August weather forecast
Greshville, PA

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Weather in August

August, the last month of the summer in Greshville, is also a moderately hot month, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 81.9°F (27.7°C).

Temperature

The beginning of August reveals an average high-temperature of a still warm 81.9°F (27.7°C), showing minimal deviation from the previous month. Throughout August nights, Greshville registers an average low-temperature of 63.9°F (17.7°C).

Heat index

Throughout August, the heat index is evaluated at a hot 87.8°F (31°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in August in Greshville is 76%.

Rainfall

The month with the most rainfall is August, when the rain falls for 15.1 days and typically aggregates up to 3.15" (80mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:16 pm. On the last day of August, in Greshville, Pennsylvania, sunrise is at 6:29 am and sunset at 7:35 pm EDT.

Sunshine

The average sunshine in August in Greshville is 10.1h.

UV index

The months with the highest UV index in Greshville are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime 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. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What is the average August temperature in Greshville?

In August, in Greshville, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 63.9°F (17.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in August in Greshville?

In August, the average relative humidity is 76%.

What is the rainiest month in Greshville?

August is the month with the most rainfall. Rain falls for 15.1 days and accumulates 3.15" (80mm) of precipitation.

How many days does it rain in August in Greshville?

In Greshville, Pennsylvania, in August, during 15.1 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

When it does not snow in Greshville?

May through October are months without snowfall in Greshville.

How many hours of daylight does Greshville have in August?

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

When are sunrise and sunset in August in Greshville?

On the first day of August in Greshville, sunrise is at 6:01 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:35 pm EDT.

How long on average sun shines in August in Greshville?

The average sunshine duration in August is 10.1h.

What are the months with the highest UV index in Greshville?

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

What is the UV index intensity in August in Greshville?

The average daily maximum UV index in August in Greshville, Pennsylvania, is 6. A UV Index value of 6 to 7 symbolizes a high health 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
Greshville, PA

Average temperature in August - Greshville, PA
  • Average high temperature in August: 81.9°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 (35.4°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in August
Greshville, PA

Average pressure in August - Greshville, PA
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Greshville, PA

Average wind speed in August - Greshville, PA
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in August
Greshville, PA

Average humidity in August - Greshville, PA
  • Average humidity in August: 76%

The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in August
Greshville, PA

Average rainfall in August - Greshville, PA
  • Average rainfall in August: 3.15"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in August
Greshville, PA

Average rainfall days in August - Greshville, PA
  • Average rainfall days in August: 15.1 days

The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in August
Greshville, PA

Average snowfall in August - Greshville, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Greshville, PA

Average snowfall days in August - Greshville, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Greshville, PA

Average daylight in August / Average sunshine in August - Greshville, 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: 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
Greshville, PA

Average sunshine days in August - Greshville, PA
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in August
Greshville, PA

Average UV index in August - Greshville, PA
  • 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, March, November and December (UV index 2).

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Average cloud cover in August
Greshville, PA

Average cloud cover in August - Greshville, PA
  • Average cloud cover in August: 34

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in August
Greshville, PA

Average visibility in August - Greshville, PA
  • 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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Greshville, Pennsylvania, USA

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