August weather forecast
West Yarmouth, MA

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Weather in August

August, the last month of the summer in West Yarmouth, is another pleasant month, with an average temperature ranging between max 72.1°F (22.3°C) and min 68.5°F (20.3°C).

Temperature

West Yarmouth, Massachusetts, experiences its highest average temperatures in August, reaching a peak of 72.1°F (22.3°C) and a minimum of 68.5°F (20.3°C).

Humidity

In August, the average relative humidity 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 5:36 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

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 risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

West Yarmouth's temperature records reveal August as the warmest month, marked by average highs of 72.1°F (22.3°C) and lows of 68.5°F (20.3°C).

What is the average August temperature?

The high-temperature in West Yarmouth, Massachusetts, during August is 72.1°F (22.3°C) and the low-temperature is 68.5°F (20.3°C).

What is the average humidity in August?

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

What is the driest month?

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

How many days does it rain in August?

In West Yarmouth, 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.

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

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

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:36 am and sunset at 7:58 pm. On the last day of the month, in West Yarmouth, sunrise is at 6:06 am and sunset at 7:15 pm EDT.

What month has the most sunshine?

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

How long on average sun shines in August?

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

When is the highest UV index?

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?

In West Yarmouth, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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 Yarmouth, MA

Average temperature in August - West Yarmouth, 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
West Yarmouth, MA

Average pressure in August - West Yarmouth, 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
West Yarmouth, MA

Average wind speed in August - West Yarmouth, 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
West Yarmouth, MA

Average humidity in August - West Yarmouth, 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
West Yarmouth, MA

Average rainfall in August - West Yarmouth, 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
West Yarmouth, MA

Average rainfall days in August - West Yarmouth, 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
West Yarmouth, MA

Average snowfall in August - West Yarmouth, 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
West Yarmouth, MA

Average snowfall days in August - West Yarmouth, 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
West Yarmouth, MA

Average daylight in August / Average sunshine in August - West Yarmouth, 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 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
West Yarmouth, MA

Average sunshine days in August - West Yarmouth, 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
West Yarmouth, MA

Average UV index in August - West Yarmouth, 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
West Yarmouth, MA

Average cloud cover in August - West Yarmouth, 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
West Yarmouth, MA

Average visibility in August - West Yarmouth, 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).

West Yarmouth, Massachusetts, USA

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