August weather forecast
Penllyn, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Penllyn, Pennsylvania, with an average temperature ranging between max 83.3°F (28.5°C) and min 66.7°F (19.3°C).

Temperature

The arrival of August brings an average high-temperature of a moderately hot 83.3°F (28.5°C), subtly diverging from July's 86.2°F (30.1°C). The temperature lowers to an average of 66.7°F (19.3°C) during August nights.

Heat index

In August, the average heat index is evaluated at a hot 89.6°F (32°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

April, July and August, with an average relative humidity of 72%, are the least humid months in Penllyn.

Rainfall

August is the month with the most rainfall in Penllyn, Pennsylvania. Rain falls for 12.7 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

In Penllyn, snow does not fall in May through October.

Daylight

In August, the average length of the day in Penllyn is 13h and 43min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:33 pm EDT.

Sunshine

In August, the average sunshine is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

Is it hot in Penllyn during August?

In August, in Penllyn, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 66.7°F (19.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is evaluated at 89.6°F (32°C).

What is the least humid month in Penllyn?

April, July and August, with an average relative humidity of 72%, are the least humid months in Penllyn, Pennsylvania.

What is the average humidity in August in Penllyn?

In August, the average relative humidity in Penllyn is 72%.

What is the rainiest month in Penllyn?

August is the month with the most rainfall in Penllyn, Pennsylvania. Rain falls for 12.7 days and accumulates 1.54" (39mm) of precipitation.

How many days does it rain in August in Penllyn?

In Penllyn, in August, it is raining for 12.7 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Penllyn?

In Penllyn, snow does not fall in May through October.

What is the average length of the day in August in Penllyn?

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

When are sunrise and sunset in August in Penllyn?

On the first day of August in Penllyn, sunrise is at 5:59 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Penllyn have in August?

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

When is the highest UV index in Penllyn?

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

What is the UV index intensity in August in Penllyn?

The average daily maximum UV index in August in Penllyn, Pennsylvania, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Penllyn, PA

Average temperature in August - Penllyn, PA
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

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Average pressure in August
Penllyn, PA

Average pressure in August - Penllyn, 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
Penllyn, PA

Average wind speed in August - Penllyn, PA
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in August
Penllyn, PA

Average humidity in August - Penllyn, PA
  • Average humidity in August: 72%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in August
Penllyn, PA

Average rainfall in August - Penllyn, PA
  • Average rainfall in August: 1.54"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").

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Average rainfall days in August
Penllyn, PA

Average rainfall days in August - Penllyn, PA
  • Average rainfall days in August: 12.7 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).

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Average snowfall in August
Penllyn, PA

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

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Penllyn, PA

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

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Penllyn, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in August
Penllyn, PA

Average sunshine days in August - Penllyn, PA
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).

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Average UV index in August
Penllyn, PA

Average UV index in August - Penllyn, 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
Penllyn, PA

Average cloud cover in August - Penllyn, PA
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in August
Penllyn, PA

Average visibility in August - Penllyn, 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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Penllyn, Pennsylvania, USA

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