August weather forecast
Oak Bluffs, MA

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Weather in August

August, the last month of the summer in Oak Bluffs, is a moderately hot month, with an average temperature ranging between max 73.8°F (23.2°C) and min 68.9°F (20.5°C).

Temperature

August is the month when Oak Bluffs's temperatures reach their peak, with averages of 73.8°F (23.2°C) and lows of 68.9°F (20.5°C).

Humidity

In Oak Bluffs, Massachusetts, the average relative humidity in August is 80%.

Rainfall

In Oak Bluffs, during August, the rain falls for 7 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 89.3 rainfall days, and 6.14" (156mm) of precipitation is accumulated.

Snowfall

In Oak Bluffs, snow does not fall in April through November.

Ocean temperature

With an average ocean temperature of 68.5°F (20.3°C), August is the month with the warmest seawater.
Note: Swimming in water at 68.5°F (20.3°C) is not a pleasing experience for the majority. As the temperature descends from 69.8°F (21°C) to 59°F (15°C), controlling breathing becomes increasingly hard.

Daylight

The average length of the day in August in Oak Bluffs is 13h and 47min.
On the first day of the month, sunrise is at 5:37 am and sunset at 7:59 pm. On the last day of August, sunrise is at 6:08 am and sunset at 7:16 pm EDT.

Sunshine

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

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index in Oak Bluffs. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, the UV index of 6 transforms into the following advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What month is the hottest in Oak Bluffs?

August registers as the month with the average highest temperatures in Oak Bluffs, Massachusetts, reaching 73.8°F (23.2°C) at its peak and 68.9°F (20.5°C) at the lowest.

What is the usual temperature for Oak Bluffs in August?

The high-temperature during August is 73.8°F (23.2°C) and the low-temperature is 68.9°F (20.5°C).

What is the average humidity in August in Oak Bluffs?

In Oak Bluffs, Massachusetts, the average relative humidity in August is 80%.

How much does it rain in Oak Bluffs in August?

In Oak Bluffs, in August, during 7 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

When it does not snow in Oak Bluffs?

In Oak Bluffs, snow does not fall in April through November.

What month is the ocean warmest in Oak Bluffs?

August is the month with the warmest seawater in Oak Bluffs, with an average ocean temperature of 68.5°F (20.3°C).

What is the ocean temperature in August in Oak Bluffs?

In August, the average ocean temperature in Oak Bluffs is 68.5°F (20.3°C). For swimming, a surface water temperature of 68.5°F (20.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Oak Bluffs have in August?

The average day length in August in Oak Bluffs is 13h and 47min.

When are sunrise and sunset in August in Oak Bluffs?

In August, on the first day of the month, sunrise is at 5:37 am and sunset at 7:59 pm. On the last day of the month, in Oak Bluffs, sunrise is at 6:08 am and sunset at 7:16 pm EDT.

What month has the most sunshine in Oak Bluffs?

August has the most sunshine of the year in Oak Bluffs, Massachusetts, with an average of 10.7h of sunshine.

How long on average sun shines in August in Oak Bluffs?

The average sunshine duration in August is 10.7h.

When is the highest UV index in Oak Bluffs?

July and August, with an average maximum UV index of 6, are months with the highest UV index in Oak Bluffs, Massachusetts.

What is the UV index intensity in August in Oak Bluffs?

In August, the average daily maximum UV index in Oak Bluffs is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Oak Bluffs, MA

Average temperature in August - Oak Bluffs, MA
  • Average high temperature in August: 73.8°F

The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in August: 68.9°F

The month with the highest average low temperature is August (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure in August
Oak Bluffs, MA

Average pressure in August - Oak Bluffs, 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
Oak Bluffs, MA

Average wind speed in August - Oak Bluffs, MA
  • Average wind speed in August: 10.8mph

The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.7mph).

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Average humidity in August
Oak Bluffs, MA

Average humidity in August - Oak Bluffs, MA
  • Average humidity in August: 80%

The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in August
Oak Bluffs, MA

Average rainfall in August - Oak Bluffs, MA
  • Average rainfall in August: 0.39"

The wettest month (with the highest rainfall) is October (0.83").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in August
Oak Bluffs, MA

Average rainfall days in August - Oak Bluffs, MA
  • Average rainfall days in August: 7 days

The month with the highest number of rainy days is July (9.1 days).
The months with the least rainy days are September and November (5.9 days).

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Average snowfall in August
Oak Bluffs, MA

Average snowfall in August - Oak Bluffs, MA
  • Average snowfall in August: 0"

The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Oak Bluffs, MA

Average snowfall days in August - Oak Bluffs, MA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.6 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
Oak Bluffs, MA

Average sea temperature in August - Oak Bluffs, MA
  • Average sea temperature in August: 68.5°F

The best month for swimming (with the highest average sea temperature) is August (68.5°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).

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Average daylight in August /
Average sunshine in August
Oak Bluffs, MA

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

The month with the longest days is June (Average daylight: 15h and 6min).
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 February (Average sunshine: 4h and 36min).

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Average sunshine days in August
Oak Bluffs, MA

Average sunshine days in August - Oak Bluffs, MA
  • Average sunshine days in August: 21.3 days

The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is February (18.5 days).

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Average UV index in August
Oak Bluffs, MA

Average UV index in August - Oak Bluffs, MA
  • Average UV index in August: 6

The months with the highest UV index are July and August (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
Oak Bluffs, MA

Average cloud cover in August - Oak Bluffs, MA
  • Average cloud cover in August: 28

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in August
Oak Bluffs, MA

Average visibility in August - Oak Bluffs, 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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Oak Bluffs, Massachusetts, USA

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