August weather forecast
Shirleysburg, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Shirleysburg, Pennsylvania, with an average temperature ranging between max 81.3°F (27.4°C) and min 58.5°F (14.7°C).

Temperature

August's arrival registers an average high-temperature of a still warm 81.3°F (27.4°C), closely aligning with the temperature of the previous month. Despite a significant daily temperature range, Shirleysburg's temperature falls to a steady low-temperature average of 58.5°F (14.7°C) in August.

Heat index

During August, the heat index is computed to be a hot 86°F (30°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In August, the average relative humidity is 77%.

Rainfall

In Shirleysburg, in August, it is raining for 15.6 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 164.3 rainfall days, and 28.19" (716mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:25 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:44 pm EDT.

Sunshine

In Shirleysburg, the average sunshine in August is 10.2h.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 in August transforms into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What is the temperature in August?

Shirleysburg in August has an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 58.5°F (14.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the average humidity in August?

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

How much does it rain in August?

In Shirleysburg, in August, during 15.6 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

How many hours of daylight does Shirleysburg have in August?

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

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:09 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:44 pm EDT.

How long on average sun shines in August?

In Shirleysburg, the average sunshine duration in August is 10.2h.

What is the UV index reading in August in Shirleysburg?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Shirleysburg, PA

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

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in August
Shirleysburg, PA

Average pressure in August - Shirleysburg, 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
Shirleysburg, PA

Average wind speed in August - Shirleysburg, PA
  • Average wind speed in August: 4.3mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in August
Shirleysburg, PA

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

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).

Average rainfall in August
Shirleysburg, PA

Average rainfall in August - Shirleysburg, PA
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in August
Shirleysburg, PA

Average rainfall days in August - Shirleysburg, PA
  • Average rainfall days in August: 15.6 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (9.5 days).

Average snowfall in August
Shirleysburg, PA

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

The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Shirleysburg, PA

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

The month with the highest number of snowfall days is January (12.2 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
Shirleysburg, PA

Average daylight in August / Average sunshine in August - Shirleysburg, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in August
Shirleysburg, PA

Average sunshine days in August - Shirleysburg, PA
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in August
Shirleysburg, PA

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

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

Average cloud cover in August
Shirleysburg, PA

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

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in August
Shirleysburg, PA

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

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

Shirleysburg, Pennsylvania, USA

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