August weather forecast
Sherborn, MA

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Weather in August

The last month of the summer, August, is another warm month in Sherborn, Massachusetts, with an average temperature varying between 61.9°F (16.6°C) and 81°F (27.2°C).

Temperature

August's advent presents an average high-temperature of a still warm 81°F (27.2°C), indicating a slight variation from the conditions of the previous month. Throughout August, Sherborn experiences a low-temperature average of 61.9°F (16.6°C).

Heat index

The heat index value during August is appraised at a hot 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

In Sherborn, the average relative humidity in August is 75%.

Rainfall

In August, in Sherborn, Massachusetts, the rain falls for 15.2 days. Throughout August, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 157.5 rainfall days, and 29.53" (750mm) of precipitation is accumulated.

Snowfall

In Sherborn, snow does not fall in June through September.

Daylight

The average length of the day in August is 13h and 50min.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:04 pm. On the last day of August, sunrise is at 6:10 am and sunset at 7:20 pm EDT.

Sunshine

With an average of 10.4h of sunshine, August has the most sunshine of the year.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 6 in August translates into this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What are August temperatures in Sherborn?

In August, the average high-temperature and low-temperature in Sherborn are 81°F (27.2°C) and 61.9°F (16.6°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in August in Sherborn?

In Sherborn, the average relative humidity in August is 75%.

How many days does it rain in August in Sherborn?

In Sherborn, Massachusetts, in August, it is raining for 15.2 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in Sherborn?

In Sherborn, Massachusetts, snow does not fall in June through September.

How many hours of daylight does Sherborn have in August?

In Sherborn, Massachusetts, the average day length in August is 13h and 50min.

What time are sunrise and sunset in August in Sherborn?

On the first day of August in Sherborn, Massachusetts, sunrise is at 5:39 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:20 pm EDT.

What month has the most sunshine in Sherborn?

The month with the most sunshine is August, with an average of 10.4h of sunshine.

How long on average sun shines in August in Sherborn?

In Sherborn, Massachusetts, the average sunshine duration in August is 10.4h.

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

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

What is the UV index intensity in August in Sherborn?

In Sherborn, Massachusetts, the average daily maximum UV index in August is 6. A UV Index value 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
Sherborn, MA

Average temperature in August - Sherborn, MA
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in August: 61.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in August
Sherborn, MA

Average pressure in August - Sherborn, 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
Sherborn, MA

Average wind speed in August - Sherborn, MA
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in August
Sherborn, MA

Average humidity in August - Sherborn, MA
  • Average humidity in August: 75%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in August
Sherborn, MA

Average rainfall in August - Sherborn, MA
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is April (2.87").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in August
Sherborn, MA

Average rainfall days in August - Sherborn, MA
  • Average rainfall days in August: 15.2 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in August
Sherborn, MA

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

The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Sherborn, MA

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

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Sherborn, MA

Average daylight in August / Average sunshine in August - Sherborn, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
Sherborn, MA

Average sunshine days in August - Sherborn, MA
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (11 days).

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Average UV index in August
Sherborn, MA

Average UV index in August - Sherborn, 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
Sherborn, MA

Average cloud cover in August - Sherborn, MA
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
Sherborn, MA

Average visibility in August - Sherborn, MA
  • Average visibility in August: 5mi

The months with the highest visibility are January, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are February, August and September (5mi).

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Sherborn, Massachusetts, USA

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