August weather forecast
Knollview, MD

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Weather in August

August, the last month of the summer in Knollview, is also a moderately hot month, with an average temperature fluctuating between 83.5°F (28.6°C) and 67.3°F (19.6°C).

Temperature

The arrival of August brings an average high-temperature of a still warm 83.5°F (28.6°C), subtly diverging from July's 85.6°F (29.8°C). During August, Knollview sees a mean low-temperature of 67.3°F (19.6°C).

Heat index

Throughout August, the heat index is computed to be a hot 89.6°F (32°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

In August, the average relative humidity is 73%.

Rainfall

August is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.74" (95mm) of precipitation.

Snowfall

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

Daylight

In Knollview, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:38 pm EDT.

Sunshine

In August, the average sunshine 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 hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The average high-temperature, in August, in Knollview, is 83.5°F (28.6°C), while the average low-temperature is 67.3°F (19.6°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is computed to be 89.6°F (32°C).

What is the average humidity in August?

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

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.74" (95mm) of precipitation.

How many days does it rain in August?

In August, the rain falls for 15.9 days. Throughout August, 3.74" (95mm) of precipitation is accumulated.

When it does not snow in Knollview?

May through October are months without snowfall.

What is the average length of the day in August?

In Knollview, the average day length in August is 13h and 40min.

What time are sunrise and sunset in August?

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.

How many hours of sunshine does Knollview have in August?

The average sunshine duration in August is 10.4h.

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?

In August, the average daily maximum UV index is 6. A UV Index reading 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
Knollview, MD

Average temperature in August - Knollview, MD
  • Average high temperature in August: 83.5°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 (38.1°F).

  • Average low temperature in August: 67.3°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
Knollview, MD

Average pressure in August - Knollview, 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
Knollview, MD

Average wind speed in August - Knollview, MD
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Knollview, MD

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

The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).

Average rainfall in August
Knollview, MD

Average rainfall in August - Knollview, MD
  • Average rainfall in August: 3.74"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in August
Knollview, MD

Average rainfall days in August - Knollview, MD
  • Average rainfall days in August: 15.9 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in August
Knollview, MD

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Knollview, MD

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

The month with the highest number of snowfall days is January (4.9 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
Knollview, MD

Average daylight in August / Average sunshine in August - Knollview, 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 month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in August
Knollview, MD

Average sunshine days in August - Knollview, MD
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in August
Knollview, MD

Average UV index in August - Knollview, 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
Knollview, MD

Average cloud cover in August - Knollview, MD
  • Average cloud cover in August: 31

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
Knollview, MD

Average visibility in August - Knollview, 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).

Knollview, Maryland, USA

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