Pottstown in Summer

In summer (June, July and August), Pottstown sees average daytime highs around 83°F and overnight lows near 65°F, with 11.7 in of rain over about 33 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 78°F in early June to 82°F by late August. The sky is clear or mostly clear about 26% of the time across summer, and the air most often feels muggy.

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

Avg daytime high
83°F
warmest season of the year
Avg overnight low
65°F
Rainfall
11.7 in
33 wet days
Avg wind
5 mph
Travel score
5.5
best season of the year
Months
Jun · Jul · Aug

Temperature in Pottstown in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 78°F in early June to 82°F by late August.

A typical summer day in Pottstown reaches about 83°F and drops to 65°F overnight. The warmest of the three months is July, the coolest June.

40°60°80°JunJulAug

How summer really feels in Pottstown

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.

Pottstown 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
Jan38° / 25°3.39.34.19.50.0
Feb41° / 26°3.093.910.40.3
Mar50° / 33°4.010.83.311.72.2
Apr62° / 43°3.9110.4135.1
May72° / 53°3.711.4014.26.3
Jun81° / 62°4.011.6014.86.0
Jul86° / 67°4.011.3014.64.9
Aug83° / 66°3.710.2013.65.7
Sep76° / 58°4.49.3012.36.9
Oct64° / 47°3.88.70.110.95.9
Nov53° / 37°3.07.90.69.83.1
Dec43° / 30°3.89.12.49.20.5

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Pottstown gets around 11.7 in of rain over 33 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 muggy — 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 5 mph across summer.

0246810JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 36 min in early June to 13 hours 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 5.8 kWh/m².

0246JunJulAug
Planning a trip in summer

Is summer a good time to visit Pottstown?

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.

5.5
Sightseeing
1st-best month of the year
6.6
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Pottstown for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Pottstown in Summer

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

In summer, Pottstown sees daytime highs around 83°F and nights near 65°F. Pack light clothes and sun protection. Worth having: rain gear. About 33 days see rain.

light clothessun protectionrain gear

UV index in Pottstown in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pottstown peaks around July 10 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 10UV 8Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Pottstown 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 Pottstown is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1417 µg/m³Nov 148 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr13Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Pottstown?

Pottstown sits at 40.2°N, 75.6°W, 151 ft above sea level, in United States. The nearest listed city is Limerick, 6.8 mi away.

Topography around Pottstown

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

Within 2 miles, the terrain around Pottstown has only modest variations in elevation — a maximum elevation change of 410 ft around an average of 220 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,076 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,336 ft.

The land around Pottstown is covered by trees (50%), artificial surfaces (24%) and grassland (20%) within 2 miles, trees (62%) and grassland (25%) within 10 miles, and trees (58%) within 50 miles.

2 miles
410 ft
10 miles
1,076 ft
50 miles
2,336 ft
treesgrasslandcroplandartificial surfaceswater
Summer weather nearby: Limerick 6.8 mi · Phoenixville 11 mi · Reading 16 mi · King of Prussia 17 mi · Norristown 19 mi · Lansdale 19 mi · Wayne 20 mi · West Chester 20 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 Pottstown (40.2454°, -75.6496°, elevation 151 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.