August weather forecast
Randolph, MA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Randolph, Massachusetts, with an average temperature varying between 80.4°F (26.9°C) and 63.1°F (17.3°C).

Temperature

Randolph starts August with an average high-temperature of a still warm 80.4°F (26.9°C), a minor shift from July's 81.3°F (27.4°C). Throughout August, Randolph encounters an average temperature drop to a comfortable 63.1°F (17.3°C).

Humidity

The average relative humidity in August is 74%.

Rainfall

In Randolph, during August, the rain falls for 13.6 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Randolph, during the entire year, the rain falls for 147.4 days and collects up to 28.39" (721mm) of precipitation.

Snowfall

In Randolph, snow does not fall in May 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 5:38 am and sunset at 8:02 pm. On the last day of August, in Randolph, Massachusetts, sunrise is at 6:09 am and sunset at 7:19 pm EDT.

Sunshine

With an average of 10.5h of sunshine, August has the most sunshine of the year in Randolph.

UV index

The months with the highest UV index in Randolph are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What is the average August temperature in Randolph?

In August, the average high-temperature and low-temperature in Randolph, Massachusetts, are 80.4°F (26.9°C) and 63.1°F (17.3°C) respectively. In July, 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, is estimated at 86°F (30°C).

What is the average humidity in August in Randolph?

In August, the average relative humidity in Randolph is 74%.

How much does it rain in Randolph in August?

In Randolph, Massachusetts, in August, during 13.6 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow in Randolph?

May through September are months without snowfall in Randolph, Massachusetts.

How many hours of daylight does Randolph have in August?

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

What time are sunrise and sunset in August in Randolph?

In August, on the first day of the month, sunrise is at 5:38 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:19 pm EDT.

What month has the most sunshine in Randolph?

August has the most sunshine of the year in Randolph, with an average of 10.5h of sunshine.

How long on average sun shines in August in Randolph?

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

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

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

How high is the UV index in August in Randolph?

In Randolph, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Randolph, MA

Average temperature in August - Randolph, MA
  • Average high temperature in August: 80.4°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in August
Randolph, MA

Average pressure in August - Randolph, 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
Randolph, MA

Average wind speed in August - Randolph, MA
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in August
Randolph, MA

Average humidity in August - Randolph, MA
  • Average humidity in August: 74%

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
Randolph, MA

Average rainfall in August - Randolph, MA
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in August
Randolph, MA

Average rainfall days in August - Randolph, MA
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is July (15.8 days).
The months with the least rainy days are January and February (7.8 days).

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Average snowfall in August
Randolph, MA

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

The month with the highest snowfall is March (5.24").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Randolph, MA

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

The month with the highest number of snowfall days is February (8.2 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
Randolph, MA

Average daylight in August / Average sunshine in August - Randolph, 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
Randolph, MA

Average sunshine days in August - Randolph, MA
  • Average sunshine days in August: 15.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in August
Randolph, MA

Average UV index in August - Randolph, 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
Randolph, MA

Average cloud cover in August - Randolph, 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
Randolph, MA

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

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