August weather forecast
Norwell, MA

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Weather in August

August, the last month of the summer in Norwell, is also a moderately hot month, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 65.1°F (18.4°C).

Temperature

Norwell notes an average high-temperature of a still moderately hot 75.9°F (24.4°C) in August, hardly diverging from July. During August, an average low-temperature of 65.1°F (18.4°C) is observed in Norwell.

Humidity

The average relative humidity in August in Norwell is 78%.

Rainfall

In Norwell, in August, during 10.9 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, in Norwell, there are 119.1 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Norwell.

Daylight

In August, the average length of the day in Norwell, Massachusetts, is 13h and 50min.
On the first day of August in Norwell, sunrise is at 5:37 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:18 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 in Norwell. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 during August leads to these advisories:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What is the usual temperature for Norwell in August?

An average high-temperature, in August, in Norwell, is 75.9°F (24.4°C) and the average low-temperature is 65.1°F (18.4°C).

What is the average humidity in August in Norwell?

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

How many days does it rain in August in Norwell?

In Norwell, Massachusetts, during August, the rain falls for 10.9 days and regularly aggregates up to 0.91" (23mm) of precipitation.

When it does not snow in Norwell?

May through October are months without snowfall in Norwell.

How many hours of daylight does Norwell have in August?

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

What time are sunrise and sunset in August in Norwell?

On the first day of August, sunrise is at 5:37 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:18 pm EDT.

What month has the most sunshine in Norwell?

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

How long on average sun shines in August in Norwell?

The average sunshine duration in August in Norwell is 10.7h.

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

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

What is the UV index intensity in August in Norwell?

The average daily maximum UV index in August in Norwell is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Norwell, MA

Average temperature in August - Norwell, MA
  • Average high temperature in August: 75.9°F

The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in August: 65.1°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

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Average pressure in August
Norwell, MA

Average pressure in August - Norwell, 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
Norwell, MA

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

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

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Average humidity in August
Norwell, MA

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

The months with the highest relative humidity are June and July (79%).
The months with the lowest relative humidity are April and November (74%).

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Average rainfall in August
Norwell, MA

Average rainfall in August - Norwell, MA
  • Average rainfall in August: 0.91"

The wettest month (with the highest rainfall) is July (1.26").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in August
Norwell, MA

Average rainfall days in August - Norwell, MA
  • Average rainfall days in August: 10.9 days

The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is February (6.5 days).

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Average snowfall in August
Norwell, MA

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

The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Norwell, MA

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

The months with the highest number of snowfall days are January and February (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Norwell, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in August
Norwell, MA

Average sunshine days in August - Norwell, MA
  • Average sunshine days in August: 17.3 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (15.9 days).

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Average UV index in August
Norwell, MA

Average UV index in August - Norwell, 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
Norwell, MA

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

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in August
Norwell, MA

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

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