August weather forecastOyster, VA
August
Weather in August
August, the last month of the summer in Oyster, is another warm month, with temperature in the range of an average low of 75.7°F (24.3°C) and an average high of 81.7°F (27.6°C).Temperature
In August, Oyster experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 82.6°F (28.1°C) in July to a still warm 81.7°F (27.6°C). During the nights of August, Oyster records an average temperature of 75.7°F (24.3°C), a minor drop from daytime peaks.Heat index
During August, the heat index is calculated to be a hot 86°F (30°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In August, the average relative humidity is 75%.Rainfall
August is the month with the most rainfall. Rain falls for 15.1 days and accumulates 1.69" (43mm) of precipitation.Snowfall
In Oyster, snow does not fall in April through December.Daylight
The average length of the day in August is 13h and 33min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:33 pm EDT.
Sunshine
In Oyster, the average sunshine in August is 10.7h.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: During August, 7 as the daily maximum UV index converts into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Oyster, VA
- Average high temperature in August: 81.7°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in August: 75.7°F
The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in August
Oyster, VA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Oyster, VA
- Average wind speed in August: 9.7mph
The windiest months (with the highest average wind speed) are January and March (13.4mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in August
Oyster, VA
- Average humidity in August: 75%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, October and November (74%).
Average rainfall in August
Oyster, VA
- Average rainfall in August: 1.69"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in August
Oyster, VA
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is August (15.1 days).
The months with the least rainy days are January and October (7.5 days).
Average snowfall in August
Oyster, VA
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in August
Oyster, VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Oyster, VA
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 10h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in August
Oyster, VA
- Average sunshine days in August: 12.7 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is August (12.7 days).
Average UV index in August
Oyster, VA
- Average UV index in August: 7
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in August
Oyster, VA
- Average cloud cover in August: 27
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in August
Oyster, VA
- 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).





