August weather forecast
Macungie, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Macungie, Pennsylvania, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 62.6°F (17°C).

Temperature

The weather during August records an average high-temperature of a still moderately hot 81.3°F (27.4°C), closely mirroring the preceding month. Macungie experiences a mean temperature of 62.6°F (17°C) during August nights.

Heat index

For most parts of August, the heat index is estimated at a hot 86°F (30°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

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

Rainfall

In Macungie, in August, during 15.4 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, in Macungie, there are 156.9 rainfall days, and 33.15" (842mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:29 am and sunset at 7:35 pm EDT.

Sunshine

In August, the average sunshine is 9.8h.

UV index

In Macungie, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 5 in August transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What are the temperatures in August?

During August, Macungie experiences an average high-temperature of 81.3°F (27.4°C) and a low-temperature of 62.6°F (17°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 estimated at 86°F (30°C).

What is the average humidity in August?

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

How many days does it rain in August?

In Macungie, in August, it is raining for 15.4 days, with typically 3.07" (78mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Macungie have in August?

In Macungie, the average day length in August is 13h and 44min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:00 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 Macungie have in August?

In August, the average sunshine duration is 9.8h.

How high is the UV index in August?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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
Macungie, PA

Average temperature in August - Macungie, PA
  • Average high temperature in August: 81.3°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in August
Macungie, PA

Average pressure in August - Macungie, 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
Macungie, PA

Average wind speed in August - Macungie, 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
Macungie, PA

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

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).

Average rainfall in August
Macungie, PA

Average rainfall in August - Macungie, PA
  • Average rainfall in August: 3.07"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in August
Macungie, PA

Average rainfall days in August - Macungie, PA
  • Average rainfall days in August: 15.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in August
Macungie, PA

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

The month with the highest snowfall is March (5.16").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Macungie, PA

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Macungie, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in August
Macungie, PA

Average sunshine days in August - Macungie, PA
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in August
Macungie, PA

Average UV index in August - Macungie, 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
Macungie, PA

Average cloud cover in August - Macungie, 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
Macungie, PA

Average visibility in August - Macungie, 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).

Macungie, Pennsylvania, USA

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