August weather forecast
Waynesboro, PA

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Weather in August

August, the last month of the summer in Waynesboro, is another warm month, with an average temperature varying between 62.1°F (16.7°C) and 81.9°F (27.7°C).

Temperature

With the onset of August, the average high-temperature registers at a still moderately hot 81.9°F (27.7°C), subtly different from July's 84°F (28.9°C). Throughout August, Waynesboro encounters an average temperature drop to a refreshing 62.1°F (16.7°C).

Heat index

The heat index in August is evaluated at a hot 87.8°F (31°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Heat index determinations are made taking into account the shade and light air movements. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

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

In August, the average length of the day is 13h and 41min.
On the first day of August, 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

The average sunshine in August is 10.1h.

UV index

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During August, 5 as the daily maximum UV index converts into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

In August, in Waynesboro, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 62.1°F (16.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the average humidity in August in Waynesboro?

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

How much does it rain in August?

In August, the rain falls for 14.8 days. Throughout August, 2.52" (64mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

How many hours of daylight does Waynesboro have in August?

The average day length in August is 13h and 41min.

What time are sunrise and sunset in August in Waynesboro?

On the first day of August, 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, the average sunshine duration in August is 10.1h.

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Waynesboro, Pennsylvania, USA

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