August weather forecast
Chapman, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Chapman, Pennsylvania, with an average temperature fluctuating between 81.1°F (27.3°C) and 61.5°F (16.4°C).

Temperature

As Chapman welcomes August, the average high-temperature stabilizes at a still warm 81.1°F (27.3°C), showing little deviation from July's 83.8°F (28.8°C). Throughout August, Chapman experiences a low-temperature average of 61.5°F (16.4°C).

Heat index

Throughout August, the heat index is evaluated at a hot 86°F (30°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. 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

In August, the average relative humidity in Chapman, Pennsylvania, is 77%.

Rainfall

In Chapman, during August, the rain falls for 14.7 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 155.8 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 45min.
On the first day of August, sunrise is at 5:58 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:35 pm EDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In August, an average UV index of 5 transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

In Chapman, 81.1°F (27.3°C) is the average high-temperature and 61.5°F (16.4°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 77%.

How many days does it rain in August?

In Chapman, during August, the rain falls for 14.7 days and regularly aggregates up to 2.87" (73mm) of precipitation.

When it does not snow?

In Chapman, Pennsylvania, snow does not fall in June through September.

How many hours of daylight does Chapman have in August?

In Chapman, the average day length in August is 13h and 45min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 5:58 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:35 pm EDT.

How many hours of sunshine does Chapman have in August?

The average sunshine duration in August is 9.8h.

How high is the UV index in August?

In Chapman, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Chapman, PA

Average temperature in August - Chapman, PA
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in August: 61.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in August
Chapman, PA

Average pressure in August - Chapman, 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).

Average wind speed in August
Chapman, PA

Average wind speed in August - Chapman, PA
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in August
Chapman, PA

Average humidity in August - Chapman, PA
  • Average humidity in August: 77%

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

Average rainfall in August
Chapman, PA

Average rainfall in August - Chapman, PA
  • Average rainfall in August: 2.87"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in August
Chapman, PA

Average rainfall days in August - Chapman, PA
  • Average rainfall days in August: 14.7 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in August
Chapman, PA

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

The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Chapman, PA

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

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Chapman, 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 18min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in August
Chapman, PA

Average sunshine days in August - Chapman, PA
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in August
Chapman, PA

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

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

Average cloud cover in August
Chapman, PA

Average cloud cover in August - Chapman, PA
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in August
Chapman, PA

Average visibility in August - Chapman, PA
  • Average visibility in August: 5mi

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

Chapman, Pennsylvania, USA

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