August weather forecast
Harmans, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Harmans, Maryland, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 68.7°F (20.4°C).

Temperature

August brings an average high-temperature of a still moderately hot 83.8°F (28.8°C), nearly identical to the preceding month. Harmans experiences an average temperature drop to a pleasant 68.7°F (20.4°C) during August nights.

Heat index

August's mean heat index is evaluated at a hot 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

The average relative humidity in August is 73%.

Rainfall

August is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.94" (100mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 39min.
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 6:35 am and sunset at 7:38 pm EDT.

Sunshine

In August, the average sunshine is 10.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

How hot is it in August?

August temperatures in Harmans, Maryland, vary between a high-temperature of 83.8°F (28.8°C) and a low-temperature of 68.7°F (20.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 91.4°F (33°C).

What is the average humidity in August?

The average relative humidity in August in Harmans is 73%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.94" (100mm) of precipitation.

How much does it rain in Harmans in August?

In Harmans, in August, during 16.7 rainfall days, 3.94" (100mm) of precipitation is typically accumulated.

When it does not snow?

In Harmans, 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 39min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Harmans have in August?

The average sunshine duration in August is 10.4h.

What are the months with 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 reading in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Harmans, MD

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

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in August: 68.7°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in August
Harmans, MD

Average pressure in August - Harmans, 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
Harmans, MD

Average wind speed in August - Harmans, MD
  • Average wind speed in August: 5.7mph

The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in August
Harmans, MD

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

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

Average rainfall in August
Harmans, MD

Average rainfall in August - Harmans, MD
  • Average rainfall in August: 3.94"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").

Average rainfall days in August
Harmans, MD

Average rainfall days in August - Harmans, MD
  • Average rainfall days in August: 16.7 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in August
Harmans, MD

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

The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Harmans, MD

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

The month with the highest number of snowfall days is February (3.9 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
Harmans, MD

Average daylight in August / Average sunshine in August - Harmans, 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
Harmans, MD

Average sunshine days in August - Harmans, MD
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in August
Harmans, MD

Average UV index in August - Harmans, 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
Harmans, MD

Average cloud cover in August - Harmans, MD
  • Average cloud cover in August: 30

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
Harmans, MD

Average visibility in August - Harmans, 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).

Harmans, Maryland, USA

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