August weather forecastTwin Brook, MD
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Twin Brook, Maryland, with temperature in the range of an average low of 67.5°F (19.7°C) and an average high of 85.3°F (29.6°C).Temperature
Twin Brook's average high-temperature in August is a warm 85.3°F (29.6°C), indicating a subtle variation from July. Nighttime temperature experiences an average drop to a refreshing 67.5°F (19.7°C) in August.Heat index
August's heat index is calculated to be a fiery hot 95°F (35°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
The average relative humidity in August is 72%.Rainfall
August is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.9" (99mm) of precipitation.Snowfall
In Twin Brook, snow does not fall in May through October.Daylight
In Twin Brook, the average length of the day in August is 13h and 39min.On the first day of August, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:40 pm EDT.
Sunshine
In Twin Brook, the average sunshine in August is 10.3h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In August, the UV index of 6 transforms into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Twin Brook, MD
- Average high temperature in August: 85.3°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in August: 67.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in August
Twin Brook, MD
- 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 (29.95"Hg).
Average wind speed in August
Twin Brook, MD
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Twin Brook, MD
- Average humidity in August: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in August
Twin Brook, MD
- Average rainfall in August: 3.9"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in August
Twin Brook, MD
- Average rainfall days in August: 15.9 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in August
Twin Brook, MD
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Twin Brook, MD
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (5.3 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
Twin Brook, MD
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in August
Twin Brook, MD
- Average sunshine days in August: 12.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12 days).
Average UV index in August
Twin Brook, MD
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Twin Brook, MD
- Average cloud cover in August: 32
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Twin Brook, MD
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
