August weather forecast
Chilmark, MA

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Weather in August

The last month of the summer, August, is a moderately hot month in Chilmark, Massachusetts, with an average temperature fluctuating between 69.4°F (20.8°C) and 73.9°F (23.3°C).

Temperature

August stands out as Chilmark's warmest month, with an average high-temperature of 73.9°F (23.3°C) and a low-temperature of 69.4°F (20.8°C).

Humidity

In August, the average relative humidity is 80%.

Rainfall

August and November are months with the least rain when the rain falls for 13.3 days and typically aggregates up to 1.73" (44mm) of rain.

Snowfall

In Chilmark, snow does not fall in April through November.

Daylight

The average length of the day in August in Chilmark is 13h and 47min.
On the first day of August, sunrise is at 5:38 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:17 pm EDT.

Sunshine

The month with the most sunshine 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. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What month is the hottest?

The warmest temperatures occur during August, when averages reach a peak of 73.9°F (23.3°C) and a low of 69.4°F (20.8°C).

What is the average August temperature?

The average high-temperature and low-temperature during August are 73.9°F (23.3°C) and 69.4°F (20.8°C) respectively.

What is the average humidity in August?

The average relative humidity in August is 80%.

What is the driest month?

The months with the least rainfall are August and November Rain falls for 13.3 days and accumulates 1.73" (44mm) of rain.

How many days does it rain in August?

In Chilmark, in August, it is raining for 13.3 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow?

In Chilmark, snow does not fall in April through November.

How many hours of daylight does Chilmark have in August?

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

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:38 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:17 pm EDT.

What month has the most sunshine?

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

How many hours of sunshine does Chilmark have in August?

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

What is the month with the highest UV index in Chilmark?

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

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes 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
Chilmark, MA

Average temperature in August - Chilmark, MA
  • Average high temperature in August: 73.9°F

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in August: 69.4°F

The month with the highest average low temperature is August (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in August
Chilmark, MA

Average pressure in August - Chilmark, 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 (29.94"Hg).

Average wind speed in August
Chilmark, MA

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

The windiest month (with the highest average wind speed) is January (16.2mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).

Average humidity in August
Chilmark, MA

Average humidity in August - Chilmark, 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%).

Average rainfall in August
Chilmark, MA

Average rainfall in August - Chilmark, MA
  • Average rainfall in August: 1.73"

The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are August and November (1.73").

Average rainfall days in August
Chilmark, MA

Average rainfall days in August - Chilmark, MA
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in August
Chilmark, MA

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

The month with the highest snowfall is March (1.18").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in August
Chilmark, MA

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

The month with the highest number of snowfall days is January (5.3 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
Chilmark, MA

Average daylight in August / Average sunshine in August - Chilmark, 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 42min).

Average sunshine days in August
Chilmark, MA

Average sunshine days in August - Chilmark, MA
  • Average sunshine days in August: 15.9 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is April (13.5 days).

Average UV index in August
Chilmark, MA

Average UV index in August - Chilmark, 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
Chilmark, MA

Average cloud cover in August - Chilmark, MA
  • Average cloud cover in August: 27

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
Chilmark, MA

Average visibility in August - Chilmark, 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).

Chilmark, Massachusetts, USA

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