August weather forecast
Green Wood Knolls, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Green Wood Knolls, Maryland, with an average temperature ranging between min 67.6°F (19.8°C) and max 84.9°F (29.4°C).

Temperature

The onset of August brings an average high-temperature of a warm 84.9°F (29.4°C), nearly matching the July temperature. In the month of August, an average of 67.6°F (19.8°C) marks the low-temperature in Green Wood Knolls.

Heat index

Throughout August, the heat index is estimated at a tropical 93.2°F (34°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In August, the average relative humidity in Green Wood Knolls is 71%.

Rainfall

The month with the most rainfall is August, when the rain falls for 17.1 days and typically aggregates up to 4.13" (105mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 39min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:39 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 reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

How hot is August in Green Wood Knolls?

August temperatures vary between a high-temperature of 84.9°F (29.4°C) and a low-temperature of 67.6°F (19.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is estimated at 93.2°F (34°C).

What is the average humidity in August?

In August, the average relative humidity is 71%.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 17.1 days and accumulates 4.13" (105mm) of precipitation.

How much does it rain in August?

In August, the rain falls for 17.1 days. Throughout August, 4.13" (105mm) of precipitation is accumulated.

When it does not snow?

In Green Wood Knolls, snow does not fall in May through October.

What is the average length of the day in August?

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

When are sunrise and sunset in August in Green Wood Knolls?

In August, on the first day of the month, sunrise is at 6:09 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 Green Wood Knolls have in August?

In Green Wood Knolls, the average sunshine duration in August is 10.2h.

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.

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents 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
Green Wood Knolls, MD

Average temperature in August - Green Wood Knolls, MD
  • Average high temperature in August: 84.9°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in August
Green Wood Knolls, MD

Average pressure in August - Green Wood Knolls, 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 (29.95"Hg).

Average wind speed in August
Green Wood Knolls, MD

Average wind speed in August - Green Wood Knolls, MD
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in August
Green Wood Knolls, MD

Average humidity in August - Green Wood Knolls, MD
  • Average humidity in August: 71%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in August
Green Wood Knolls, MD

Average rainfall in August - Green Wood Knolls, MD
  • Average rainfall in August: 4.13"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in August
Green Wood Knolls, MD

Average rainfall days in August - Green Wood Knolls, MD
  • Average rainfall days in August: 17.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in August
Green Wood Knolls, MD

Average snowfall in August - Green Wood Knolls, MD
  • Average snowfall in August: 0"

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

Average snowfall days in August
Green Wood Knolls, MD

Average snowfall days in August - Green Wood Knolls, MD
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (5.1 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
Green Wood Knolls, MD

Average daylight in August / Average sunshine in August - Green Wood Knolls, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in August
Green Wood Knolls, MD

Average sunshine days in August - Green Wood Knolls, MD
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

Average UV index in August
Green Wood Knolls, MD

Average UV index in August - Green Wood Knolls, 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
Green Wood Knolls, MD

Average cloud cover in August - Green Wood Knolls, MD
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
Green Wood Knolls, MD

Average visibility in August - Green Wood Knolls, MD
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Green Wood Knolls, Maryland, USA

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