August weather forecast
Shady Grove, PA

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Weather in August

The last month of the summer, August, is another warm month in Shady Grove, Pennsylvania, with an average temperature varying between 82.9°F (28.3°C) and 60.4°F (15.8°C).

Temperature

The shift into August uncovers an average high-temperature of a still warm 82.9°F (28.3°C), subtly different from the previous month. Shady Grove registers a substantial downturn from daytime peaks throughout August nights, with an average low-temperature of 60.4°F (15.8°C).

Heat index

The heat index for August is calculated to be a hot 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. 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

In August, the average relative humidity is 76%.

Rainfall

In August, the rain falls for 15.8 days. Throughout August, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 158.9 rainfall days, and 26.1" (663mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Shady Grove, the average length of the day in August is 13h and 41min.
On the first day of August, sunrise is at 6:10 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:43 pm EDT.

Sunshine

In August, the average sunshine in Shady Grove is 10.4h.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 5 during August translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

How hot is it in August?

The average high-temperature and low-temperature during August are 82.9°F (28.3°C) and 60.4°F (15.8°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 76%.

How many days does it rain in August?

In Shady Grove, in August, during 15.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

When it does not snow?

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

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

In Shady Grove, the average day length in August is 13h and 41min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:10 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:43 pm EDT.

How long on average sun shines in August?

In Shady Grove, the average sunshine duration in August is 10.4h.

How high is the UV index in August?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium 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
Shady Grove, PA

Average temperature in August - Shady Grove, PA
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in August: 60.4°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 (22.5°F).

Average pressure in August
Shady Grove, PA

Average pressure in August - Shady Grove, PA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Shady Grove, PA

Average wind speed in August - Shady Grove, PA
  • Average wind speed in August: 4.1mph

The windiest months (with the highest average wind speed) are January and February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in August
Shady Grove, PA

Average humidity in August - Shady Grove, PA
  • Average humidity in August: 76%

The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in August
Shady Grove, PA

Average rainfall in August - Shady Grove, PA
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.69").

Average rainfall days in August
Shady Grove, PA

Average rainfall days in August - Shady Grove, PA
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in August
Shady Grove, PA

Average snowfall in August - Shady Grove, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Shady Grove, PA

Average snowfall days in August - Shady Grove, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.5 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
Shady Grove, PA

Average daylight in August / Average sunshine in August - Shady Grove, PA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in August
Shady Grove, PA

Average sunshine days in August - Shady Grove, PA
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in August
Shady Grove, PA

Average UV index in August - Shady Grove, PA
  • Average UV index in August: 5

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

Average cloud cover in August
Shady Grove, PA

Average cloud cover in August - Shady Grove, PA
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in August
Shady Grove, PA

Average visibility in August - Shady Grove, PA
  • Average visibility in August: 5mi

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

Shady Grove, Pennsylvania, USA

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