August weather forecastEastham, MA
August
Weather in August
August, the last month of the summer in Eastham, is another pleasant month, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 67.6°F (19.8°C).Temperature
In Eastham, the month of August registers the highest temperatures, averaging 71.1°F (21.7°C) at the peak and 67.6°F (19.8°C) at the lowest.Humidity
The average relative humidity in August in Eastham is 83%.Rainfall
In Eastham, in August, during 11.5 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Eastham, during the entire year, the rain falls for 136.1 days and collects up to 17.24" (438mm) of precipitation.Snowfall
In Eastham, snow does not fall in May through October.Daylight
The average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 5:34 am and sunset at 7:57 pm. On the last day of August, sunrise is at 6:05 am and sunset at 7:14 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.6h 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 unprotected exposure to Sun's UV rays for the average person.Note: In August, the maximum UV index of 6 suggests this advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Eastham, MA
- Average high temperature in August: 71.1°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in August: 67.6°F
The month with the highest average low temperature is August (67.6°F).
The coldest months (with the lowest average low temperature) are January and February (31.6°F).
Average pressure in August
Eastham, 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
Eastham, MA
- Average wind speed in August: 11.6mph
The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest months (with the lowest average wind speed) are July and August (11.6mph).
Average humidity in August
Eastham, MA
- Average humidity in August: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).
Average rainfall in August
Eastham, MA
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is October (2.17").
The driest months (with the least rainfall) are February and November (1.18").
Average rainfall days in August
Eastham, MA
- Average rainfall days in August: 11.5 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in August
Eastham, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Eastham, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.1 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
Eastham, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in August
Eastham, MA
- Average sunshine days in August: 18.2 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is December (13.1 days).
Average UV index in August
Eastham, 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
Eastham, MA
- Average cloud cover in August: 28
The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Eastham, 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).
