August weather forecast
Knottsville, WV

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Weather in August

August, the last month of the summer in Knottsville, is another warm month, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 58.3°F (14.6°C).

Temperature

During August, Knottsville records an average high-temperature of a still moderately hot 81.5°F (27.5°C), marking a slight divergence from July's 82°F (27.8°C). With a significant daily temperature differential, Knottsville's nighttime temperature in August falls to an average of 58.3°F (14.6°C).

Heat index

Throughout August, the heat index is appraised at a hot 87.8°F (31°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 77%.

Rainfall

In Knottsville, in August, during 15.7 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 184.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated.

Snowfall

In Knottsville, snow does not fall in June through September.

Daylight

The average length of the day in August is 13h and 40min.
On the first day of August, sunrise is at 6:20 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:51 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.1h of sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In August, the UV index of 5 transforms into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

What is the temperature in August?

In Knottsville, 81.5°F (27.5°C) is the average high-temperature and 58.3°F (14.6°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What are the least humid months?

The months with the lowest humidity are July and August, with an average relative humidity of 77%.

What is the average humidity in August?

In Knottsville, the average relative humidity in August is 77%.

How many days does it rain in August?

In August, the rain falls for 15.7 days. Throughout August, 2.32" (59mm) of precipitation is accumulated.

When it does not snow?

In Knottsville, snow does not fall in June through September.

What is the average length of the day in August?

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

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:20 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:51 pm EDT.

What month has the most sunshine?

The month with the most sunshine in Knottsville is August, with an average of 10.1h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 10.1h.

What is the UV index reading in August?

In Knottsville, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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
Knottsville, WV

Average temperature in August - Knottsville, WV
  • Average high temperature in August: 81.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in August: 58.3°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in August
Knottsville, WV

Average pressure in August - Knottsville, WV
  • Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in August
Knottsville, WV

Average wind speed in August - Knottsville, WV
  • Average wind speed in August: 4.3mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in August
Knottsville, WV

Average humidity in August - Knottsville, WV
  • Average humidity in August: 77%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (77%).

Average rainfall in August
Knottsville, WV

Average rainfall in August - Knottsville, WV
  • Average rainfall in August: 2.32"

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in August
Knottsville, WV

Average rainfall days in August - Knottsville, WV
  • Average rainfall days in August: 15.7 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is February (11.9 days).

Average snowfall in August
Knottsville, WV

Average snowfall in August - Knottsville, WV
  • Average snowfall in August: 0"

The month with the highest snowfall is January (7.87").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Knottsville, WV

Average snowfall days in August - Knottsville, WV
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Knottsville, WV

Average daylight in August / Average sunshine in August - Knottsville, WV
  • 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 August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in August
Knottsville, WV

Average sunshine days in August - Knottsville, WV
  • Average sunshine days in August: 13 days

The month with the most sunshine days is October (13.7 days).
The month with the least sunshine days is January (6.5 days).

Average UV index in August
Knottsville, WV

Average UV index in August - Knottsville, WV
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Knottsville, WV

Average cloud cover in August - Knottsville, WV
  • Average cloud cover in August: 35

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in August
Knottsville, WV

Average visibility in August - Knottsville, WV
  • Average visibility in August: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

Knottsville, West Virginia, USA

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