August weather forecast
Saint Clairsville, PA

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Weather in August

August, the last month of the summer in Saint Clairsville, is another warm month, with an average temperature varying between 79.9°F (26.6°C) and 58.1°F (14.5°C).

Temperature

Saint Clairsville experiences a recorded average high-temperature of a still warm 79.9°F (26.6°C) in August, closely aligned with July's 82.2°F (27.9°C). August's nights in Saint Clairsville exhibit a sharp contrast from day highs, with an average temperature of 58.1°F (14.5°C).

Humidity

The average relative humidity in August is 78%.

Rainfall

In Saint Clairsville, Pennsylvania, during August, the rain falls for 13.4 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 126 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

Snowfall

In Saint Clairsville, snow does not fall in May through September.

Daylight

In August, the average length of the day in Saint Clairsville, Pennsylvania, is 13h and 43min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:41 am and sunset at 7:46 pm EDT.

Sunshine

The average sunshine in August in Saint Clairsville is 9.9h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 5 during August translates into the following directions:
Take precautions - Protection against sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What is the temperature in August in Saint Clairsville?

In August, in Saint Clairsville, the average high-temperature is 79.9°F (26.6°C), and the average low-temperature is 58.1°F (14.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in July is estimated at 87.8°F (31°C).

What is the average humidity in August in Saint Clairsville?

The average relative humidity in August is 78%.

How much does it rain in Saint Clairsville in August?

In August, in Saint Clairsville, the rain falls for 13.4 days. Throughout August, 1.46" (37mm) of precipitation is accumulated.

When it does not snow in Saint Clairsville?

May through September are months without snowfall.

How many hours of daylight does Saint Clairsville have in August?

In August, the average day length in Saint Clairsville, Pennsylvania, is 13h and 43min.

When are sunrise and sunset in August in Saint Clairsville?

In August, on the first day of the month, sunrise is at 6:12 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:46 pm EDT.

How many hours of sunshine does Saint Clairsville have in August?

The average sunshine duration in August in Saint Clairsville, Pennsylvania, is 9.9h.

How high is the UV index in August in Saint Clairsville?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Saint Clairsville, PA

Average temperature in August - Saint Clairsville, PA
  • Average high temperature in August: 79.9°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in August: 58.1°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 (20.1°F).

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Average pressure in August
Saint Clairsville, PA

Average pressure in August - Saint Clairsville, PA
  • Average pressure in August: 30"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).

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Average wind speed in August
Saint Clairsville, PA

Average wind speed in August - Saint Clairsville, PA
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in August
Saint Clairsville, PA

Average humidity in August - Saint Clairsville, PA
  • Average humidity in August: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in August
Saint Clairsville, PA

Average rainfall in August - Saint Clairsville, PA
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in August
Saint Clairsville, PA

Average rainfall days in August - Saint Clairsville, PA
  • Average rainfall days in August: 13.4 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6 days).

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Average snowfall in August
Saint Clairsville, PA

Average snowfall in August - Saint Clairsville, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Saint Clairsville, PA

Average snowfall days in August - Saint Clairsville, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Saint Clairsville, PA

Average daylight in August / Average sunshine in August - Saint Clairsville, PA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in August
Saint Clairsville, PA

Average sunshine days in August - Saint Clairsville, PA
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is May (12.8 days).

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Average UV index in August
Saint Clairsville, PA

Average UV index in August - Saint Clairsville, PA
  • Average UV index in August: 5

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

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Average cloud cover in August
Saint Clairsville, PA

Average cloud cover in August - Saint Clairsville, PA
  • Average cloud cover in August: 36

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in August
Saint Clairsville, PA

Average visibility in August - Saint Clairsville, PA
  • Average visibility in August: 5mi

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

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Saint Clairsville, Pennsylvania, USA

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