August weather forecast
Capitol Hills, MD

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Weather in August

August, the last month of the summer in Capitol Hills, is another warm month, with an average temperature fluctuating between 83.8°F (28.8°C) and 68.9°F (20.5°C).

Temperature

In Capitol Hills, August's average high-temperature stands at a still warm 83.8°F (28.8°C), closely related to the preceding month. August nights cool down to an average low-temperature of 68.9°F (20.5°C).

Heat index

In August, the average heat index is appraised at a hot 91.4°F (33°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

The average relative humidity in August is 73%.

Rainfall

The month with the most rainfall is August, when the rain falls for 16.8 days and typically aggregates up to 4.09" (104mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Capitol Hills, the average length of the day in August is 13h and 40min.
On the first day of August, sunrise is at 6:07 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:38 pm EDT.

Sunshine

In Capitol Hills, the average sunshine in August is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 in August translates into these instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

The average high-temperature and low-temperature during August are 83.8°F (28.8°C) and 68.9°F (20.5°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 91.4°F (33°C).

What is the average humidity in August in Capitol Hills?

The average relative humidity in August in Capitol Hills is 73%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 16.8 days and typically aggregates up to 4.09" (104mm) of precipitation.

How many days does it rain in August?

In Capitol Hills, in August, during 16.8 rainfall days, 4.09" (104mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in August in Capitol Hills?

The average day length in August is 13h and 40min.

What time are sunrise and sunset in August in Capitol Hills?

On the first day of August, sunrise is at 6:07 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Capitol Hills have in August?

In August, the average sunshine duration is 10.4h.

What is the month with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in August?

In Capitol Hills, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Capitol Hills, MD

Average temperature in August - Capitol Hills, MD
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in August: 68.9°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in August
Capitol Hills, MD

Average pressure in August - Capitol Hills, 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 (29.94"Hg).

Average wind speed in August
Capitol Hills, MD

Average wind speed in August - Capitol Hills, MD
  • Average wind speed in August: 5.8mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in August
Capitol Hills, MD

Average humidity in August - Capitol Hills, MD
  • Average humidity in August: 73%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).

Average rainfall in August
Capitol Hills, MD

Average rainfall in August - Capitol Hills, MD
  • Average rainfall in August: 4.09"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in August
Capitol Hills, MD

Average rainfall days in August - Capitol Hills, MD
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).

Average snowfall in August
Capitol Hills, MD

Average snowfall in August - Capitol Hills, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Capitol Hills, MD

Average snowfall days in August - Capitol Hills, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Capitol Hills, MD

Average daylight in August / Average sunshine in August - Capitol Hills, MD
  • Average daylight in August: 13h and 4min

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 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in August
Capitol Hills, MD

Average sunshine days in August - Capitol Hills, MD
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

Average UV index in August
Capitol Hills, MD

Average UV index in August - Capitol Hills, 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, November and December (UV index 2).

Average cloud cover in August
Capitol Hills, MD

Average cloud cover in August - Capitol Hills, MD
  • Average cloud cover in August: 31

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in August
Capitol Hills, MD

Average visibility in August - Capitol Hills, MD
  • 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).

Capitol Hills, Maryland, USA

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