August weather forecast
Fairhaven, MA

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Weather in August

August, the last month of the summer in Fairhaven, is also a moderately hot month, with an average temperature fluctuating between 65.8°F (18.8°C) and 78.3°F (25.7°C).

Temperature

During August, Fairhaven observes a subtle ascent to a still warm 78.3°F (25.7°C) from July's 78.4°F (25.8°C) in the average high-temperature. Fairhaven records a consistent low-temperature of 65.8°F (18.8°C) during August nights.

Humidity

In Fairhaven, the average relative humidity in August is 78%.

Rainfall

In Fairhaven, during August, the rain falls for 12.1 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Fairhaven, during the entire year, the rain falls for 133.2 days and collects up to 17.2" (437mm) of precipitation.

Snowfall

In Fairhaven, Massachusetts, snow does not fall in May through October.

Ocean temperature

August is the month with the warmest seawater, with an average ocean temperature of 68.5°F (20.3°C).
Note: Swimming in 68.5°F (20.3°C) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Fairhaven, the average length of the day in August is 13h and 48min.
On the first day of August, sunrise is at 5:38 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:18 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Fairhaven, Massachusetts, are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the usual temperature for Fairhaven in August?

An average high-temperature, in August, in Fairhaven, is 78.3°F (25.7°C) and the average low-temperature is 65.8°F (18.8°C).

What is the average humidity in August in Fairhaven?

The average relative humidity in August in Fairhaven, Massachusetts, is 78%.

How many days does it rain in August in Fairhaven?

In Fairhaven, in August, it is raining for 12.1 days, with typically 1.34" (34mm) of accumulated precipitation.

When it does not snow in Fairhaven?

May through October are months without snowfall.

When is the ocean warmest in Fairhaven?

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

What is the ocean temperature in August in Fairhaven?

In Fairhaven, in August, the average water temperature is 68.5°F (20.3°C). For most, swimming in 68.5°F (20.3°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).

What is the average length of the day in August in Fairhaven?

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

When is the sunrise / sunset in August in Fairhaven?

On the first day of August in Fairhaven, sunrise is at 5:38 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:18 pm EDT.

What month has the most sunshine in Fairhaven?

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

How long on average sun shines in August in Fairhaven?

The average sunshine duration in August in Fairhaven, Massachusetts, is 10.6h.

What are the months with the highest UV index in Fairhaven?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in August in Fairhaven?

The average daily maximum UV index in August is 6. A UV Index 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
Fairhaven, MA

Average temperature in August - Fairhaven, MA
  • Average high temperature in August: 78.3°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in August
Fairhaven, MA

Average pressure in August - Fairhaven, MA
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Fairhaven, MA

Average wind speed in August - Fairhaven, MA
  • Average wind speed in August: 8mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (8mph).

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Average humidity in August
Fairhaven, MA

Average humidity in August - Fairhaven, MA
  • Average humidity in August: 78%

The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March, April and November (74%).

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Average rainfall in August
Fairhaven, MA

Average rainfall in August - Fairhaven, MA
  • Average rainfall in August: 1.34"

The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is September (1.06").

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Average rainfall days in August
Fairhaven, MA

Average rainfall days in August - Fairhaven, MA
  • Average rainfall days in August: 12.1 days

The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in August
Fairhaven, MA

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

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Fairhaven, MA

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

The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in August
Fairhaven, MA

Average sea temperature in August - Fairhaven, 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
Fairhaven, MA

Average daylight in August / Average sunshine in August - Fairhaven, 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 48min).

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Average sunshine days in August
Fairhaven, MA

Average sunshine days in August - Fairhaven, MA
  • Average sunshine days in August: 16.1 days

The months with the most sunshine days are November and December (18.3 days).
The month with the least sunshine days is April (14.4 days).

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Average UV index in August
Fairhaven, MA

Average UV index in August - Fairhaven, MA
  • Average UV index in August: 6

The months with the highest UV index are June, 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
Fairhaven, MA

Average cloud cover in August - Fairhaven, MA
  • Average cloud cover in August: 28

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in August
Fairhaven, MA

Average visibility in August - Fairhaven, 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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Fairhaven, Massachusetts, USA

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