August weather forecast
West Dennis, MA

Share

Weather in August

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

Temperature

August tends to be the warmest month, with temperatures averaging a daily high of 72.1°F (22.3°C) and a low of 68.5°F (20.3°C).

Humidity

The average relative humidity in August is 81%.

Rainfall

The month with the least rainfall is August, when the rain falls for 11.2 days and typically collects 0.94" (24mm) of precipitation.

Snowfall

May through November are months without snowfall.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 67.5°F (19.7°C).
Note: The majority of individuals find it unpleasurable to swim in 67.5°F (19.7°C). It becomes progressively harder to manage one's breathing as the water temperature falls below 69.8°F (21°C).

Daylight

The average length of the day in August is 13h and 48min.
On the first day of August in West Dennis, 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

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

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In August, an average UV index of 6 transforms into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
[Resources]

Frequently asked questions

What month is the hottest in West Dennis?

August, noted for its average high-temperature of 72.1°F (22.3°C) and an average low-temperature of 68.5°F (20.3°C), is considered the warmest month in West Dennis.

What is the average August temperature in West Dennis?

The average high-temperature and low-temperature in West Dennis during August are 72.1°F (22.3°C) and 68.5°F (20.3°C) respectively.

What is the average humidity in August in West Dennis?

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

What is the driest month in West Dennis?

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

How many days does it rain in August in West Dennis?

In West Dennis, during August, the rain falls for 11.2 days and regularly aggregates up to 0.94" (24mm) of precipitation.

When it does not snow in West Dennis?

In West Dennis, Massachusetts, snow does not fall in May through November.

When is the ocean warmest in West Dennis?

The month with the warmest seawater is August, with an average ocean temperature of 67.5°F (19.7°C).

What is the ocean temperature in August in West Dennis?

In August, the average ocean temperature in West Dennis, Massachusetts, is 67.5°F (19.7°C). For most, swimming in 67.5°F (19.7°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

How many hours of daylight does West Dennis have in August?

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

When are sunrise and sunset in August in West Dennis?

In August, on the first day of the month, 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 in West Dennis?

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

How many hours of sunshine does West Dennis have in August?

In West Dennis, Massachusetts, the average sunshine duration in August is 10.8h.

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

The months with the highest UV index in West Dennis, Massachusetts, are July and August, with an average maximum UV index of 6.

What is the UV index intensity in August in West Dennis?

In West Dennis, Massachusetts, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
West Dennis, MA

Average temperature in August - West Dennis, 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).

[Resources]

Average pressure in August
West Dennis, MA

Average pressure in August - West Dennis, 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).

[Resources]

Average wind speed in August
West Dennis, MA

Average wind speed in August - West Dennis, 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).

[Resources]

Average humidity in August
West Dennis, MA

Average humidity in August - West Dennis, 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%).

[Resources]

Average rainfall in August
West Dennis, MA

Average rainfall in August - West Dennis, 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").

[Resources]

Average rainfall days in August
West Dennis, MA

Average rainfall days in August - West Dennis, 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).

[Resources]

Average snowfall in August
West Dennis, MA

Average snowfall in August - West Dennis, 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").

[Resources]

Average snowfall days in August
West Dennis, MA

Average snowfall days in August - West Dennis, 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).

[Resources]

Average sea temperature in August
West Dennis, MA

Average sea temperature in August - West Dennis, MA
  • Average sea temperature in August: 67.5°F

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

[Resources]

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

Average daylight in August / Average sunshine in August - West Dennis, 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).

[Resources]

Average sunshine days in August
West Dennis, MA

Average sunshine days in August - West Dennis, 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).

[Resources]

Average UV index in August
West Dennis, MA

Average UV index in August - West Dennis, 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).

[Resources]

Average cloud cover in August
West Dennis, MA

Average cloud cover in August - West Dennis, 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).

[Resources]

Average visibility in August
West Dennis, MA

Average visibility in August - West Dennis, 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).

[Resources]

West Dennis, Massachusetts, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location