August weather forecast
Weston, MA

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Weather in August

August, the last month of the summer in Weston, is also a moderately hot month, with an average temperature ranging between min 63°F (17.2°C) and max 81°F (27.2°C).

Temperature

With the onset of August, a modest change to a still warm 81°F (27.2°C) from July's 82°F (27.8°C) is noted in high-temperature. The average temperature drops to a comfortable 63°F (17.2°C) during the night in the month of August.

Heat index

August's mean heat index is appraised at 84.2°F (29°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In Weston, the average relative humidity in August is 73%.

Rainfall

In Weston, during August, the rain falls for 10 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 106.3 rainfall days, and 8.5" (216mm) of precipitation is accumulated.

Snowfall

In Weston, Massachusetts, snow does not fall in June through October.

Daylight

In Weston, the average length of the day in August is 13h and 51min.
On the first day of the month, sunrise is at 5:38 am and sunset at 8:04 pm. On the last day of August, sunrise is at 6:10 am and sunset at 7:20 pm EDT.

Sunshine

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

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during August translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What is the usual temperature for Weston in August?

In Weston, 81°F (27.2°C) is the average high-temperature and 63°F (17.2°C) is the average low-temperature during August. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 84.2°F (29°C).

What is the average humidity in August?

In August, the average relative humidity is 73%.

How much does it rain in August?

In Weston, in August, it is raining for 10 days, with typically 0.67" (17mm) of accumulated precipitation.

When it does not snow?

June through October are months without snowfall in Weston.

What is the average length of the day in August?

In Weston, the average day length in August is 13h and 51min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:38 am and sunset at 8:04 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 10.5h of sunshine, August has the most sunshine of the year.

How many hours of sunshine does Weston have in August?

The average sunshine duration in August is 10.5h.

What are the months with the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Weston, MA

Average temperature in August - Weston, 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 (33.3°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in August
Weston, MA

Average pressure in August - Weston, 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
Weston, MA

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

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in August
Weston, MA

Average humidity in August - Weston, MA
  • Average humidity in August: 73%

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

Average rainfall in August
Weston, MA

Average rainfall in August - Weston, MA
  • Average rainfall in August: 0.67"

The wettest months (with the highest rainfall) are April and November (0.87").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in August
Weston, MA

Average rainfall days in August - Weston, MA
  • Average rainfall days in August: 10 days

The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in August
Weston, MA

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

The month with the highest snowfall is December (1.14").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Weston, MA

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

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Weston, 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 6min).

  • 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).

Average sunshine days in August
Weston, MA

Average sunshine days in August - Weston, MA
  • Average sunshine days in August: 17.8 days

The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is June (15.8 days).

Average UV index in August
Weston, MA

Average UV index in August - Weston, 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
Weston, MA

Average cloud cover in August - Weston, MA
  • Average cloud cover in August: 32

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
Weston, MA

Average visibility in August - Weston, 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).

Weston, Massachusetts, USA

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