August weather forecast
Southwest Greensburg, PA

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Weather in August

The last month of the summer, August, is another warm month in Southwest Greensburg, Pennsylvania, with an average temperature varying between 80.8°F (27.1°C) and 58.6°F (14.8°C).

Temperature

Southwest Greensburg, Pennsylvania, experiences a transition to a still moderately hot 80.8°F (27.1°C) in average high-temperatures with the arrival of August, not greatly differing from July's 82°F (27.8°C). Contrasted against daytime highs, Southwest Greensburg records an average nighttime low of 58.6°F (14.8°C) in August.

Heat index

In August, the heat index is estimated at a tropical 86°F (30°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

April, July and August, with an average relative humidity of 77%, are the least humid months.

Rainfall

In Southwest Greensburg, during August, the rain falls for 17.2 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Southwest Greensburg, during the entire year, the rain falls for 186 days and collects up to 34.84" (885mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Southwest Greensburg, the average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:16 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:45 am and sunset at 7:51 pm EDT.

Sunshine

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

UV index

In Southwest Greensburg, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 5 in August translates into these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

The high-temperature, in August, in Southwest Greensburg, records 80.8°F (27.1°C), while the low-temperature is 58.6°F (14.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 86°F (30°C).

What is the least humid month?

April, July and August, with an average relative humidity of 77%, are the least humid months.

What is the average humidity in August?

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

How much does it rain in August?

In Southwest Greensburg, in August, during 17.2 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 43min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:16 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 7:51 pm EDT.

What month has the most sunshine?

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

How many hours of sunshine does Southwest Greensburg have in August?

In Southwest Greensburg, the average sunshine duration in August is 10.1h.

What is the UV index reading in August?

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Southwest Greensburg, PA

Average temperature in August - Southwest Greensburg, PA
  • Average high temperature in August: 80.8°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in August: 58.6°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in August
Southwest Greensburg, PA

Average pressure in August - Southwest Greensburg, PA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Southwest Greensburg, PA

Average wind speed in August - Southwest Greensburg, PA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
Southwest Greensburg, PA

Average humidity in August - Southwest Greensburg, PA
  • Average humidity in August: 77%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in August
Southwest Greensburg, PA

Average rainfall in August - Southwest Greensburg, PA
  • Average rainfall in August: 2.48"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in August
Southwest Greensburg, PA

Average rainfall days in August - Southwest Greensburg, PA
  • Average rainfall days in August: 17.2 days

The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in August
Southwest Greensburg, PA

Average snowfall in August - Southwest Greensburg, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Southwest Greensburg, PA

Average snowfall days in August - Southwest Greensburg, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Southwest Greensburg, PA

Average daylight in August / Average sunshine in August - Southwest Greensburg, 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 August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in August
Southwest Greensburg, PA

Average sunshine days in August - Southwest Greensburg, PA
  • Average sunshine days in August: 12.2 days

The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.4 days).

Average UV index in August
Southwest Greensburg, PA

Average UV index in August - Southwest Greensburg, PA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Southwest Greensburg, PA

Average cloud cover in August - Southwest Greensburg, PA
  • Average cloud cover in August: 35

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in August
Southwest Greensburg, PA

Average visibility in August - Southwest Greensburg, PA
  • Average visibility in August: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Southwest Greensburg, Pennsylvania, USA

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