August weather forecast
Forest Hills, PA

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Weather in August

The last month of the summer, August, is another warm month in Forest Hills, Pennsylvania, with an average temperature ranging between min 60.8°F (16°C) and max 81.9°F (27.7°C).

Temperature

Forest Hills marks the onset of August with an average high-temperature of a still warm 81.9°F (27.7°C), a subtle shift from July's 83.7°F (28.7°C). Forest Hills observes an average nighttime temperature of 60.8°F (16°C) during August.

Heat index

In August, the average heat index is estimated at a tropical 87.8°F (31°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. 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 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 75%.

Rainfall

In Forest Hills, during August, the rain falls for 17.4 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, there are 182.2 rainfall days, and 34.84" (885mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 44min.
On the first day of August, sunrise is at 6:17 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:52 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.1h of sunshine.

UV index

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: During August, 5 as the daily maximum UV index converts into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

The high-temperature, in August, in Forest Hills, records 81.9°F (27.7°C), while the low-temperature is 60.8°F (16°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What are the least humid months?

July and August, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in August in Forest Hills?

In Forest Hills, the average relative humidity in August is 75%.

How many days does it rain in August?

In Forest Hills, during August, the rain falls for 17.4 days and regularly aggregates up to 2.56" (65mm) of precipitation.

When it does not snow?

In Forest Hills, snow does not fall in June through September.

How many hours of daylight does Forest Hills have in August?

In Forest Hills, the average day length in August is 13h and 44min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:17 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:52 pm EDT.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.1h of sunshine.

How many hours of sunshine does Forest Hills have in August?

The average sunshine duration in August is 10.1h.

What is the UV index intensity in August?

In Forest Hills, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
Forest Hills, PA

Average temperature in August - Forest Hills, PA
  • Average high temperature in August: 81.9°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: 60.8°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in August
Forest Hills, PA

Average pressure in August - Forest Hills, PA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Forest Hills, PA

Average wind speed in August - Forest Hills, PA
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in August
Forest Hills, PA

Average humidity in August - Forest Hills, PA
  • Average humidity in August: 75%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in August
Forest Hills, PA

Average rainfall in August - Forest Hills, PA
  • Average rainfall in August: 2.56"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is November (2.17").

Average rainfall days in August
Forest Hills, PA

Average rainfall days in August - Forest Hills, PA
  • Average rainfall days in August: 17.4 days

The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is February (10.4 days).

Average snowfall in August
Forest Hills, PA

Average snowfall in August - Forest Hills, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Forest Hills, PA

Average snowfall days in August - Forest Hills, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Forest Hills, PA

Average daylight in August / Average sunshine in August - Forest Hills, 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 18min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in August
Forest Hills, PA

Average sunshine days in August - Forest Hills, PA
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.4 days).

Average UV index in August
Forest Hills, PA

Average UV index in August - Forest Hills, PA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Forest Hills, PA

Average cloud cover in August - Forest Hills, PA
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in August
Forest Hills, PA

Average visibility in August - Forest Hills, PA
  • Average visibility in August: 6mi

The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January and February (4mi).

Forest Hills, Pennsylvania, USA

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