August weather forecast
West Groton, MA

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Weather in August

The last month of the summer, August, is also a moderately hot month in West Groton, Massachusetts, with an average temperature ranging between max 80.2°F (26.8°C) and min 60.4°F (15.8°C).

Temperature

The advent of August brings an average high-temperature of a still moderately hot 80.2°F (26.8°C), exhibiting minor difference from the previous month. The average low-temperature, in August, is a moderate 60.4°F (15.8°C).

Humidity

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

Rainfall

In West Groton, Massachusetts, during August, the rain falls for 13.2 days and regularly aggregates up to 1.81" (46mm) of precipitation. In West Groton, during the entire year, the rain falls for 142.2 days and collects up to 26.97" (685mm) of precipitation.

Snowfall

In West Groton, snow does not fall in June through September.

Daylight

In August, the average length of the day is 13h and 52min.
On the first day of August in West Groton, sunrise is at 5:39 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:22 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.3h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for West Groton in August?

August temperatures vary between a high-temperature of 80.2°F (26.8°C) and a low-temperature of 60.4°F (15.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is computed to be 87.8°F (31°C).

What is the average humidity in August in West Groton?

In August, the average relative humidity is 75%.

How much does it rain in August?

In West Groton, in August, during 13.2 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

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

The average day length in August is 13h and 52min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:39 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:22 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.3h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 10.3h.

When is the highest UV index?

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

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's 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 Groton, MA

Average temperature in August - West Groton, MA
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in August
West Groton, MA

Average pressure in August - West Groton, MA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
West Groton, MA

Average wind speed in August - West Groton, MA
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
West Groton, MA

Average humidity in August - West Groton, MA
  • Average humidity in August: 75%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

Average rainfall in August
West Groton, MA

Average rainfall in August - West Groton, MA
  • Average rainfall in August: 1.81"

The wettest month (with the highest rainfall) is December (2.8").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in August
West Groton, MA

Average rainfall days in August - West Groton, MA
  • Average rainfall days in August: 13.2 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (7.7 days).

Average snowfall in August
West Groton, MA

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

The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
West Groton, MA

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

The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - West Groton, MA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in August
West Groton, MA

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

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (13.5 days).

Average UV index in August
West Groton, MA

Average UV index in August - West Groton, 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).

Average cloud cover in August
West Groton, MA

Average cloud cover in August - West Groton, MA
  • Average cloud cover in August: 34

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in August
West Groton, MA

Average visibility in August - West Groton, MA
  • Average visibility in August: 5mi

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

West Groton, Massachusetts, USA

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