August weather forecast
Keyser Valley, PA

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Weather in August

August, the last month of the summer in Keyser Valley, is another warm month, with an average temperature fluctuating between 77.9°F (25.5°C) and 56.8°F (13.8°C).

Temperature

The advent of August sees the average high-temperature at a still warm 77.9°F (25.5°C), subtly shifted from July's 80.6°F (27°C). In August, the average low-temperature records at a moderate 56.8°F (13.8°C) during the nights.

Humidity

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

Rainfall

In Keyser Valley, during August, the rain falls for 16.6 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, there are 165.6 rainfall days, and 30.31" (770mm) of precipitation is accumulated.

Snowfall

In Keyser Valley, snow does not fall in June through September.

Daylight

In Keyser Valley, the average length of the day in August is 13h and 47min.
On the first day of August in Keyser Valley, sunrise is at 5:58 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:36 pm EDT.

Sunshine

In Keyser Valley, the average sunshine in August is 9.5h.

UV index

The months with the highest UV index in Keyser Valley, Pennsylvania, are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In August, the maximum UV index of 5 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Around midday, solar radiation is most harmful; hence, exposure should be limited. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Keyser Valley in August?

The high-temperature, in August, in Keyser Valley, is 77.9°F (25.5°C), while the low-temperature averages to 56.8°F (13.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 84.2°F (29°C).

What is the average humidity in August?

The average relative humidity in August is 79%.

How much does it rain in August?

In August, the rain falls for 16.6 days. Throughout August, 2.95" (75mm) of precipitation is accumulated.

When it does not snow?

In Keyser Valley, snow does not fall in June through September.

How many hours of daylight does Keyser Valley have in August?

In Keyser Valley, the average day length in August is 13h and 47min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:58 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:36 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 9.5h.

When is the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate 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
Keyser Valley, PA

Average temperature in August - Keyser Valley, PA
  • Average high temperature in August: 77.9°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in August: 56.8°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in August
Keyser Valley, PA

Average pressure in August - Keyser Valley, PA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Keyser Valley, PA

Average wind speed in August - Keyser Valley, PA
  • Average wind speed in August: 5.2mph

The windiest months (with the highest average wind speed) are January, February, March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Keyser Valley, PA

Average humidity in August - Keyser Valley, PA
  • Average humidity in August: 79%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).

Average rainfall in August
Keyser Valley, PA

Average rainfall in August - Keyser Valley, PA
  • Average rainfall in August: 2.95"

The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in August
Keyser Valley, PA

Average rainfall days in August - Keyser Valley, PA
  • Average rainfall days in August: 16.6 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in August
Keyser Valley, PA

Average snowfall in August - Keyser Valley, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Keyser Valley, PA

Average snowfall days in August - Keyser Valley, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Keyser Valley, PA

Average daylight in August / Average sunshine in August - Keyser Valley, PA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

Average sunshine days in August
Keyser Valley, PA

Average sunshine days in August - Keyser Valley, PA
  • Average sunshine days in August: 12.4 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is May (9.3 days).

Average UV index in August
Keyser Valley, PA

Average UV index in August - Keyser Valley, PA
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Keyser Valley, PA

Average cloud cover in August - Keyser Valley, PA
  • Average cloud cover in August: 39

The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in August
Keyser Valley, PA

Average visibility in August - Keyser Valley, PA
  • Average visibility in August: 5mi

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

Keyser Valley, Pennsylvania, USA

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