August weather forecast
Penllyn, PA

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Weather in August

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

Temperature

The arrival of August coincides with an average high-temperature of a warm 83.3°F (28.5°C), indicating a minimal shift from July's 86.2°F (30.1°C). Penllyn, during the nights of August, experiences an average temperature drop to a comfortable 66.7°F (19.3°C).

Heat index

August's heat index is appraised at a hot 89.6°F (32°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The months with the lowest humidity are April, July and August, with an average relative humidity of 72%.

Rainfall

The month with the most rainfall is August, when the rain falls for 12.7 days and typically aggregates up to 1.54" (39mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

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

Sunshine

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

UV index

The months with the highest UV index in Penllyn are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

During August, Penllyn experiences an average high-temperature of 83.3°F (28.5°C) and a low-temperature of 66.7°F (19.3°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 89.6°F (32°C).

What are the least humid months?

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

What is the average humidity in August?

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

What is the rainiest month?

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

How many days does it rain in August?

In Penllyn, in August, during 12.7 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow?

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

How many hours of daylight does Penllyn have in August?

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

When are sunrise and sunset in August?

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

How many hours of sunshine does Penllyn have in August?

In August, the average sunshine duration is 10.2h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

In Penllyn, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Penllyn, Pennsylvania, USA

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