York weather in August

In August, York sees average daytime highs of 83°F and overnight lows near 67°F, with 3.2 in of rain across 10.1 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 85°F in the first days to 82°F by the end. The sky is clear or mostly clear about 31% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 06 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is York's 3rd-clearest and 12th-windiest month. For the whole year in context, see York's year-round climate.

Daytime high
83°
2nd warmest
Overnight low
67°
11th coldest
Rainfall
3.2 in
10.1 wet days
Daylight
13 h 36 min
5:23 AM – 6:59 PM
Cloud cover
57%
3rd clearest
Wind
5 mph
12th windiest
Solar energy
5.27 kWh/m²
Travel score
5.7
out of 10

York is city in and county seat of York County, Pennsylvania, United States.

Density
3,180/km²
people per km²
Founded
1741

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 85°F in the first days to 82°F by the end.

A typical August day in York reaches about 83°F in the afternoon and slips back to 67°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 91°F. Set against its neighbours, August runs about 2°F cooler than July and about 7°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18569
28569
38569
48568
58568
68568
78568
88468
98468
108468
118468
128468
138467
148467
158467
168367
178367
188367
198367
208367
218366
228366
238366
248366
258366
268366
278265
288265
298265
308265
318265

How August really feels in York

Once humidity and wind are folded in, August 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

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

York weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 26°3.19.14.19.50.0
Feb42° / 27°2.88.83.910.40.4
Mar51° / 34°3.810.1311.72.6
Apr63° / 45°3.610.60.3135.4
May73° / 55°3.511.4014.26.4
Jun81° / 64°3.410.7014.86.0
Jul86° / 69°3.610.5014.55.0
Aug83° / 67°3.210.1013.65.7
Sep77° / 60°4.39.1012.36.9
Oct65° / 48°3.58.20.110.96.1
Nov53° / 38°3.08.10.69.83.3
Dec44° / 31°3.58.92.39.20.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
35050
45050
55050
64951
75050
84951
94951
105050
115050
125149
135149
145149
155248
165248
175248
185248
195446
205446
215446
225446
235446
245446
255446
265446
275446
285347
295347
305446
315347

Chance of precipitation in August

Any precipitation

York gets around 3.2 in of rain over 10.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
435
535
635
735
836
936
1036
1136
1236
1336
1436
1536
1635
1735
1834
1933
2032
2132
2231
2330
2429
2529
2629
2728
2828
2928
3028
3128

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 40% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11017283313
21017273313
31017273313
41117263213
51118263213
61118263213
71118263113
81218263113
91219263113
101219263113
111219263112
121219263112
131219263112
141220263111
151220263111
161220273011
171220273010
181221273010
19132128309
20132128309
21132128308
22142227298
23142227297
24152326297
25162326287
26162425287
27172424277
28182524277
29192523267
30192622267
31202622257

Wind in August

Winds average 5 mph in August, the calmest month.

Across August, daily wind ranges from about 5 mph on the calmest days to 6 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
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 06 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 5:09 AM to 5:38 AM, and sunset from 7:17 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:097:17
214.15:107:16
314.15:117:15
414.05:127:14
514.05:137:13
614.05:147:12
713.95:157:10
813.95:167:09
913.95:167:08
1013.85:177:07
1113.85:187:05
1213.75:197:04
1313.75:207:03
1413.75:217:01
1513.65:227:00
1613.65:236:59
1713.65:246:57
1813.55:256:56
1913.55:266:54
2013.45:276:53
2113.45:286:52
2213.35:296:50
2313.35:306:49
2413.35:316:47
2513.25:326:45
2613.25:336:44
2713.15:346:42
2813.15:356:41
2913.15:366:39
3013.05:376:38
3113.05:386:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.27 kWh/m².

For context, solar energy here swings from a low near 1.79 kWh/m² to a high of 6.09 kWh/m² in June across the year — August's 5.27 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
314.8Bright
Planning a trip in August

Is August a good time to visit York?

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

5.7
Sightseeing
5th-best month of the year
6.9
Beach & pool
1st-best month of the year

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

What to pack for York in August

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

In August, York sees daytime highs around 83°F and nights near 67°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in York in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in York peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highHighModerateLowJun 22UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in York in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in York 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 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is York?

York sits at 40.0°N, 76.7°W, 387 ft above sea level, in United States. The nearest listed city is Hanover, 17 mi away.

Topography around York

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

Within 2 miles, the terrain around York has only modest variations in elevation — a maximum elevation change of 676 ft around an average of 436 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 951 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,398 ft.

The land around York is covered by artificial surfaces (51%) and trees (29%) within 2 miles, trees (45%), grassland (25%) and cropland (20%) within 10 miles, and trees (53%) and cropland (22%) within 50 miles.

2 miles
676 ft
10 miles
951 ft
50 miles
2,398 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Hanover 17 mi · Lancaster 23 mi · Harrisburg 23 mi · Carlisle 29 mi · Westminster 30 mi · Lebanon 31 mi · Hunt Valley 32 mi · Cockeysville 34 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 York (39.9626°, -76.7277°, elevation 387 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).