August weather forecast
Henderson, MD

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Weather in August

August, the last month of the summer in Henderson, is another warm month, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 68°F (20°C).

Temperature

August's presence marks an average high-temperature of a still moderately hot 82.9°F (28.3°C), subtly varied from July's 83.8°F (28.8°C). Henderson reports an average low-temperature of 68°F (20°C) during the nights of August.

Heat index

In August, the heat index is appraised at a hot 91.4°F (33°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

The months with the highest humidity are May and August, with an average relative humidity of 79%.

Rainfall

In Henderson, in August, during 15.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 156.8 rainfall days, and 31.97" (812mm) of precipitation is accumulated.

Snowfall

In Henderson, snow does not fall in May through October.

Daylight

In August, the average length of the day is 13h and 39min.
On the first day of August, sunrise is at 6:04 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:34 pm EDT.

Sunshine

In August, the average sunshine is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

How hot is August?

An average high-temperature, in August, in Henderson, is 82.9°F (28.3°C) and the average low-temperature is 68°F (20°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 91.4°F (33°C).

What is the most humid month?

The months with the highest humidity are May and August, with an average relative humidity of 79%.

What is the average humidity in August?

In Henderson, the average relative humidity in August is 79%.

How many days does it rain in August?

In Henderson, in August, during 15.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

When it does not snow?

In Henderson, snow does not fall in May through October.

How many hours of daylight does Henderson have in August?

In August, the average day length is 13h and 39min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:04 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:34 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.3h.

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 intensity in August?

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

Average temperature in August - Henderson, MD
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in August: 68°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in August
Henderson, MD

Average pressure in August - Henderson, MD
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Henderson, MD

Average wind speed in August - Henderson, MD
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in August
Henderson, MD

Average humidity in August - Henderson, MD
  • Average humidity in August: 79%

The months with the highest relative humidity are May and August (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall in August
Henderson, MD

Average rainfall in August - Henderson, MD
  • Average rainfall in August: 3.27"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in August
Henderson, MD

Average rainfall days in August - Henderson, MD
  • Average rainfall days in August: 15.6 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in August
Henderson, MD

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Henderson, MD

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

The month with the highest number of snowfall days is January (3.9 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
Henderson, MD

Average daylight in August / Average sunshine in August - Henderson, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in August
Henderson, MD

Average sunshine days in August - Henderson, MD
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in August
Henderson, MD

Average UV index in August - Henderson, 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
Henderson, MD

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

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

Average visibility in August
Henderson, MD

Average visibility in August - Henderson, 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).

Henderson, Maryland, USA

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