August weather forecast
Wrentham, MA

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Weather in August

August, the last month of the summer in Wrentham, is also a moderately hot month, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 81°F (27.2°C).

Temperature

During August, Wrentham observes a subtle ascent to a still warm 81°F (27.2°C) from July's 82°F (27.8°C) in the average high-temperature. Throughout August, Wrentham anticipates an average low-temperature of 62.1°F (16.7°C).

Heat index

For August, the heat index is computed to be a hot 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In August, the average relative humidity is 76%.

Rainfall

In Wrentham, Massachusetts, in August, during 10.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Wrentham, during the entire year, the rain falls for 116.7 days and collects up to 10.91" (277mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 50min.
On the first day of August, sunrise is at 5:39 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:20 pm EDT.

Sunshine

With an average of 10.2h 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 risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 6 in August translates into this advice:
Elude overexposure. Fair-skinned people could get burnt in less than 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. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Wrentham in August?

The high-temperature during August is 81°F (27.2°C) and the low-temperature is 62.1°F (16.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 86°F (30°C).

What is the average humidity in August?

In Wrentham, the average relative humidity in August is 76%.

How much does it rain in August?

In Wrentham, in August, during 10.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow?

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

How many hours of daylight does Wrentham have in August?

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

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 5:39 am and sunset at 8:03 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?

With an average of 10.2h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August?

The average sunshine duration in August is 10.2h.

What is the month with 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 intensity in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Wrentham, MA

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

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in August
Wrentham, MA

Average pressure in August - Wrentham, 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).

Average wind speed in August
Wrentham, MA

Average wind speed in August - Wrentham, MA
  • Average wind speed in August: 5.8mph

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in August
Wrentham, MA

Average humidity in August - Wrentham, MA
  • Average humidity in August: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

Average rainfall in August
Wrentham, MA

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

The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.55").

Average rainfall days in August
Wrentham, MA

Average rainfall days in August - Wrentham, MA
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in August
Wrentham, MA

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

The month with the highest snowfall is March (1.61").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Wrentham, MA

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

The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Wrentham, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in August
Wrentham, MA

Average sunshine days in August - Wrentham, MA
  • Average sunshine days in August: 17.4 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (14.6 days).

Average UV index in August
Wrentham, MA

Average UV index in August - Wrentham, 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
Wrentham, MA

Average cloud cover in August - Wrentham, MA
  • Average cloud cover in August: 35

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in August
Wrentham, MA

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

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

Wrentham, Massachusetts, USA

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