August weather forecast
Dennis Port, MA

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Weather in August

August, the last month of the summer in Dennis Port, is also an agreeable month, with an average temperature fluctuating between 72.1°F (22.3°C) and 68.5°F (20.3°C).

Temperature

August stands out as Dennis Port's warmest month, with an average high-temperature of 72.1°F (22.3°C) and a low-temperature of 68.5°F (20.3°C).

Humidity

In Dennis Port, the average relative humidity in August is 81%.

Rainfall

August is the month with the least rainfall. Rain falls for 11.2 days and accumulates 0.94" (24mm) of precipitation.

Snowfall

May through November are months without snowfall.

Daylight

The average length of the day in August is 13h and 48min.
On the first day of August, sunrise is at 5:35 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:15 pm EDT.

Sunshine

With an average of 10.8h of sunshine, August has the most sunshine of the year.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In August, the maximum UV index of 6 suggests these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What is the hottest time of year?

Dennis Port's August weather, with an average high temperature of 72.1°F (22.3°C) and an average low temperature of 68.5°F (20.3°C), tends to be the warmest of the year.

What is the average August temperature?

In August, the average high-temperature and low-temperature are 72.1°F (22.3°C) and 68.5°F (20.3°C) respectively.

What is the average humidity in August?

In August, the average relative humidity is 81%.

What is the driest month in Dennis Port?

August is the month with the least rainfall. Rain falls for 11.2 days and accumulates 0.94" (24mm) of precipitation.

How much does it rain in Dennis Port in August?

In Dennis Port, in August, during 11.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When it does not snow?

May through November are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 48min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:35 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:15 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.8h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August in Dennis Port is 10.8h.

What are the months with the highest UV index in Dennis Port?

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

What is the UV index reading in August?

In Dennis Port, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from 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
Dennis Port, MA

Average temperature in August - Dennis Port, MA
  • Average high temperature in August: 72.1°F

The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in August: 68.5°F

The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in August
Dennis Port, MA

Average pressure in August - Dennis Port, 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).

Average wind speed in August
Dennis Port, MA

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

The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).

Average humidity in August
Dennis Port, MA

Average humidity in August - Dennis Port, MA
  • Average humidity in August: 81%

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

Average rainfall in August
Dennis Port, MA

Average rainfall in August - Dennis Port, MA
  • Average rainfall in August: 0.94"

The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").

Average rainfall days in August
Dennis Port, MA

Average rainfall days in August - Dennis Port, MA
  • Average rainfall days in August: 11.2 days

The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in August
Dennis Port, MA

Average snowfall in August - Dennis Port, MA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in August
Dennis Port, MA

Average snowfall days in August - Dennis Port, MA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Dennis Port, MA

Average daylight in August / Average sunshine in August - Dennis Port, 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 5min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in August
Dennis Port, MA

Average sunshine days in August - Dennis Port, MA
  • Average sunshine days in August: 18.3 days

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).

Average UV index in August
Dennis Port, MA

Average UV index in August - Dennis Port, 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).

Average cloud cover in August
Dennis Port, MA

Average cloud cover in August - Dennis Port, MA
  • Average cloud cover in August: 27

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
Dennis Port, MA

Average visibility in August - Dennis Port, 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).

Dennis Port, Massachusetts, USA

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