Attleboro weather in August

In August, Attleboro sees average daytime highs of 80°F and overnight lows near 64°F, with 3.8 in of rain across 10.3 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 82°F in the first days to 79°F by the end. The sky is clear or mostly clear about 33% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Attleboro's 3rd-clearest and 12th-windiest month. For the whole year in context, see Attleboro's year-round climate.

Daytime high
80°
2nd warmest
Overnight low
64°
11th coldest
Rainfall
3.8 in
10.3 wet days
Daylight
13 h 42 min
4:58 AM – 6:40 PM
Cloud cover
57%
3rd clearest
Wind
6 mph
12th windiest
Solar energy
5.22 kWh/m²
Travel score
6.5
out of 10

Attleboro is city in Bristol Country, Massachusetts, United States.

Density
615/km²
people per km²
Founded
1634

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 82°F in the first days to 79°F by the end.

A typical August day in Attleboro reaches about 80°F in the afternoon and slips back to 64°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 72°F and 89°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)
18265
28265
38265
48265
58265
68265
78265
88265
98265
108164
118164
128164
138164
148164
158164
168064
178064
188063
198063
208063
218063
228063
238062
247962
257962
267962
277962
287961
297961
307861
317861

How August really feels in Attleboro

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.

Attleboro weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 22°3.59.75.49.30.0
Feb39° / 24°3.18.74.810.30.0
Mar46° / 30°4.410.74.611.71.3
Apr58° / 40°3.710.90.913.14.0
May67° / 49°3.110.6014.36.0
Jun77° / 59°3.610.50156.6
Jul82° / 65°3.410.8014.75.9
Aug80° / 64°3.810.3013.76.5
Sep73° / 56°3.58.5012.37.0
Oct62° / 46°4.09.30.210.95.4
Nov51° / 36°3.590.89.62.7
Dec42° / 28°4.210.54.390.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% 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 (%)
15248
25248
35248
45248
55248
65149
75149
85149
95149
105149
114951
125050
135050
145050
155050
165050
175149
185248
195248
205347
215347
225446
235446
245446
255545
265644
275545
285545
295545
305446
315446

Chance of precipitation in August

Any precipitation

Attleboro gets around 3.8 in of rain over 10.3 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 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
637
737
837
938
1038
1137
1237
1337
1437
1536
1636
1735
1834
1933
2032
2131
2230
2330
2429
2528
2628
2727
2827
2927
3026
3126

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11221253012
21221252912
31321252912
41321252912
51321262812
61321262812
71321262712
81321272712
91421272612
101421272612
111421282612
121421282511
131421282511
141422292411
151522292410
161522302410
17152230239
18162330239
19162330238
20172330228
21182429227
22192428217
23202528217
24212527207
25222626206
26232625196
27242724196
28252724186
29252724186
30262723186
31272723176

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 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 78 minutes over August. Sunrise moves from 4:42 AM to 5:14 AM, and sunset from 7:00 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:427:00
214.34:436:59
314.24:446:58
414.24:456:57
514.14:466:55
614.14:476:54
714.14:486:53
814.04:506:52
914.04:516:50
1014.04:526:49
1113.94:536:48
1213.94:546:46
1313.84:556:45
1413.84:566:43
1513.84:576:42
1613.74:586:40
1713.74:596:39
1813.65:006:37
1913.65:016:36
2013.55:026:34
2113.55:036:33
2213.45:046:31
2313.45:056:30
2413.45:076:28
2513.35:086:26
2613.35:096:25
2713.25:106:23
2813.25:116:21
2913.15:126:20
3013.15:136:18
3113.05:146:16

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.22 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 5.91 kWh/m² in June across the year — August's 5.22 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
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

Hazard calendar for Attleboro

In seasonPeak

In August, Attleboro sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Attleboro sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Attleboro?

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

6.5
Sightseeing
3rd-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Attleboro in August

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

In August, Attleboro sees daytime highs around 80°F and nights near 64°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Attleboro in August

The nearest coast averages about 70°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 mi away) is warmest in August at about 70°F and coldest in February near 37°F.

It's comfortable for a long swim from Jul 16 to Sep 8 — about 1.8 months when the water holds above 68°F.

30°40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan41Bracing
Feb37Bracing
Mar38Bracing
Apr44Bracing
May53Bracing
Jun61Cool
Jul68Refreshing
Aug70Refreshing
Sep67Cool
Oct62Cool
Nov54Bracing
Dec47Bracing

UV index in Attleboro in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Attleboro peaks around July 10 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 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 highHighHighModerateLowJul 10UV 8Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7Very high
Jul8Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Attleboro 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 Attleboro is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1516 µg/m³Nov 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep12Good
Oct10Good
Nov8Good
Dec10Good
Location & terrain

Where is Attleboro?

Attleboro sits at 41.9°N, 71.3°W, 115 ft above sea level, in United States. The nearest listed city is North Attleborough Center, 2.5 mi away.

Topography around Attleboro

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

Within 2 miles, the terrain around Attleboro has only modest variations in elevation — a maximum elevation change of 246 ft around an average of 157 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 623 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,198 ft.

The land around Attleboro is covered by trees (75%) within 2 miles, trees (79%) within 10 miles, and trees (63%) and water (28%) within 50 miles.

2 miles
246 ft
10 miles
623 ft
50 miles
2,198 ft
treesgrasslandartificial surfacesbare terrainwaterwetland
August weather nearby: North Attleborough Center 2.5 mi · Norton 5.6 mi · Central Falls 6.8 mi · Pawtucket 6.8 mi · Mansfield 6.8 mi · Cumberland 7.5 mi · Lincoln 8.1 mi · Easton 9.9 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 Attleboro (41.9445°, -71.2856°, elevation 115 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).