August weather forecast
Provincetown, MA

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Residential homes along the scenic shores of Provincetown in Cape Cod, Massachusetts
Residential homes along the scenic shores of Provincetown in Cape Cod, Massachusetts

Weather in August

In August, Provincetown, Massachusetts experiences a slight dip in temperatures from the July peak to a more manageable 71.8°F (22.1°C). The humidity, while still high, sees a small decrease, making the weather a tad more comfortable. Rainfall is less than what July witnessed, keeping a balance between pleasant and damp. August also offers high daylight exposure, despite a slight reduction in comparison to July. The sea remains warm, inviting residents, and tourists alike to indulge in water activities.

Temperature

The average temperatures in Provincetown, Massachusetts, reach their apex in August, averaging 71.8°F (22.1°C) at the high end and 66.7°F (19.3°C) at the low end.

Humidity

The average relative humidity in August in Provincetown is 82%.

Rainfall

In August, in Provincetown, the rain falls for 14.8 days. Throughout August, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 157.1 rainfall days, and 32.17" (817mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Ocean temperature

With an average ocean temperature of 67.6°F (19.8°C), August is the month with the warmest seawater.
Note: The enjoyment of swimming decreases for most when the surface water temperature is 67.6°F (19.8°C). Breathing control becomes increasingly challenging as temperatures descend below 69.8°F (21°C).

Daylight

In Provincetown, the average length of the day in August is 13h and 50min.
On the first day of the month, sunrise is at 5:34 am and sunset at 7:59 pm. On the last day of August, in Provincetown, sunrise is at 6:05 am and sunset at 7:15 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.7h of sunshine.

UV index

In Provincetown, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the warmest month in Provincetown?

August is the month when Provincetown, Massachusetts, sees the average highest temperatures, with a high of 71.8°F (22.1°C) and a low of 66.7°F (19.3°C).

What is the average August temperature in Provincetown?

The average high-temperature and low-temperature in Provincetown, Massachusetts, during August are 71.8°F (22.1°C) and 66.7°F (19.3°C) respectively.

What is the average humidity in August in Provincetown?

In August, the average relative humidity in Provincetown, Massachusetts, is 82%.

How much does it rain in Provincetown in August?

In Provincetown, Massachusetts, in August, it is raining for 14.8 days, with typically 2.52" (64mm) of accumulated precipitation.

When it does not snow in Provincetown?

May through October are months without snowfall in Provincetown.

What is the month with the warmest ocean in Provincetown?

The month with the warmest seawater in Provincetown is August, with an average ocean temperature of 67.6°F (19.8°C).

What is the ocean temperature in August in Provincetown?

In Provincetown, the average seawater temperature in August is 67.6°F (19.8°C). Swimming in 67.6°F (19.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in August in Provincetown?

In Provincetown, the average day length in August is 13h and 50min.

What time are sunrise and sunset in August in Provincetown?

In August, on the first day of the month, sunrise is at 5:34 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:15 pm EDT.

What month has the most sunshine in Provincetown?

The month with the most sunshine in Provincetown, Massachusetts, is August, with an average of 10.7h of sunshine.

How many hours of sunshine does Provincetown have in August?

In Provincetown, Massachusetts, the average sunshine duration in August is 10.7h.

What is the UV index reading in August in Provincetown?

In Provincetown, Massachusetts, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Provincetown, MA

Average temperature in August - Provincetown, MA
  • Average high temperature in August: 71.8°F

The warmest month (with the highest average high temperature) is August (71.8°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in August
Provincetown, MA

Average pressure in August - Provincetown, MA
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Provincetown, MA

Average wind speed in August - Provincetown, MA
  • Average wind speed in August: 10.9mph

The windiest month (with the highest average wind speed) is January (17.8mph).
The calmest month (with the lowest average wind speed) is August (10.9mph).

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Average humidity in August
Provincetown, MA

Average humidity in August - Provincetown, MA
  • Average humidity in August: 82%

The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in August
Provincetown, MA

Average rainfall in August - Provincetown, MA
  • Average rainfall in August: 2.52"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in August
Provincetown, MA

Average rainfall days in August - Provincetown, MA
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (8.6 days).

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Average snowfall in August
Provincetown, MA

Average snowfall in August - Provincetown, MA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Provincetown, MA

Average snowfall days in August - Provincetown, MA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in August
Provincetown, MA

Average sea temperature in August - Provincetown, MA
  • Average sea temperature in August: 67.6°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

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Average daylight in August /
Average sunshine in August
Provincetown, MA

Average daylight in August / Average sunshine in August - Provincetown, MA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

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Average sunshine days in August
Provincetown, MA

Average sunshine days in August - Provincetown, MA
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is July (12.6 days).

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Average UV index in August
Provincetown, MA

Average UV index in August - Provincetown, MA
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in August
Provincetown, MA

Average cloud cover in August - Provincetown, MA
  • Average cloud cover in August: 28

The month with the most cloud cover is December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in August
Provincetown, MA

Average visibility in August - Provincetown, MA
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Provincetown, Massachusetts, USA

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