August weather forecast
Greensburg, PA

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Weather in August

August brings about a poignant change in temperature, signaling the end of the hot summer months in Greensburg. Though the city continues to see high temperatures, there is a minor retreat with the average high dropping to 80.8°F (27.1°C). Late-summer activities still entertain both residents and tourists, who are able to enjoy the tail end of the summer season. Nevertheless, the region remains susceptible to rainfall and thunderstorms, so it's wise to make flexible plans.

Temperature

Greensburg's August average high-temperature settles at a still warm 80.8°F (27.1°C), showing a near match with the preceding month. Throughout August, Greensburg braces for a considerable drop from daytime highs, with an average low-temperature of 58.6°F (14.8°C).

Heat index

The heat index value during August is calculated to be a hot 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

In August, the rain falls for 17.2 days. Throughout August, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 186 rainfall days, and 34.84" (885mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August in Greensburg, Pennsylvania, is 13h and 43min.
On the first day of August, 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.

Sunshine

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

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What is the usual temperature for Greensburg in August?

An average high-temperature, in August, in Greensburg, is 80.8°F (27.1°C) and the average low-temperature is 58.6°F (14.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is calculated to be 86°F (30°C).

What is the least humid month?

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

What is the average humidity in August?

The average relative humidity in August is 77%.

How many days does it rain in August?

In Greensburg, during August, the rain falls for 17.2 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow?

In Greensburg, 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 43min.

When are sunrise and 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?

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

How long on average sun shines in August?

In August, the average sunshine duration is 10.1h.

How high is the UV index in August?

In Greensburg, the average daily maximum UV index in August is 5. A UV Index reading 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
Greensburg, PA

Average temperature in August - 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
Greensburg, PA

Average pressure in August - 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
Greensburg, PA

Average wind speed in August - 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
Greensburg, PA

Average humidity in August - 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
Greensburg, PA

Average rainfall in August - 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
Greensburg, PA

Average rainfall days in August - 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
Greensburg, PA

Average snowfall in August - 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
Greensburg, PA

Average snowfall days in August - 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
Greensburg, PA

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

Average sunshine days in August - 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
Greensburg, PA

Average UV index in August - 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
Greensburg, PA

Average cloud cover in August - 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
Greensburg, PA

Average visibility in August - 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).

Greensburg, Pennsylvania, USA

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