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
During August, Marblehead observes a subtle ascent to a still moderately hot 78.4°F (25.8°C) from July's 79°F (26.1°C) in the average high-temperature. August nights experience a consistent temperature drop to a comfortable 64.6°F (18.1°C).Humidity
In August, the average relative humidity is 74%.Rainfall
In Marblehead, during August, the rain falls for 11.9 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Marblehead, during the entire year, the rain falls for 146.3 days and collects up to 28.23" (717mm) of precipitation.Snowfall
In Marblehead, snow does not fall in May through September.Ocean temperature
With an average ocean temperature of 66.4°F (19.1°C), August is the month with the warmest seawater.Note: Most people do not enjoy swimming in water that is 66.4°F (19.1°C). Breathing becomes increasingly challenging as the water temperature dips under 69.8°F (21°C).
Daylight
In August, the average length of the day is 13h and 52min.On the first day of August, sunrise is at 5:36 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:18 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.5h 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 estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In August, the UV index of 6 transforms into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Marblehead in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
When is the ocean warmest?
What is the ocean temperature in August?
What is the average length of the day in August?
What time are sunrise and sunset in August in Marblehead?
What month has the most sunshine?
How long on average sun shines in August?
When is the highest UV index?
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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