August weather forecastChilmark, MA
August
Weather in August
The last month of the summer, August, is a moderately hot month in Chilmark, Massachusetts, with an average temperature fluctuating between 69.4°F (20.8°C) and 73.9°F (23.3°C).Temperature
August stands out as Chilmark's warmest month, with an average high-temperature of 73.9°F (23.3°C) and a low-temperature of 69.4°F (20.8°C).Humidity
In August, the average relative humidity is 80%.Rainfall
August and November are months with the least rain when the rain falls for 13.3 days and typically aggregates up to 1.73" (44mm) of rain.Snowfall
In Chilmark, snow does not fall in April through November.Daylight
The average length of the day in August in Chilmark is 13h and 47min.On the first day of August, sunrise is at 5:38 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:09 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
July and 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 health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: During August, 6 as the daily maximum UV index converts into the following advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chilmark, MA
- Average high temperature in August: 73.9°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in August: 69.4°F
The month with the highest average low temperature is August (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in August
Chilmark, 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 (29.94"Hg).
Average wind speed in August
Chilmark, MA
- Average wind speed in August: 10.9mph
The windiest month (with the highest average wind speed) is January (16.2mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in August
Chilmark, MA
- Average humidity in August: 80%
The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in August
Chilmark, MA
- Average rainfall in August: 1.73"
The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are August and November (1.73").
Average rainfall days in August
Chilmark, MA
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in August
Chilmark, MA
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.18").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Chilmark, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Chilmark, MA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
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 month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in August
Chilmark, MA
- Average sunshine days in August: 15.9 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is April (13.5 days).
Average UV index in August
Chilmark, 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
Chilmark, MA
- Average cloud cover in August: 27
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Chilmark, 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).
