Muskego in Spring

In spring (March, April and May), Muskego sees average daytime highs around 55°F and overnight lows near 38°F, with 10.1 in of precipitation over about 33 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.

Over the season highs climb from about 37°F in early March to 71°F by late May. The sky is clear or mostly clear about 24% of the time across spring, and the air most often feels dry.

Spring is Muskego's 3rd-best season to visit on our travel score. For the whole year in context, see Muskego's year-round climate.

Avg daytime high
55°F
3rd-warmest season
Avg overnight low
38°F
Precipitation
10.1 in
33 wet days
Avg wind
8 mph
Travel score
3.3
3rd-best season
Months
Mar · Apr · May

Temperature in Muskego in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 37°F in early March to 71°F by late May.

A typical spring day in Muskego reaches about 55°F and drops to 38°F overnight. The warmest of the three months is May, the coolest March.

20°40°60°80°MarAprMay

How spring really feels in Muskego

Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 47 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
47
6 feel bitter (≤ 14°F)

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

Muskego weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan28° / 15°1.88.36.89.20.0
Feb32° / 18°1.775.610.20.0
Mar43° / 28°2.39.34.111.60.8
Apr55° / 38°4.012.11.713.13.4
May67° / 49°3.811.7014.45.8
Jun77° / 59°3.811.2015.16.5
Jul81° / 64°3.410.1014.86.5
Aug79° / 62°3.610.3013.86.7
Sep72° / 54°3.08.7012.36.9
Oct59° / 43°2.98.90.310.84.7
Nov45° / 32°2.28.11.99.51.1
Dec33° / 21°2.07.85.18.90.0

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitationSnow

Muskego gets around 10.1 in of rain and snow over 33 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%MarAprMay

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 8 mph across spring.

051015MarAprMay

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 10 h 54 min in early March to 14 h 54 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 4.9 kWh/m².

0246MarAprMay
Planning a trip in spring

Is spring a good time to visit Muskego?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.3
Sightseeing
3rd-best month of the year
0.9
Beach & pool
3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Muskego.

What to pack for Muskego in Spring

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

In spring, Muskego sees daytime highs around 55°F and nights near 38°F. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 33 days see rain.

a warm layera heavy coatrain gearsun protection

Sea temperature near Muskego in Spring

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

The sea at the nearest coast (about 14 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 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 Muskego in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages 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 Muskego 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 Muskego in Spring

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Muskego 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 1616 µg/m³Oct 239 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar15Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Moderate
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Muskego?

Muskego sits at 42.9°N, 88.1°W, 801 ft above sea level, in United States. The nearest listed city is New Berlin, 5.0 mi away.

Topography around Muskego

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

Within 2 miles, the terrain around Muskego has only modest variations in elevation — a maximum elevation change of 246 ft around an average of 820 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 627 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 840 ft.

The land around Muskego is covered by trees (39%) and grassland (31%) within 2 miles, trees (40%) and grassland (26%) within 10 miles, and water (32%), cropland (29%) and trees (21%) within 50 miles.

2 miles
246 ft
10 miles
627 ft
50 miles
840 ft
treesgrasslandcroplandartificial surfaceswaterwetland
Spring weather nearby: New Berlin 5.0 mi · Franklin 5.0 mi · Greenfield 7.5 mi · Waukesha 8.7 mi · West Allis 9.9 mi · Brookfield 11 mi · Wauwatosa 12 mi · Caledonia 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 Muskego (42.9059°, -88.139°, elevation 801 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.