August weather forecast
Charlotte Hall, MD

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Weather in August

The last month of the summer, August, is another warm month in Charlotte Hall, Maryland, with an average temperature fluctuating between 69.4°F (20.8°C) and 83.7°F (28.7°C).

Temperature

Charlotte Hall notes an average high-temperature of a still moderately hot 83.7°F (28.7°C) in August, displaying minor variation from July. Charlotte Hall records a consistent low-temperature of 69.4°F (20.8°C) during August nights.

Heat index

August's average heat index is computed to be a tropical 91.4°F (33°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level 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 are especially vital to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

The average relative humidity in August is 76%.

Rainfall

In Charlotte Hall, during August, the rain falls for 17.7 days and regularly aggregates up to 4.33" (110mm) of precipitation. In Charlotte Hall, Maryland, during the entire year, the rain falls for 158.1 days and collects up to 33.07" (840mm) of precipitation.

Snowfall

In Charlotte Hall, snow does not fall in April through October.

Daylight

The average length of the day in August is 13h and 37min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:38 pm EDT.

Sunshine

In August, the average sunshine is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The high-temperature, in August, in Charlotte Hall, is 83.7°F (28.7°C), while the low-temperature averages to 69.4°F (20.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 91.4°F (33°C).

What is the average humidity in August?

In August, the average relative humidity is 76%.

How much does it rain in August?

In Charlotte Hall, during August, the rain falls for 17.7 days and regularly aggregates up to 4.33" (110mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Charlotte Hall have in August?

In Charlotte Hall, the average day length in August is 13h and 37min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Charlotte Hall have in August?

In Charlotte Hall, the average sunshine duration in August is 10.2h.

What are the months 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?

The average daily maximum UV index in August in Charlotte Hall is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to 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
Charlotte Hall, MD

Average temperature in August - Charlotte Hall, MD
  • Average high temperature in August: 83.7°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 (41.5°F).

  • Average low temperature in August: 69.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in August
Charlotte Hall, MD

Average pressure in August - Charlotte Hall, MD
  • 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 (29.95"Hg).

Average wind speed in August
Charlotte Hall, MD

Average wind speed in August - Charlotte Hall, MD
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in August
Charlotte Hall, MD

Average humidity in August - Charlotte Hall, MD
  • Average humidity in August: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (72%).

Average rainfall in August
Charlotte Hall, MD

Average rainfall in August - Charlotte Hall, MD
  • Average rainfall in August: 4.33"

The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in August
Charlotte Hall, MD

Average rainfall days in August - Charlotte Hall, MD
  • Average rainfall days in August: 17.7 days

The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (8 days).

Average snowfall in August
Charlotte Hall, MD

Average snowfall in August - Charlotte Hall, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Charlotte Hall, MD

Average snowfall days in August - Charlotte Hall, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3.7 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
Charlotte Hall, MD

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in August
Charlotte Hall, MD

Average sunshine days in August - Charlotte Hall, MD
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in August
Charlotte Hall, MD

Average UV index in August - Charlotte Hall, 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 and December (UV index 2).

Average cloud cover in August
Charlotte Hall, MD

Average cloud cover in August - Charlotte Hall, MD
  • Average cloud cover in August: 31

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in August
Charlotte Hall, MD

Average visibility in August - Charlotte Hall, 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).

Charlotte Hall, Maryland, USA

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