New Berlin in Summer

In summer (June, July and August), New Berlin sees average daytime highs around 76°F and overnight lows near 64°F, with 10.2 in of rain over about 32 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Over the season highs climb from about 69°F in early June to 76°F by late August. The sky is clear or mostly clear about 34% of the time across summer, and the air most often feels humid.

Summer is New Berlin's best season of the year to visit on our travel score. For the whole year in context, see New Berlin's year-round climate.

Avg daytime high
76°F
warmest season of the year
Avg overnight low
64°F
Rainfall
10.2 in
32 wet days
Avg wind
8 mph
Travel score
6.7
best season of the year
Months
Jun · Jul · Aug

Temperature in New Berlin in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 69°F in early June to 76°F by late August.

A typical summer day in New Berlin reaches about 76°F and drops to 64°F overnight. The warmest of the three months is July, the coolest June.

40°60°80°JunJulAug

How summer really feels in New Berlin

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

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

New Berlin weather by month

How the three summer months (June, July and August) 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°1.975.510.20.0
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°3.210.1014.86.7
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 Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

New Berlin gets around 10.2 in of rain over 32 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 8 mph across summer.

051015JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 54 min in early June to 13 h 06 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 6.0 kWh/m².

0246JunJulAug
Planning a trip in summer

Is summer a good time to visit New Berlin?

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

6.7
Sightseeing
1st-best month of the year
5.9
Beach & pool
1st-best month of the year

summer is a reasonable time to visit New Berlin for sightseeing.

What to pack for New Berlin in Summer

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

In summer, New Berlin sees daytime highs around 76°F and nights near 64°F. Pack sun protection. Worth having: light clothes and rain gear. About 32 days see rain.

sun protectionlight clothesrain gear

Sea temperature near New Berlin in Summer

The nearest coast averages about 64°F across summer — 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 New Berlin in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in New Berlin 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 New Berlin in Summer

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in New Berlin 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 New Berlin?

New Berlin sits at 43.0°N, 88.1°W, 922 ft above sea level, in United States. The nearest listed city is Greenfield, 5.0 mi away.

Topography around New Berlin

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

Within 2 miles, the terrain around New Berlin has only modest variations in elevation — a maximum elevation change of 194 ft around an average of 886 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 846 ft.

The land around New Berlin is covered by trees (43%), artificial surfaces (28%) and grassland (22%) within 2 miles, trees (40%), artificial surfaces (27%) and grassland (23%) within 10 miles, and water (34%), cropland (28%) and trees (20%) within 50 miles.

2 miles
194 ft
10 miles
627 ft
50 miles
846 ft
treesgrasslandcroplandartificial surfaceswater
Summer weather nearby: Greenfield 5.0 mi · Muskego 5.0 mi · Brookfield 5.6 mi · West Allis 5.6 mi · Waukesha 6.8 mi · Franklin 6.8 mi · Wauwatosa 7.5 mi · Milwaukee 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 New Berlin (42.9764°, -88.1084°, elevation 922 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.