August weather forecast
Clarksville, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Clarksville, Maryland, with an average temperature ranging between min 67.3°F (19.6°C) and max 83.8°F (28.8°C).

Temperature

Clarksville's average high-temperature in August is a still warm 83.8°F (28.8°C), marking an insignificant difference from the 85.8°F (29.9°C) of July. Clarksville records an average temperature drop to a comfortable 67.3°F (19.6°C) in August.

Heat index

The heat index value during August is evaluated at a tropical 91.4°F (33°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in August is 73%.

Rainfall

August is the month with the most rainfall. Rain falls for 17.1 days and accumulates 4.06" (103mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Clarksville, the average length of the day in August is 13h and 40min.
On the first day of August, sunrise is at 6:08 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

Sunshine

In Clarksville, 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 value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

How hot does it get in August?

During August, Clarksville experiences an average high-temperature of 83.8°F (28.8°C) and a low-temperature of 67.3°F (19.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 91.4°F (33°C).

What is the average humidity in August?

In Clarksville, the average relative humidity in August is 73%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 17.1 days and typically aggregates up to 4.06" (103mm) of precipitation.

How many days does it rain in August?

In August, the rain falls for 17.1 days. Throughout August, 4.06" (103mm) of precipitation is accumulated.

When it does not snow?

In Clarksville, snow does not fall in April through October.

What is the average length of the day in August?

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

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:08 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

How many hours of sunshine does Clarksville have in August?

The average sunshine duration in August is 10.4h.

When is the highest UV index?

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

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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
Clarksville, MD

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

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in August
Clarksville, MD

Average pressure in August - Clarksville, 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
Clarksville, MD

Average wind speed in August - Clarksville, MD
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in August
Clarksville, MD

Average humidity in August - Clarksville, MD
  • Average humidity in August: 73%

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in August
Clarksville, MD

Average rainfall in August - Clarksville, MD
  • Average rainfall in August: 4.06"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in August
Clarksville, MD

Average rainfall days in August - Clarksville, MD
  • Average rainfall days in August: 17.1 days

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

Average snowfall in August
Clarksville, MD

Average snowfall in August - Clarksville, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Clarksville, MD

Average snowfall days in August - Clarksville, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (4.6 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
Clarksville, MD

Average daylight in August / Average sunshine in August - Clarksville, 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 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days in August
Clarksville, MD

Average sunshine days in August - Clarksville, MD
  • Average sunshine days in August: 12 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

Average UV index in August
Clarksville, MD

Average UV index in August - Clarksville, 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
Clarksville, MD

Average cloud cover in August - Clarksville, 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 29).

Average visibility in August
Clarksville, MD

Average visibility in August - Clarksville, 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).

Clarksville, Maryland, USA

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