August weather forecast
Willow Grove, PA

Share

Weather in August

August, the last month of the summer in Willow Grove, is another warm month, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 66.7°F (19.3°C).

Temperature

The shift into August reveals an average high-temperature of a moderately hot 83.3°F (28.5°C), closely mirroring July's climate. Nightly temperatures in Willow Grove drop to an average low of 66.7°F (19.3°C) in August.

Heat index

The heat index in August is appraised at a hot 89.6°F (32°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

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

Rainfall

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

Snowfall

In Willow Grove, snow does not fall in May through October.

Daylight

In Willow Grove, the average length of the day in August 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 6:27 am and sunset at 7:33 pm EDT.

Sunshine

The average sunshine in August in Willow Grove is 10.2h.

UV index

The months with the highest UV index in Willow Grove are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 in August translates into these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
[Resources]

Frequently asked questions

Is it hot in Willow Grove during August?

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

What is the least humid month in Willow Grove?

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

What is the average humidity in August in Willow Grove?

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

What is the wettest month in Willow Grove?

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

How many days does it rain in August in Willow Grove?

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

When it does not snow in Willow Grove?

May through October are months without snowfall.

How many hours of daylight does Willow Grove have in August?

In August, the average day length in Willow Grove, Pennsylvania, is 13h and 43min.

When are sunrise and sunset in August in Willow Grove?

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, sunrise is at 6:27 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Willow Grove have in August?

The average sunshine duration in August in Willow Grove, Pennsylvania, is 10.2h.

What are the months with the highest UV index in Willow Grove?

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

What is the UV index reading in August in Willow Grove?

In Willow Grove, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Willow Grove, PA

Average temperature in August - Willow Grove, 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).

[Resources]

Average pressure in August
Willow Grove, PA

Average pressure in August - Willow Grove, 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).

[Resources]

Average wind speed in August
Willow Grove, PA

Average wind speed in August - Willow Grove, 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).

[Resources]

Average humidity in August
Willow Grove, PA

Average humidity in August - Willow Grove, 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%).

[Resources]

Average rainfall in August
Willow Grove, PA

Average rainfall in August - Willow Grove, 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").

[Resources]

Average rainfall days in August
Willow Grove, PA

Average rainfall days in August - Willow Grove, 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).

[Resources]

Average snowfall in August
Willow Grove, PA

Average snowfall in August - Willow Grove, 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").

[Resources]

Average snowfall days in August
Willow Grove, PA

Average snowfall days in August - Willow Grove, 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).

[Resources]

Average daylight in August /
Average sunshine in August
Willow Grove, PA

Average daylight in August / Average sunshine in August - Willow Grove, 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).

[Resources]

Average sunshine days in August
Willow Grove, PA

Average sunshine days in August - Willow Grove, 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).

[Resources]

Average UV index in August
Willow Grove, PA

Average UV index in August - Willow Grove, 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).

[Resources]

Average cloud cover in August
Willow Grove, PA

Average cloud cover in August - Willow Grove, 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).

[Resources]

Average visibility in August
Willow Grove, PA

Average visibility in August - Willow Grove, 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).

[Resources]

Willow Grove, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location