August weather forecast
Walpole, MA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Walpole, Massachusetts, with an average temperature ranging between min 62.8°F (17.1°C) and max 81°F (27.2°C).

Temperature

The average high-temperature during August is a still moderately hot 81°F (27.2°C), almost matching the conditions of the preceding month. During August, Walpole experiences a consistent low-temperature average of 62.8°F (17.1°C).

Heat index

August's mean heat index is evaluated at a hot 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In August, the average relative humidity is 75%.

Rainfall

In August, the rain falls for 8.8 days. Throughout August, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 97.1 rainfall days, and 7.13" (181mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Walpole.

Daylight

In Walpole, the average length of the day in August is 13h and 50min.
On the first day of the month, sunrise is at 5:38 am and sunset at 8:03 pm. On the last day of August, in Walpole, sunrise is at 6:10 am and sunset at 7:20 pm EDT.

Sunshine

With an average of 10.5h 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 of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What is the temperature in August in Walpole?

In Walpole, in August, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 62.8°F (17.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 86°F (30°C).

What is the average humidity in August in Walpole?

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

How many days does it rain in August in Walpole?

In Walpole, during August, the rain falls for 8.8 days and regularly aggregates up to 0.55" (14mm) of precipitation.

When it does not snow in Walpole?

June through October are months without snowfall.

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

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

When is the sunrise / sunset in August in Walpole?

In August, on the first day of the month, sunrise is at 5:38 am and sunset at 8:03 pm. On the last day of the month, in Walpole, sunrise is at 6:10 am and sunset at 7:20 pm EDT.

What month has the most sunshine in Walpole?

The month with the most sunshine is August, with an average of 10.5h of sunshine.

How long on average sun shines in August in Walpole?

In August, the average sunshine duration in Walpole is 10.5h.

When is the highest UV index in Walpole?

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

How high is the UV index in August in Walpole?

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

Average temperature in August - Walpole, 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 (34.3°F).

  • Average low temperature in August: 62.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in August
Walpole, MA

Average pressure in August - Walpole, 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
Walpole, MA

Average wind speed in August - Walpole, 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).

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Average humidity in August
Walpole, MA

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

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in August
Walpole, MA

Average rainfall in August - Walpole, MA
  • Average rainfall in August: 0.55"

The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").

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Average rainfall days in August
Walpole, MA

Average rainfall days in August - Walpole, MA
  • Average rainfall days in August: 8.8 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in August
Walpole, MA

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

The months with the highest snowfall are March and December (0.91").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Walpole, MA

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

The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Walpole, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
Walpole, MA

Average sunshine days in August - Walpole, MA
  • Average sunshine days in August: 19.8 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (16.8 days).

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Average UV index in August
Walpole, MA

Average UV index in August - Walpole, 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
Walpole, MA

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

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
Walpole, MA

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

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