Germantown in Spring

In spring (March, April and May), Germantown sees average daytime highs around 50°F and overnight lows near 37°F, with 10.0 in of precipitation over about 32 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.

Over the season highs climb from about 35°F in early March to 65°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 Germantown's 3rd-best season to visit on our travel score. For the whole year in context, see Germantown's year-round climate.

Avg daytime high
50°F
3rd-warmest season
Avg overnight low
37°F
Precipitation
10.0 in
32 wet days
Avg wind
10 mph
Travel score
2.3
3rd-best season
Months
Mar · Apr · May

Temperature in Germantown in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 35°F in early March to 65°F by late May.

A typical spring day in Germantown reaches about 50°F and drops to 37°F overnight. The warmest of the three months is May, the coolest March.

20°40°60°80°MarAprMay

How spring really feels in Germantown

Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 50 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
50
9 feel bitter (≤ 14°F)

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

Germantown 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
Jan29° / 17°2.08.96.89.20.0
Feb31° / 19°1.86.85.610.20.0
Mar40° / 27°2.49.2411.60.2
Apr50° / 37°4.011.61.813.22.1
May60° / 47°3.611.1014.54.7
Jun71° / 59°3.510.7015.16.5
Jul78° / 65°3.19.7014.96.9
Aug77° / 65°3.510.2013.86.9
Sep70° / 57°3.08.9012.36.7
Oct58° / 46°3.19.60.210.84.3
Nov44° / 34°2.48.81.89.51.0
Dec34° / 24°2.28.15.38.90.0

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

Germantown gets around 10.0 in of rain and snow over 32 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 10 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 5.0 kWh/m².

0246MarAprMay
Planning a trip in spring

Is spring a good time to visit Germantown?

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.

2.3
Sightseeing
3rd-best month of the year
0.3
Beach & pool
3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Germantown.

What to pack for Germantown in Spring

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

In spring, Germantown sees daytime highs around 50°F and nights near 37°F. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 32 days see rain.

a warm layera heavy coatrain gearsun protection

Sea temperature near Germantown 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 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 Germantown 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 Germantown 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 Germantown 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 Germantown is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2116 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar14Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Germantown?

Germantown sits at 43.2°N, 88.1°W, 866 ft above sea level, in United States. The nearest listed city is Menomonee Falls, 3.7 mi away.

Topography around Germantown

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

Within 2 miles, the terrain around Germantown has only modest variations in elevation — a maximum elevation change of 125 ft around an average of 879 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 587 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 846 ft.

The land around Germantown is covered by trees (40%) and grassland (29%) within 2 miles, trees (42%) and grassland (28%) within 10 miles, and water (33%), cropland (31%) and trees (20%) within 50 miles.

2 miles
125 ft
10 miles
587 ft
50 miles
846 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
Spring weather nearby: Menomonee Falls 3.7 mi · Mequon 4.3 mi · Brookfield 12 mi · Wauwatosa 14 mi · West Bend 14 mi · West Allis 16 mi · Waukesha 16 mi · Milwaukee 17 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 Germantown (43.2286°, -88.1104°, elevation 866 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.