August weather forecast
Newtown Square, PA

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Weather in August

The last month of the summer, August, is another warm month in Newtown Square, Pennsylvania, with an average temperature fluctuating between 66°F (18.9°C) and 82.9°F (28.3°C).

Temperature

As Newtown Square welcomes August, the average high-temperature is noted at a still moderately hot 82.9°F (28.3°C), closely aligning with the preceding month. Newtown Square witnesses a consistent average low-temperature of 66°F (18.9°C) throughout August.

Heat index

August's heat index is calculated to be a hot 89.6°F (32°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The months with the lowest humidity in Newtown Square are April, July and August, with an average relative humidity of 73%.

Rainfall

The month with the most rainfall in Newtown Square, Pennsylvania, is August, when the rain falls for 15.4 days and typically aggregates up to 2.72" (69mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Newtown Square, the average length of the day in August is 13h and 42min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:15 pm. On the last day of August, in Newtown Square, sunrise is at 6:29 am and sunset at 7:34 pm EDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

The months with the highest UV index in Newtown Square are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 6 in August leads to these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

How hot does it get in Newtown Square in August?

The average high-temperature and low-temperature in Newtown Square, Pennsylvania, during August are 82.9°F (28.3°C) and 66°F (18.9°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is calculated to be 89.6°F (32°C).

What is the least humid month in Newtown Square?

The months with the lowest humidity in Newtown Square are April, July and August, with an average relative humidity of 73%.

What is the average humidity in August in Newtown Square?

In Newtown Square, the average relative humidity in August is 73%.

What is the wettest month in Newtown Square?

August is the month with the most rainfall in Newtown Square, Pennsylvania. Rain falls for 15.4 days and accumulates 2.72" (69mm) of precipitation.

How much does it rain in Newtown Square in August?

In August, the rain falls for 15.4 days. Throughout August, 2.72" (69mm) of precipitation is accumulated.

When it does not snow in Newtown Square?

June through September are months without snowfall.

What is the average length of the day in August in Newtown Square?

The average day length in August is 13h and 42min.

When is the sunrise / sunset in August in Newtown Square?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:34 pm EDT.

How many hours of sunshine does Newtown Square have in August?

The average sunshine duration in August is 9.8h.

When is the highest UV index in Newtown Square?

The months with the highest UV index in Newtown Square, Pennsylvania, are May through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Newtown Square?

In Newtown Square, Pennsylvania, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Newtown Square, PA

Average temperature in August - Newtown Square, PA
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in August: 66°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in August
Newtown Square, PA

Average pressure in August - Newtown Square, PA
  • Average pressure in August: 29.99"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).

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Average wind speed in August
Newtown Square, PA

Average wind speed in August - Newtown Square, PA
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in August
Newtown Square, PA

Average humidity in August - Newtown Square, PA
  • Average humidity in August: 73%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April, July and August (73%).

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Average rainfall in August
Newtown Square, PA

Average rainfall in August - Newtown Square, PA
  • Average rainfall in August: 2.72"

The wettest month (with the highest rainfall) is August (2.72").
The driest months (with the least rainfall) are January, February and November (1.3").

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Average rainfall days in August
Newtown Square, PA

Average rainfall days in August - Newtown Square, PA
  • Average rainfall days in August: 15.4 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in August
Newtown Square, PA

Average snowfall in August - Newtown Square, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (1.93").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Newtown Square, PA

Average snowfall days in August - Newtown Square, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Newtown Square, PA

Average daylight in August / Average sunshine in August - Newtown Square, 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: 9h and 5min

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).

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Average sunshine days in August
Newtown Square, PA

Average sunshine days in August - Newtown Square, PA
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (12.7 days).

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Average UV index in August
Newtown Square, PA

Average UV index in August - Newtown Square, PA
  • Average UV index in August: 6

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

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Average cloud cover in August
Newtown Square, PA

Average cloud cover in August - Newtown Square, PA
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in August
Newtown Square, PA

Average visibility in August - Newtown Square, PA
  • Average visibility in August: 6mi

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

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Newtown Square, Pennsylvania, USA

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