August weather forecastButterworth, VA
August
Weather in August
August, the last month of the summer in Butterworth, is another tropical month, with an average temperature fluctuating between 68.2°F (20.1°C) and 87.6°F (30.9°C).Temperature
The beginning of August records an average high-temperature of a still hot 87.6°F (30.9°C), marking a negligible difference from July's 90.1°F (32.3°C). In Butterworth, the average low-temperature during the month of August is an agreeable 68.2°F (20.1°C).Heat index
The heat index in August is computed to be a torrid 100.4°F (38°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
In Butterworth, the average relative humidity in August is 73%.Rainfall
August is the month with the most rainfall. Rain falls for 14.3 days and accumulates 2.09" (53mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Butterworth, the average length of the day in August is 13h and 32min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:41 am and sunset at 7:40 pm EDT.
Sunshine
The average sunshine in August is 10.3h.UV index
In Butterworth, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Butterworth, VA
- Average high temperature in August: 87.6°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in August: 68.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in August
Butterworth, VA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Butterworth, VA
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Butterworth, VA
- Average humidity in August: 73%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in August
Butterworth, VA
- Average rainfall in August: 2.09"
The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is October (1.14").
Average rainfall days in August
Butterworth, VA
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is October (7.5 days).
Average snowfall in August
Butterworth, VA
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Butterworth, VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.6 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
Butterworth, VA
- Average daylight in August: 13h and 30min
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 42min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days in August
Butterworth, VA
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in August
Butterworth, VA
- Average UV index in August: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in August
Butterworth, VA
- Average cloud cover in August: 34
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Butterworth, 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).
