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 sea temperature 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
In August, the average high-temperature registers at a still warm 78.4°F (25.8°C), nearly identical to July's 79°F (26.1°C). During August, Marblehead consistently records a temperature low averaging a comfortable 64.6°F (18.1°C).Humidity
The average relative humidity in August is 74%.Rainfall
In Marblehead, in August, it is raining for 11.9 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 146.3 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
In Marblehead, snow does not fall in May through September.Ocean temperature
August is the month with the warmest seawater, with an average ocean temperature of 66.4°F (19.1°C).Note: Swimming is not an enjoyable activity for the majority when the water is at 66.4°F (19.1°C). The difficulty of controlling breathing increases as the temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Marblehead, the average length of the day in August is 13h and 52min.On the first day of the month, sunrise is at 5:36 am and sunset at 8:03 pm. On the last day of August, sunrise is at 6:08 am and sunset at 7:18 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.5h 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 estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In August, a regular UV index of 6 translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are the temperatures in Marblehead in August?
What is the average humidity in August in Marblehead?
How much does it rain in Marblehead in August?
When it does not snow in Marblehead?
What month is the ocean warmest in Marblehead?
What is the ocean temperature in August in Marblehead?
How many hours of daylight does Marblehead have in August?
When is the sunrise / sunset in August in Marblehead?
What month has the most sunshine in Marblehead?
How long on average sun shines in August in Marblehead?
What are the months with the highest UV index in Marblehead?
What is the UV index intensity in August in Marblehead?
Average temperature in August
Marblehead, MA
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in August: 64.6°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in August
Marblehead, MA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Marblehead, MA
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in August
Marblehead, MA
- Average humidity in August: 74%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in August
Marblehead, MA
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is December (3.03").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in August
Marblehead, MA
- Average rainfall days in August: 11.9 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
Marblehead, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Marblehead, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in August
Marblehead, MA
- Average sea temperature in August: 66.4°F
The best month for swimming (with the highest average sea temperature) is August (66.4°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in August /
Average sunshine in August
Marblehead, 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 December (Average sunshine: 4h and 36min).
Average sunshine days in August
Marblehead, MA
- Average sunshine days in August: 16.9 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in August
Marblehead, 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
Marblehead, MA
- Average cloud cover in August: 30
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Marblehead, 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).
Marblehead, Massachusetts, USA
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