August weather forecast
Old Zionsville, PA

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Weather in August

August, the last month of the summer in Old Zionsville, is another warm month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 81.3°F (27.4°C).

Temperature

Old Zionsville's weather, upon August's arrival, documents an average high-temperature of a still moderately hot 81.3°F (27.4°C), nearly identical to the prior month. During August, Old Zionsville experiences an average low-temperature of 62.6°F (17°C) at night.

Heat index

Throughout August, the heat index is calculated to be a tropical 86°F (30°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. 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 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 remain especially vital for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

The average relative humidity in August is 77%.

Rainfall

In August, the rain falls for 15.4 days. Throughout August, 3.07" (78mm) of precipitation is accumulated. Throughout the year, there are 156.9 rainfall days, and 33.15" (842mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

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

Sunshine

The average sunshine in August is 9.8h.

UV index

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During August, 5 as the daily maximum UV index converts into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

During August, Old Zionsville 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. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 86°F (30°C).

What is the average humidity in August?

The average relative humidity in August in Old Zionsville is 77%.

How many days does it rain in August?

In Old Zionsville, Pennsylvania, in August, during 15.4 rainfall days, 3.07" (78mm) of precipitation is typically accumulated.

When it does not snow in Old Zionsville?

In Old Zionsville, snow does not fall in June through September.

How many hours of daylight does Old Zionsville have in August?

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

When is the sunrise / sunset in August?

In August, on the first day of the month, 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 long on average sun shines in August?

In Old Zionsville, the average sunshine duration in August is 9.8h.

What is the UV index reading in August?

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

Average temperature in August - Old Zionsville, 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
Old Zionsville, PA

Average pressure in August - Old Zionsville, 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
Old Zionsville, PA

Average wind speed in August - Old Zionsville, 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
Old Zionsville, PA

Average humidity in August - Old Zionsville, 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
Old Zionsville, PA

Average rainfall in August - Old Zionsville, 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
Old Zionsville, PA

Average rainfall days in August - Old Zionsville, 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
Old Zionsville, PA

Average snowfall in August - Old Zionsville, 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
Old Zionsville, PA

Average snowfall days in August - Old Zionsville, 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
Old Zionsville, PA

Average daylight in August / Average sunshine in August - Old Zionsville, 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
Old Zionsville, PA

Average sunshine days in August - Old Zionsville, 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
Old Zionsville, PA

Average UV index in August - Old Zionsville, 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
Old Zionsville, PA

Average cloud cover in August - Old Zionsville, 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
Old Zionsville, PA

Average visibility in August - Old Zionsville, 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).

Old Zionsville, Pennsylvania, USA

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