Pottstown weather in July

In July, Pottstown sees average daytime highs of 86°F and overnight lows near 67°F, with 4.0 in of rain across 11.3 wet days and about 14.6 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 86°F through the month. The sky is clear or mostly clear about 26% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 48 min at the start of July to 14 h 12 min by month's end. Set against the rest of the year, July is Pottstown's 5th-clearest and 11th-windiest month. For the whole year in context, see Pottstown's year-round climate.

Daytime high
86°
1st warmest
Overnight low
67°
12th coldest
Rainfall
4.0 in
11.3 wet days
Daylight
14 h 36 min
4:50 AM – 7:26 PM
Cloud cover
59%
5th clearest
Wind
5 mph
11th windiest
Solar energy
6 kWh/m²
Travel score
4.9
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 86°F through the month.

A typical July day in Pottstown reaches about 86°F in the afternoon and slips back to 67°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 93°F. Set against its neighbours, July runs about 5°F warmer than June and about 2°F warmer than August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18566
28566
38566
48567
58567
68567
78567
88567
98667
108667
118667
128667
138667
148668
158668
168668
178668
188668
198668
208668
218668
228668
238668
248668
258668
268668
278668
288568
298568
308568
318568

How July really feels in Pottstown

Once humidity and wind are folded in, July averages 0 days that feel above 90°F and 0 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
0
wind chill below the day's low

July 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 July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 24% of July, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55050
65149
75149
85050
95149
105149
115149
125248
135248
145149
155149
165050
175050
185050
195050
204951
214951
224951
234951
244852
254852
264852
274951
284951
294852
304852
314852

Chance of precipitation in July

Any precipitation

Pottstown gets around 4.0 in of rain over 11.3 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
336
436
536
635
735
835
934
1034
1134
1234
1334
1434
1534
1635
1735
1836
1937
2037
2138
2238
2338
2439
2539
2639
2739
2840
2939
3039
3139

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 44% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11622232910
21622232910
31621232910
41621232910
51621232911
61620232911
71620232911
81620233011
91619233011
101619233012
111519243012
121518243112
131418243112
141418243113
151318243113
161318243114
171317243114
181217243215
191217243215
201117243315
211116243315
221016253415
231016253415
241016253415
251016253415
261016253315
271017263315
281017263315
291017263214
301118263214
311118253214

Wind in July

Winds average 5 mph in July.

Across July, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 48 min at the start of July to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:41 AM to 5:03 AM, and sunset from 7:31 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:417:31
214.84:417:31
314.84:427:31
414.84:427:31
514.84:437:30
614.84:437:30
714.84:447:30
814.84:457:30
914.74:457:29
1014.74:467:29
1114.74:477:29
1214.74:477:28
1314.74:487:28
1414.64:497:27
1514.64:497:27
1614.64:507:26
1714.64:517:26
1814.64:527:25
1914.54:527:24
2014.54:537:24
2114.54:547:23
2214.54:557:22
2314.44:567:22
2414.44:577:21
2514.44:587:20
2614.34:587:19
2714.34:597:18
2814.35:007:17
2914.35:017:16
3014.25:027:15
3114.25:037:14

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6 kWh/m².

For context, solar energy here swings from a low near 1.77 kWh/m² to a high of 6.06 kWh/m² in June across the year — July's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.0Intense
176.0Intense
186.0Bright
196.0Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in July

Is July a good time to visit Pottstown?

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

4.9
Sightseeing
7th-best month of the year
6.7
Beach & pool
2nd-best month of the year

July 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 July

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

In July, Pottstown sees daytime highs around 86°F and nights near 67°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Pottstown in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks 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 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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. 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).