Easton weather in August

In August, Easton sees average daytime highs of 82°F and overnight lows near 64°F, with 3.7 in of rain across 9.8 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 84°F in the first days to 81°F by the end. The sky is clear or mostly clear about 28% of the time in August, and the air most often feels muggy.

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

Daytime high
82°
2nd warmest
Overnight low
64°
11th coldest
Rainfall
3.7 in
9.8 wet days
Daylight
13 h 36 min
5:16 AM – 6:54 PM
Cloud cover
59%
3rd clearest
Wind
5 mph
12th windiest
Solar energy
5.18 kWh/m²
Travel score
6.1
out of 10

Easton is city in and the county seat of Northampton County, Pennsylvania, United States of America.

Density
2,217/km²
people per km²
Founded
1752

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 84°F in the first days to 81°F by the end.

A typical August day in Easton reaches about 82°F in the afternoon and slips back to 64°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 90°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)
18466
28465
38465
48465
58465
68365
78365
88365
98365
108365
118365
128365
138364
148264
158264
168264
178264
188264
198264
208264
218263
228263
238163
248163
258163
268162
278162
288162
298162
308062
318062

How August really feels in Easton

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.

Easton weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 23°3.69.65.29.40.0
Feb40° / 24°3.18.94.610.40.1
Mar48° / 31°4.110.93.811.71.8
Apr60° / 42°3.910.70.513.14.7
May70° / 51°3.711.4014.26.2
Jun79° / 60°4.111014.96.3
Jul84° / 65°3.610.2014.65.4
Aug82° / 64°3.79.8013.66.1
Sep75° / 56°4.38.8012.37.0
Oct63° / 45°4.18.70.210.95.7
Nov51° / 35°3.38.30.89.72.7
Dec41° / 28°4.19.93.49.10.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54852
64852
74852
84753
94654
104654
114654
124654
134654
144753
154753
164852
174852
184951
194951
205050
215149
225149
235149
245248
255248
265248
275248
285248
295149
305248
315248

Chance of precipitation in August

Any precipitation

Easton gets around 3.7 in of rain over 9.8 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 32% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
935
1035
1135
1235
1335
1435
1535
1634
1734
1833
1933
2032
2131
2230
2329
2428
2528
2627
2726
2826
2925
3025
3125

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 25% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1162028279
2162028279
3172027279
4172027279
5182026279
6182126279
7182125279
8182025279
9192024279
10192024289
11192024289
12202024288
13202024288
14202024288
15212024278
16212024277
17222025267
18222025267
19232025266
20232125256
21242125255
22252124245
23262124245
24272224235
25282224224
26282223224
27292323214
28302322214
29312321204
30312421204
31322420204

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 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 August

DaylightNight

Daylight runs from about 14 h 12 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 72 minutes over August. Sunrise moves from 5:01 AM to 5:31 AM, and sunset from 7:13 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:017:13
214.25:027:12
314.15:037:11
414.15:047:09
514.15:057:08
614.05:067:07
714.05:077:06
813.95:087:05
913.95:097:03
1013.95:107:02
1113.85:117:01
1213.85:126:59
1313.85:136:58
1413.75:146:57
1513.75:156:55
1613.65:166:54
1713.65:176:53
1813.65:186:51
1913.55:196:50
2013.55:206:48
2113.45:216:47
2213.45:226:45
2313.35:236:44
2413.35:246:42
2513.35:256:40
2613.25:266:39
2713.25:276:37
2813.15:286:36
2913.15:296:34
3013.05:306:32
3113.05:316:31

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.18 kWh/m².

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 5.99 kWh/m² in June across the year — August's 5.18 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
264.9Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Easton?

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

6.1
Sightseeing
4th-best month of the year
6.8
Beach & pool
2nd-best month of the year

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

What to pack for Easton in August

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

In August, Easton sees daytime highs around 82°F and nights near 64°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Easton in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks 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 Easton 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 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 10UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Easton 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 Easton is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1518 µg/m³Nov 149 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May16Moderate
Jun17Moderate
Jul18Moderate
Aug15Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Easton?

Easton sits at 40.7°N, 75.2°W, 318 ft above sea level, in United States. The nearest listed city is Bethlehem, 8.7 mi away.

Topography around Easton

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

Within 2 miles, the terrain around Easton has only modest variations in elevation — a maximum elevation change of 669 ft around an average of 348 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,191 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,516 ft.

The land around Easton is covered by trees (48%) and artificial surfaces (32%) within 2 miles, trees (50%), cropland (21%) and grassland (20%) within 10 miles, and trees (75%) within 50 miles.

2 miles
669 ft
10 miles
1,191 ft
50 miles
2,516 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Bethlehem 8.7 mi · Whitehall Township 15 mi · Allentown 15 mi · Bridgewater 30 mi · Lansdale 31 mi · Hopatcong Hills 34 mi · Hillsborough 34 mi · Basking Ridge 35 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 Easton (40.6884°, -75.2207°, elevation 318 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).