August weather forecast
Chartley, MA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Chartley, Massachusetts, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 80.4°F (26.9°C).

Temperature

Welcoming August, Chartley notes an average high-temperature of a still warm 80.4°F (26.9°C), nearly consistent with July's 81.9°F (27.7°C). August is noted for a mean low-temperature of 62.4°F (16.9°C).

Humidity

The average relative humidity in August in Chartley is 76%.

Rainfall

In August, the rain falls for 12.8 days. Throughout August, 1.97" (50mm) of precipitation is accumulated. Throughout the year, there are 149.9 rainfall days, and 29.09" (739mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 13h and 49min.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:03 pm. On the last day of August, sunrise is at 6:10 am and sunset at 7:19 pm EDT.

Sunshine

With an average of 10.4h of sunshine, August has the most sunshine of the year.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

An average high-temperature, in August, in Chartley, is 80.4°F (26.9°C) and the average low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in July is estimated at 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 76%.

How many days does it rain in August?

In August, the rain falls for 12.8 days. Throughout August, 1.97" (50mm) of precipitation is accumulated.

When it does not snow?

In Chartley, snow does not fall in June through October.

How many hours of daylight does Chartley have in August?

In Chartley, the average day length in August is 13h and 49min.

When are sunrise and sunset in August?

In August, on the first day of the month, 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 7:19 pm EDT.

What month has the most sunshine?

With an average of 10.4h of sunshine, August has the most sunshine of the year in Chartley.

How many hours of sunshine does Chartley have in August?

In August, the average sunshine duration is 10.4h.

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?

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 unsafe exposure to Sun's UV rays.
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
Chartley, MA

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

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in August: 62.4°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in August
Chartley, MA

Average pressure in August - Chartley, 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
Chartley, MA

Average wind speed in August - Chartley, MA
  • Average wind speed in August: 6.1mph

The windiest months (with the highest average wind speed) are February and March (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity in August
Chartley, MA

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

The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).

Average rainfall in August
Chartley, MA

Average rainfall in August - Chartley, MA
  • Average rainfall in August: 1.97"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in August
Chartley, MA

Average rainfall days in August - Chartley, MA
  • Average rainfall days in August: 12.8 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in August
Chartley, MA

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

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Chartley, MA

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

The month with the highest number of snowfall days is January (7.8 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
Chartley, MA

Average daylight in August / Average sunshine in August - Chartley, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in August
Chartley, MA

Average sunshine days in August - Chartley, MA
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (12.8 days).

Average UV index in August
Chartley, MA

Average UV index in August - Chartley, 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
Chartley, MA

Average cloud cover in August - Chartley, 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
Chartley, MA

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

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

Chartley, Massachusetts, USA

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