August weather forecast
Twin Knolls, MD

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Weather in August

The last month of the summer, August, is another warm month in Twin Knolls, Maryland, with an average temperature ranging between min 64.9°F (18.3°C) and max 82.4°F (28°C).

Temperature

August's arrival brings an average high-temperature of a still warm 82.4°F (28°C), slightly deviating from July's 84.2°F (29°C). Twin Knolls observes an average nighttime temperature of 64.9°F (18.3°C) during August.

Heat index

Throughout August, the heat index is calculated to be a tropical 89.6°F (32°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

In August, the average relative humidity is 77%.

Rainfall

August is the month with the most rainfall in Twin Knolls. Rain falls for 16.5 days and accumulates 3.86" (98mm) of precipitation.

Snowfall

May through September are months without snowfall in Twin Knolls.

Daylight

In Twin Knolls, Maryland, the average length of the day in August is 13h and 40min.
On the first day of August, sunrise is at 6:07 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:39 pm EDT.

Sunshine

The average sunshine in August in Twin Knolls is 10.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In August, an average UV index of 6 transforms into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

How hot does it get in Twin Knolls in August?

The high-temperature, in August, in Twin Knolls, is 82.4°F (28°C), while the low-temperature averages to 64.9°F (18.3°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 calculated to be 89.6°F (32°C).

What is the average humidity in August in Twin Knolls?

The average relative humidity in August in Twin Knolls, Maryland, is 77%.

What is the rainiest month in Twin Knolls?

August is the month with the most rainfall. Rain falls for 16.5 days and accumulates 3.86" (98mm) of precipitation.

How much does it rain in Twin Knolls in August?

In Twin Knolls, Maryland, in August, it is raining for 16.5 days, with typically 3.86" (98mm) of accumulated precipitation.

When it does not snow in Twin Knolls?

May through September are months without snowfall in Twin Knolls.

How many hours of daylight does Twin Knolls have in August?

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

When are sunrise and sunset in August in Twin Knolls?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:19 pm. On the last day of the month, in Twin Knolls, sunrise is at 6:35 am and sunset at 7:39 pm EDT.

How long on average sun shines in August in Twin Knolls?

The average sunshine duration in August in Twin Knolls is 10.1h.

When is the highest UV index in Twin Knolls?

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

How high is the UV index in August in Twin Knolls?

In August, the average daily maximum UV index in Twin Knolls, Maryland, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from 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
Twin Knolls, MD

Average temperature in August - Twin Knolls, MD
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in August
Twin Knolls, MD

Average pressure in August - Twin 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 (29.94"Hg).

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Average wind speed in August
Twin Knolls, MD

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

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in August
Twin Knolls, MD

Average humidity in August - Twin Knolls, MD
  • Average humidity in August: 77%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March, April, July and November (75%).

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Average rainfall in August
Twin Knolls, MD

Average rainfall in August - Twin Knolls, MD
  • Average rainfall in August: 3.86"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.89").

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Average rainfall days in August
Twin Knolls, MD

Average rainfall days in August - Twin Knolls, MD
  • Average rainfall days in August: 16.5 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in August
Twin Knolls, MD

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

The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Twin Knolls, MD

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

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Twin Knolls, MD

Average daylight in August / Average sunshine in August - Twin 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 24min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
Twin Knolls, MD

Average sunshine days in August - Twin Knolls, MD
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in August
Twin Knolls, MD

Average UV index in August - Twin 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, February, November and December (UV index 2).

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Average cloud cover in August
Twin Knolls, MD

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

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in August
Twin Knolls, MD

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

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

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Twin Knolls, Maryland, USA

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