Provincetown weather in August

In August, Provincetown sees average daytime highs of 70°F and overnight lows near 67°F, with 2.8 in of rain across 7.4 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 70°F through the month. The sky is clear or mostly clear about 41% of the time in August, and the air most often feels muggy.

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 Provincetown's 2nd-clearest and 12th-windiest month. For the whole year in context, see Provincetown's year-round climate.

Daytime high
70°
1st warmest
Overnight low
67°
12th coldest
Rainfall
2.8 in
7.4 wet days
Daylight
13 h 42 min
4:53 AM – 6:36 PM
Cloud cover
51%
2nd clearest
Wind
12 mph
12th windiest
Solar energy
5.69 kWh/m²
Travel score
7.1
out of 10

Provincetown is town on Cape Cod in Massachusetts, United States.

Founded
1700

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 70°F through the month.

A typical August day in Provincetown reaches about 70°F in the afternoon and slips back to 67°F overnight — a 3°F spread between the day's warmth and the night's chill. On most days the high lands between 66°F and 75°F. Set against its neighbours, August runs on par with July and about 5°F warmer than September.

60°65°70°75°80°151015202531
Avg high (°F)Avg low (°F)
17168
27168
37168
47168
57168
67168
77168
87168
97168
107167
117167
127167
137167
147167
157167
167167
177167
187067
197067
207067
217067
227066
237066
247066
257066
266966
276966
286966
296965
306965
316965

How August really feels in Provincetown

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.

Provincetown weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan38° / 30°4.311.86.19.30.0
Feb38° / 30°3.710.24.910.30.0
Mar41° / 34°4.611.14.111.70.1
Apr47° / 42°4.211.10.713.11.4
May54° / 50°3.510.6014.33.4
Jun63° / 59°3.180155.8
Jul70° / 66°2.47.5014.77.0
Aug70° / 67°2.87.4013.77.1
Sep66° / 62°3.77.9012.36.5
Oct58° / 53°4.89.9010.94.5
Nov50° / 44°4.39.80.59.62.4
Dec43° / 36°4.711.63.390.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35842
45842
55842
65743
75743
85743
95644
105644
115644
125644
135644
145644
155644
165644
175644
185644
195743
205743
215842
225842
235941
245941
256040
266040
276040
285941
296040
306040
316040

Chance of precipitation in August

Any precipitation

Provincetown gets around 2.8 in of rain over 7.4 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 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
325
425
525
625
725
825
925
1025
1125
1225
1325
1425
1525
1624
1724
1824
1924
2024
2123
2223
2323
2423
2524
2624
2724
2824
2924
3024
3124

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111231478
211232478
321232478
421232468
521232468
621233458
721233459
821234449
921234448
1021234438
1121235428
1221335418
1331335418
1431336408
1531436398
1631437388
1741537377
1841538367
1941638356
2051739346
2151839335
2251939325
2362039314
2472139304
2572139293
2682239283
2792339273
2892439262
29102538252
30112538242
31122637241

Wind in August

Winds average 12 mph in August, the calmest month.

Across August, daily wind ranges from about 12 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012breezy
3112breezy

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 4:38 AM to 5:10 AM, and sunset from 6:56 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:386:56
214.34:396:55
314.24:406:54
414.24:416:52
514.24:426:51
614.14:436:50
714.14:446:49
814.04:456:47
914.04:466:46
1014.04:476:45
1113.94:486:43
1213.94:496:42
1313.84:506:41
1413.84:516:39
1513.84:526:38
1613.74:536:36
1713.74:546:35
1813.64:566:33
1913.64:576:32
2013.54:586:30
2113.54:596:29
2213.55:006:27
2313.45:016:25
2413.45:026:24
2513.35:036:22
2613.35:046:21
2713.25:056:19
2813.25:066:17
2913.15:076:15
3013.15:086:14
3113.05:106:12

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.69 kWh/m².

For context, solar energy here swings from a low near 1.55 kWh/m² to a high of 6.43 kWh/m² in July across the year — August's 5.69 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Bright
56.0Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.5Bright
235.5Bright
245.5Bright
255.4Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.2Bright
315.2Bright
Planning a trip in August

Hazard calendar for Provincetown

In seasonPeak

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

Provincetown 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 Provincetown?

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

7.1
Sightseeing
1st-best month of the year
4.5
Beach & pool
1st-best month of the year

August is one of the better times to visit Provincetown for general sightseeing.

What to pack for Provincetown in August

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

In August, Provincetown sees daytime highs around 70°F and nights near 67°F. Worth packing: sun protection. About 7 days see rain.

sun protection

Sea temperature near Provincetown in August

The nearest coast averages about 67°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 67°F and coldest in March near 39°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan42Bracing
Feb40Bracing
Mar39Bracing
Apr42Bracing
May49Bracing
Jun58Bracing
Jul65Cool
Aug67Cool
Sep63Cool
Oct57Bracing
Nov51Bracing
Dec46Bracing

UV index in Provincetown 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 Provincetown peaks around June 21 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 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 highHighHighModerateLowJun 21UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7Very high
Jun8Very high
Jul8Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Provincetown?

Provincetown sits at 42.1°N, 70.2°W, 0 ft above sea level, in United States. The nearest listed city is Yarmouth, 24 mi away.

Topography around Provincetown

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

Within 2 miles, the terrain around Provincetown has only modest variations in elevation — a maximum elevation change of 102 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 184 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 846 ft.

The land around Provincetown is covered by water (40%) and trees (25%) within 2 miles, water (90%) within 10 miles, and water (72%) and trees (23%) within 50 miles.

2 miles
102 ft
10 miles
184 ft
50 miles
846 ft
treesgrasslandartificial surfacesbare terrainwaterwetland
August weather nearby: Yarmouth 24 mi · Duxbury 25 mi · Barnstable 25 mi · Hanover 32 mi · Rockland 38 mi · Middleborough 39 mi · Abington 39 mi · Weymouth 40 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 Provincetown (42.053°, -70.1864°, elevation 0 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).