August weather forecast
Orrstown, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Orrstown, Pennsylvania, with an average temperature ranging between max 81.7°F (27.6°C) and min 61.3°F (16.3°C).

Temperature

The introduction of August sees an average high-temperature of a still moderately hot 81.7°F (27.6°C), hardly deviating from July. Nighttime temperature dips to a mean of 61.3°F (16.3°C) during August.

Heat index

The heat index value during August is estimated at a hot 87.8°F (31°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', comes about by integrating the temperature readings with the humidity levels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity is 78%.

Rainfall

In Orrstown, in August, during 15.8 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 156 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Snowfall

In Orrstown, snow does not fall in June through September.

Daylight

The average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:43 pm EDT.

Sunshine

In August, the average sunshine is 10.1h.

UV index

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during August translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What is the usual temperature for Orrstown in August?

An average high-temperature, in August, in Orrstown, is 81.7°F (27.6°C) and the average low-temperature is 61.3°F (16.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in August?

The average relative humidity in August is 78%.

How much does it rain in August?

In Orrstown, in August, it is raining for 15.8 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow in Orrstown?

In Orrstown, snow does not fall in June through September.

How many hours of daylight does Orrstown have in August?

In Orrstown, the average day length in August 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 8:24 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:43 pm EDT.

How long on average sun shines in August in Orrstown?

In Orrstown, the average sunshine duration in August is 10.1h.

What is the UV index reading in August?

In Orrstown, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to 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
Orrstown, PA

Average temperature in August - Orrstown, PA
  • Average high temperature in August: 81.7°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in August
Orrstown, PA

Average pressure in August - Orrstown, 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
Orrstown, PA

Average wind speed in August - Orrstown, PA
  • Average wind speed in August: 4.5mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in August
Orrstown, PA

Average humidity in August - Orrstown, PA
  • Average humidity in August: 78%

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

Average rainfall in August
Orrstown, PA

Average rainfall in August - Orrstown, PA
  • Average rainfall in August: 2.56"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in August
Orrstown, PA

Average rainfall days in August - Orrstown, PA
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in August
Orrstown, PA

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

The month with the highest snowfall is January (4.92").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Orrstown, PA

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

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Orrstown, 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 February (Average sunshine: 4h and 24min).

Average sunshine days in August
Orrstown, PA

Average sunshine days in August - Orrstown, PA
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.6 days).

Average UV index in August
Orrstown, PA

Average UV index in August - Orrstown, 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
Orrstown, PA

Average cloud cover in August - Orrstown, PA
  • Average cloud cover in August: 35

The months with the most cloud cover are January, February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in August
Orrstown, PA

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

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

Orrstown, Pennsylvania, USA

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