Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The start of August sees the average high-temperature at a still warm 81°F (27.2°C), showing little difference from July's 82.4°F (28°C). Acton in August anticipates an average nighttime temperature of 62.1°F (16.7°C).Heat index
Throughout August, the heat index is computed to be a hot 86°F (30°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
In August, the average relative humidity is 74%.Rainfall
In Acton, during August, the rain falls for 11.3 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, there are 116.3 rainfall days, and 15.87" (403mm) of precipitation is accumulated.Snowfall
In Acton, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 51min.On the first day of August, sunrise is at 5:38 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:21 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.3h of sunshine.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 exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Acton in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
What month has the most sunshine in Acton?
How many hours of sunshine does Acton have in August?
When is the highest UV index in Acton?
How high is the UV index in August?
Average temperature in August
Acton, MA
- Average high temperature in August: 81°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.5°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 (20.1°F).
Average pressure in August
Acton, 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
Acton, MA
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Acton, MA
- Average humidity in August: 74%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in August
Acton, MA
- Average rainfall in August: 1.18"
The wettest month (with the highest rainfall) is October (1.65").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in August
Acton, MA
- Average rainfall days in August: 11.3 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in August
Acton, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Acton, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Acton, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Acton, MA
- Average sunshine days in August: 17.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is April (15.8 days).
Average UV index in August
Acton, 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
Acton, MA
- Average cloud cover in August: 34
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Acton, MA
- Average visibility in August: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Acton, Massachusetts, USA
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