August weather forecast
Porters Mill, PA

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Weather in August

The last month of the summer, August, is another warm month in Porters Mill, Pennsylvania, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 63.9°F (17.7°C).

Temperature

August reports an average high-temperature of a still warm 81.9°F (27.7°C), slightly varied from July's 84.2°F (29°C). Porters Mill observes an average nighttime low-temperature of 63.9°F (17.7°C) during the month of August.

Heat index

August's heat index is computed to be a tropical 87.8°F (31°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. 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 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

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

Rainfall

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

Snowfall

In Porters Mill, snow does not fall in May through October.

Daylight

In Porters Mill, Pennsylvania, the average length of the day in August is 13h and 43min.
On the first day of August in Porters Mill, Pennsylvania, 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.

Sunshine

In Porters Mill, the average sunshine in August is 10.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the UV index of 6 transforms into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Porters Mill?

The high-temperature, in August, in Porters Mill, is 81.9°F (27.7°C), while the low-temperature averages to 63.9°F (17.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in August in Porters Mill?

In Porters Mill, Pennsylvania, the average relative humidity in August is 76%.

What is the rainiest month in Porters Mill?

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.

How many days does it rain in August in Porters Mill?

In Porters Mill, Pennsylvania, during August, the rain falls for 15.1 days and regularly aggregates up to 3.15" (80mm) of precipitation.

When it does not snow in Porters Mill?

In Porters Mill, snow does not fall in May through October.

How many hours of daylight does Porters Mill have in August?

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

What time are sunrise and sunset in August in Porters Mill?

In August, on the first day of the month, 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 many hours of sunshine does Porters Mill have in August?

In August, the average sunshine duration in Porters Mill, Pennsylvania, is 10.1h.

What is the month with the highest UV index in Porters Mill?

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

What is the UV index intensity in August in Porters Mill?

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

Average temperature in August - Porters Mill, 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).

Average pressure in August
Porters Mill, PA

Average pressure in August - Porters Mill, 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
Porters Mill, PA

Average wind speed in August - Porters Mill, 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).

Average humidity in August
Porters Mill, PA

Average humidity in August - Porters Mill, 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%).

Average rainfall in August
Porters Mill, PA

Average rainfall in August - Porters Mill, 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").

Average rainfall days in August
Porters Mill, PA

Average rainfall days in August - Porters Mill, 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).

Average snowfall in August
Porters Mill, PA

Average snowfall in August - Porters Mill, 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").

Average snowfall days in August
Porters Mill, PA

Average snowfall days in August - Porters Mill, 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).

Average daylight in August /
Average sunshine in August
Porters Mill, PA

Average daylight in August / Average sunshine in August - Porters Mill, 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).

Average sunshine days in August
Porters Mill, PA

Average sunshine days in August - Porters Mill, 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).

Average UV index in August
Porters Mill, PA

Average UV index in August - Porters Mill, 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).

Average cloud cover in August
Porters Mill, PA

Average cloud cover in August - Porters Mill, 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).

Average visibility in August
Porters Mill, PA

Average visibility in August - Porters Mill, 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).

Porters Mill, Pennsylvania, USA

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