 6:38 AM to 5:45 AM, and sunset from 5:32 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:385:32
210.96:365:33
311.06:345:34
411.06:335:36
511.16:315:37
611.16:295:38
711.26:285:39
811.26:265:40
911.36:245:42
1011.36:235:43
1111.46:215:44
1211.46:195:45
1311.56:175:47
1411.56:165:48
1511.66:145:49
1611.66:125:50
1711.76:105:51
1811.76:085:53
1911.86:075:54
2011.86:055:55
2111.96:035:56
2211.96:015:57
2312.05:595:59
2412.05:586:00
2512.15:566:01
2612.15:546:02
2712.25:526:03
2812.25:506:05
2912.35:486:06
3012.35:476:07
3112.45:456:08

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.19 kWh/m².

For context, solar energy here swings from a low near 1.39 kWh/m² to a high of 6.51 kWh/m² in June across the year — March's 4.19 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.7Moderate
43.7Moderate
53.8Moderate
63.8Moderate
73.9Moderate
83.9Moderate
94.0Moderate
104.0Bright
114.0Bright
124.1Bright
134.1Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.4Bright
224.4Bright
234.4Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in March

Is March a good time to visit South Milwaukee?

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

0.0
Sightseeing
9th-best month of the year
0.0
Beach & pool
7th-best month of the year

March is a weaker month for outdoor sightseeing in South Milwaukee.

What to pack for South Milwaukee in March

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

In March, South Milwaukee sees daytime highs around 35°F and nights near 27°F. Pack a warm layer and a heavy coat. Worth having: rain gear and a windbreaker. About 9 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near South Milwaukee in March

The nearest coast averages about 36°F in March — 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 South Milwaukee in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in South Milwaukee 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 South Milwaukee in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in South Milwaukee 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 South Milwaukee?

South Milwaukee sits at 42.9°N, 87.9°W, 669 ft above sea level, in United States. The nearest listed city is Oak Creek, 1.9 mi away.

Topography around South Milwaukee

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

Within 2 miles, the terrain around South Milwaukee has only modest variations in elevation — a maximum elevation change of 190 ft around an average of 653 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 400 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 840 ft.

The land around South Milwaukee is covered by artificial surfaces (34%), trees (25%) and water (25%) within 2 miles, water (44%) within 10 miles, and water (49%) within 50 miles.

2 miles
190 ft
10 miles
400 ft
50 miles
840 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Oak Creek 1.9 mi · Cudahy 3.1 mi · Caledonia 8.1 mi · Greenfield 8.7 mi · Franklin 9.3 mi · Milwaukee 9.3 mi · West Allis 11 mi · Wauwatosa 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 South Milwaukee (42.9106°, -87.8606°, elevation 669 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).