August weather forecastOsterville, MA
August
Weather in August
August, the last month of the summer in Osterville, is also an agreeable month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 68.2°F (20.1°C).Temperature
With average temperatures fluctuating between a high of 72.5°F (22.5°C) and a low of 68.2°F (20.1°C), August stands out as the warmest month.Humidity
In August, the average relative humidity is 81%.Rainfall
The month with the least rainfall is August, when the rain falls for 12.4 days and typically collects 1.73" (44mm) of precipitation.Snowfall
In Osterville, snow does not fall in May through November.Ocean temperature
August is the month with the warmest seawater, with an average ocean temperature of 67.5°F (19.7°C).Note: In water with a temperature of 67.5°F (19.7°C), most people do not enjoy swimming. As the temperature descends from 69.8°F (21°C) to 59°F (15°C), breathing becomes increasingly difficult to control.
Daylight
In Osterville, the average length of the day in August is 13h and 48min.On the first day of the month, sunrise is at 5:36 am and sunset at 7:58 pm. On the last day of August, sunrise is at 6:07 am and sunset at 7:16 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.8h 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 reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In August, a regular UV index of 6 translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. 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
Average temperature in August
Osterville, MA
- Average high temperature in August: 72.5°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in August: 68.2°F
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in August
Osterville, 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
Osterville, MA
- Average wind speed in August: 10.6mph
The windiest month (with the highest average wind speed) is January (16.5mph).
The calmest month (with the lowest average wind speed) is August (10.6mph).
Average humidity in August
Osterville, MA
- Average humidity in August: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in August
Osterville, MA
- Average rainfall in August: 1.73"
The wettest month (with the highest rainfall) is October (3.7").
The driest month (with the least rainfall) is August (1.73").
Average rainfall days in August
Osterville, MA
- Average rainfall days in August: 12.4 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in August
Osterville, MA
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in August
Osterville, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Osterville, MA
- Average sea temperature in August: 67.5°F
The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).
Average daylight in August /
Average sunshine in August
Osterville, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in August
Osterville, MA
- Average sunshine days in August: 17.7 days
The month with the most sunshine days is August (17.7 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in August
Osterville, 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
Osterville, MA
- Average cloud cover in August: 27
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Osterville, 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).
