August weather forecast
Heise Run, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Heise Run, Pennsylvania, with an average temperature varying between 77°F (25°C) and 55°F (12.8°C).

Temperature

The arrival of August sees an average high-temperature of a still warm 77°F (25°C), hardly diverging from July's 79.3°F (26.3°C). Despite the stark contrast with daytime temperatures, Heise Run's August nights average at a fresh 55°F (12.8°C).

Humidity

The average relative humidity in August is 80%.

Rainfall

In Heise Run, in August, it is raining for 17.2 days, with typically 2.4" (61mm) of accumulated precipitation. In Heise Run, during the entire year, the rain falls for 175.2 days and collects up to 30.39" (772mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 49min.
On the first day of August, sunrise is at 6:04 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:43 pm EDT.

Sunshine

In August, the average sunshine is 9.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

The average high-temperature and low-temperature during August are 77°F (25°C) and 55°F (12.8°C) respectively.

What is the average humidity in August?

The average relative humidity in August is 80%.

How many days does it rain in August?

In August, the rain falls for 17.2 days. Throughout August, 2.4" (61mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 49min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:04 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:43 pm EDT.

How many hours of sunshine does Heise Run have in August?

In Heise Run, the average sunshine duration in August is 9.7h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index intensity in August?

In August, the average daily maximum UV index 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
Heise Run, PA

Average temperature in August - Heise Run, PA
  • Average high temperature in August: 77°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in August: 55°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in August
Heise Run, PA

Average pressure in August - Heise Run, PA
  • Average pressure in August: 30"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
Heise Run, PA

Average wind speed in August - Heise Run, PA
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in August
Heise Run, PA

Average humidity in August - Heise Run, PA
  • Average humidity in August: 80%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is June (78%).

Average rainfall in August
Heise Run, PA

Average rainfall in August - Heise Run, PA
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is April (3.35").
The driest month (with the least rainfall) is November (1.97").

Average rainfall days in August
Heise Run, PA

Average rainfall days in August - Heise Run, PA
  • Average rainfall days in August: 17.2 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.5 days).

Average snowfall in August
Heise Run, PA

Average snowfall in August - Heise Run, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (9.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Heise Run, PA

Average snowfall days in August - Heise Run, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Heise Run, PA

Average daylight in August / Average sunshine in August - Heise Run, PA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in August
Heise Run, PA

Average sunshine days in August - Heise Run, PA
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.4 days).

Average UV index in August
Heise Run, PA

Average UV index in August - Heise Run, PA
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in August
Heise Run, PA

Average cloud cover in August - Heise Run, PA
  • Average cloud cover in August: 39

The month with the most cloud cover is December (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 39).

Average visibility in August
Heise Run, PA

Average visibility in August - Heise Run, PA
  • Average visibility in August: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Heise Run, Pennsylvania, USA

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