August weather forecast
West Falmouth, MA

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Weather in August

The last month of the summer, August, is also a moderately hot month in West Falmouth, Massachusetts, with an average temperature ranging between min 68.2°F (20.1°C) and max 74.5°F (23.6°C).

Temperature

During the warmest month, August, temperatures average a high of 74.5°F (23.6°C) and a low of 68.2°F (20.1°C).

Humidity

In West Falmouth, the average relative humidity in August is 80%.

Rainfall

The months with the least rainfall are August and September Rain falls for 12.6 days and accumulates 1.85" (47mm) of rain.

Snowfall

May through September are months without snowfall in West Falmouth.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 68.5°F (20.3°C).
Note: In water with a temperature of 68.5°F (20.3°C), most individuals do not find swimming enjoyable. As the temperature falls from 69.8°F (21°C) to 59°F (15°C), breathing control becomes more difficult.

Daylight

The average length of the day in August in West Falmouth is 13h and 48min.
On the first day of August in West Falmouth, sunrise is at 5:37 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:16 pm EDT.

Sunshine

With an average of 10.6h of sunshine, August has the most sunshine of the year in West Falmouth.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index in West Falmouth. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during August leads to these instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the warmest month in West Falmouth?

August brings the highest temperatures, with an average high of 74.5°F (23.6°C) and an average low of 68.2°F (20.1°C).

What is the temperature in August in West Falmouth?

The average high-temperature, in August, in West Falmouth, is 74.5°F (23.6°C), while the average low-temperature is 68.2°F (20.1°C).

What is the average humidity in August in West Falmouth?

In West Falmouth, Massachusetts, the average relative humidity in August is 80%.

What is the driest month in West Falmouth?

August and September are months with the least rain in West Falmouth when the rain falls for 12.6 days and typically aggregates up to 1.85" (47mm) of rain.

How much does it rain in West Falmouth in August?

In West Falmouth, Massachusetts, during August, the rain falls for 12.6 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When it does not snow in West Falmouth?

In West Falmouth, snow does not fall in May through September.

When is the ocean warmest in West Falmouth?

The month with the warmest seawater in West Falmouth, Massachusetts, is August, with an average ocean temperature of 68.5°F (20.3°C).

How cold is the water in August in West Falmouth?

In August, the average ocean temperature 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).

What is the average length of the day in August in West Falmouth?

The average day length in August in West Falmouth is 13h and 48min.

When is the sunrise / sunset in August in West Falmouth?

On the first day of August in West Falmouth, Massachusetts, sunrise is at 5:37 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:16 pm EDT.

What month has the most sunshine in West Falmouth?

August has the most sunshine of the year, with an average of 10.6h of sunshine.

How long on average sun shines in August in West Falmouth?

In August, the average sunshine duration in West Falmouth, Massachusetts, is 10.6h.

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

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

How high is the UV index in August in West Falmouth?

The average daily maximum UV index in August in West Falmouth, Massachusetts, is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
West Falmouth, MA

Average temperature in August - West Falmouth, MA
  • Average high temperature in August: 74.5°F

The warmest month (with the highest average high temperature) is August (74.5°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in August: 68.2°F

The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure in August
West Falmouth, MA

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

Average wind speed in August - West Falmouth, MA
  • Average wind speed in August: 9.9mph

The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (9.9mph).

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Average humidity in August
West Falmouth, MA

Average humidity in August - West Falmouth, MA
  • Average humidity in August: 80%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in August
West Falmouth, MA

Average rainfall in August - West Falmouth, MA
  • Average rainfall in August: 1.85"

The wettest month (with the highest rainfall) is December (3.7").
The driest months (with the least rainfall) are August and September (1.85").

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Average rainfall days in August
West Falmouth, MA

Average rainfall days in August - West Falmouth, MA
  • Average rainfall days in August: 12.6 days

The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in August
West Falmouth, MA

Average snowfall in August - West Falmouth, MA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.24").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
West Falmouth, MA

Average snowfall days in August - West Falmouth, MA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in August
West Falmouth, MA

Average sea temperature in August - West Falmouth, MA
  • Average sea temperature in August: 68.4°F

The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).

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

Average daylight in August / Average sunshine in August - West Falmouth, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
West Falmouth, MA

Average sunshine days in August - West Falmouth, MA
  • Average sunshine days in August: 16.4 days

The month with the most sunshine days is August (16.4 days).
The month with the least sunshine days is April (12.3 days).

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Average UV index in August
West Falmouth, MA

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

Average cloud cover in August - West Falmouth, MA
  • Average cloud cover in August: 28

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in August
West Falmouth, MA

Average visibility in August - West Falmouth, 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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West Falmouth, Massachusetts, USA

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