August weather forecast
Charleroi, PA

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Weather in August

The last month of the summer, August, is another warm month in Charleroi, Pennsylvania, with an average temperature ranging between min 59.7°F (15.4°C) and max 81.9°F (27.7°C).

Temperature

August's onset sees an average high-temperature of a still moderately hot 81.9°F (27.7°C), exhibiting a slight fluctuation from the previous month. Charleroi in August observes a substantial swing from the daily highs, with average nighttime temperatures of 59.7°F (15.4°C).

Heat index

In August, the heat index is estimated at a hot 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The least humid month is August, with an average relative humidity of 76%.

Rainfall

In Charleroi, in August, it is raining for 17.7 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, in Charleroi, there are 191.3 rainfall days, and 35.24" (895mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of August, sunrise is at 6:18 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:52 pm EDT.

Sunshine

With an average of 10.2h of sunshine, August has the most sunshine of the year in Charleroi.

UV index

In Charleroi, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 5 in August suggests the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

The average high-temperature, in August, in Charleroi, is 81.9°F (27.7°C), while the average low-temperature is 59.7°F (15.4°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 76%.

What is the average humidity in August?

In Charleroi, the average relative humidity in August is 76%.

How much does it rain in August?

In Charleroi, in August, during 17.7 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When it does not snow in Charleroi?

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

How many hours of daylight does Charleroi have in August?

In Charleroi, 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 6:18 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:52 pm EDT.

What month has the most sunshine?

With an average of 10.2h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August?

The average sunshine duration in August is 10.2h.

How high is the UV index in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Charleroi, PA

Average temperature in August - Charleroi, PA
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in August: 59.7°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in August
Charleroi, PA

Average pressure in August - Charleroi, 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).

Average wind speed in August
Charleroi, PA

Average wind speed in August - Charleroi, PA
  • Average wind speed in August: 4.6mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in August
Charleroi, PA

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

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).

Average rainfall in August
Charleroi, PA

Average rainfall in August - Charleroi, PA
  • Average rainfall in August: 2.52"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in August
Charleroi, PA

Average rainfall days in August - Charleroi, PA
  • Average rainfall days in August: 17.7 days

The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).

Average snowfall in August
Charleroi, PA

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

The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Charleroi, PA

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

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Charleroi, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in August
Charleroi, PA

Average sunshine days in August - Charleroi, PA
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (14.3 days).
The month with the least sunshine days is January (6.8 days).

Average UV index in August
Charleroi, PA

Average UV index in August - Charleroi, PA
  • Average UV index in August: 5

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

Average cloud cover in August
Charleroi, PA

Average cloud cover in August - Charleroi, PA
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
Charleroi, PA

Average visibility in August - Charleroi, PA
  • Average visibility in August: 6mi

The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January and February (4mi).

Charleroi, Pennsylvania, USA

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