August weather forecast
Waynesboro, PA

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Weather in August

August, the last month of the summer in Waynesboro, is also a moderately hot month, with an average temperature fluctuating between 62.1°F (16.7°C) and 81.9°F (27.7°C).

Temperature

The arrival of August sees an average high-temperature of a still moderately hot 81.9°F (27.7°C), hardly diverging from July's 84°F (28.9°C). Waynesboro, during the nights of August, experiences an average temperature drop to an enjoyable 62.1°F (16.7°C).

Heat index

For most parts of August, the heat index is appraised at a hot 87.8°F (31°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

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

Rainfall

In Waynesboro, in August, during 14.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, there are 158.5 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

In Waynesboro, snow does not fall in May through September.

Daylight

The average length of the day in August is 13h and 41min.
On the first day of August in Waynesboro, sunrise is at 6:10 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:42 pm EDT.

Sunshine

In August, the average sunshine is 10.1h.

UV index

In Waynesboro, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 5 in August translates into these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What are the temperatures in Waynesboro in August?

During August, Waynesboro experiences an average high-temperature of 81.9°F (27.7°C) and a low-temperature of 62.1°F (16.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is appraised at 87.8°F (31°C).

What is the average humidity in August in Waynesboro?

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

How much does it rain in Waynesboro in August?

In Waynesboro, Pennsylvania, in August, it is raining for 14.8 days, with typically 2.52" (64mm) of accumulated precipitation.

When it does not snow in Waynesboro?

In Waynesboro, Pennsylvania, snow does not fall in May through September.

How many hours of daylight does Waynesboro have in August?

In Waynesboro, the average day length in August is 13h and 41min.

When is the sunrise / sunset in August in Waynesboro?

On the first day of August in Waynesboro, Pennsylvania, sunrise is at 6:10 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:42 pm EDT.

How long on average sun shines in August in Waynesboro?

In August, the average sunshine duration is 10.1h.

How high is the UV index in August in Waynesboro?

In Waynesboro, the average daily maximum UV index in August is 5. A UV Index estimate 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
Waynesboro, PA

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

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in August
Waynesboro, PA

Average pressure in August - Waynesboro, 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).

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Average wind speed in August
Waynesboro, PA

Average wind speed in August - Waynesboro, 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).

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Average humidity in August
Waynesboro, PA

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

The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in August
Waynesboro, PA

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

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in August
Waynesboro, PA

Average rainfall days in August - Waynesboro, PA
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in August
Waynesboro, PA

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

The month with the highest snowfall is January (6.81").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Waynesboro, PA

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

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Waynesboro, PA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in August
Waynesboro, PA

Average sunshine days in August - Waynesboro, PA
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in August
Waynesboro, PA

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

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

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Average cloud cover in August
Waynesboro, PA

Average cloud cover in August - Waynesboro, PA
  • Average cloud cover in August: 34

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in August
Waynesboro, PA

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

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

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Waynesboro, Pennsylvania, USA

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