August weather forecastSouth Duxbury, MA
August
Weather in August
August, the last month of the summer in South Duxbury, is also a moderately hot month, with an average temperature fluctuating between 65.8°F (18.8°C) and 75.7°F (24.3°C).Temperature
The warmest period falls in July and August, when the average high-temperature reaches 75.7°F (24.3°C).Humidity
In South Duxbury, the average relative humidity in August is 79%.Rainfall
In August, the rain falls for 11.2 days. Throughout August, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 120.2 rainfall days, and 12.24" (311mm) of precipitation is accumulated.Snowfall
In South Duxbury, snow does not fall in May through October.Ocean temperature
With an average ocean temperature of 67.6°F (19.8°C), August is the month with the warmest seawater in South Duxbury.Note: Most people find swimming in 67.6°F (19.8°C) unenjoyable. As the water temperature falls from 69.8°F (21°C) to 59°F (15°C), controlling one's breathing becomes harder.
Daylight
In South Duxbury, the average length of the day in August is 13h and 50min.On the first day of August, sunrise is at 5:36 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:17 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.7h of sunshine.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
South Duxbury, MA
- Average high temperature in August: 75.7°F
The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in August: 65.8°F
The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in August
South Duxbury, MA
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
South Duxbury, MA
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in August
South Duxbury, MA
- Average humidity in August: 79%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in August
South Duxbury, MA
- Average rainfall in August: 1.02"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in August
South Duxbury, MA
- Average rainfall days in August: 11.2 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in August
South Duxbury, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
South Duxbury, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in August
South Duxbury, MA
- Average sea temperature in August: 67.6°F
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in August /
Average sunshine in August
South Duxbury, MA
- Average daylight in August: 13h and 48min
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 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in August
South Duxbury, MA
- Average sunshine days in August: 17.8 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in August
South Duxbury, MA
- Average UV index in August: 6
The months with the highest UV index are 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
South Duxbury, MA
- Average cloud cover in August: 29
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
South Duxbury, 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).
