August weather forecast
Rook, PA

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Weather in August

The last month of the summer, August, is another warm month in Rook, Pennsylvania, with an average temperature ranging between max 82.2°F (27.9°C) and min 61.2°F (16.2°C).

Temperature

The start of August sees the average high-temperature at a still moderately hot 82.2°F (27.9°C), showing little difference from July's 83.8°F (28.8°C). Rook experiences an average low-temperature reading of 61.2°F (16.2°C) throughout August.

Heat index

In August, the heat index is computed to be a tropical 87.8°F (31°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

August is the least humid month, with an average relative humidity of 73%.

Rainfall

In Rook, in August, during 16.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, in Rook, there are 164 rainfall days, and 26.89" (683mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Rook.

Daylight

The average length of the day in August in Rook, Pennsylvania, is 13h and 44min.
On the first day of August, sunrise is at 6:18 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:53 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.1h of sunshine.

UV index

In Rook, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In August, the UV index of 5 transforms into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the usual temperature for Rook in August?

In Rook, in August, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 61.2°F (16.2°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 87.8°F (31°C).

What is the least humid month in Rook?

The least humid month in Rook, Pennsylvania, is August, with an average relative humidity of 73%.

What is the average humidity in August in Rook?

In Rook, Pennsylvania, the average relative humidity in August is 73%.

How much does it rain in Rook in August?

In Rook, Pennsylvania, in August, during 16.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Rook?

In Rook, snow does not fall in May through September.

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

In August, the average day length is 13h and 44min.

What time are sunrise and sunset in August in Rook?

On the first day of August in Rook, sunrise is at 6:18 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:53 pm EDT.

What month has the most sunshine in Rook?

The month with the most sunshine in Rook, Pennsylvania, is August, with an average of 10.1h of sunshine.

How long on average sun shines in August in Rook?

In Rook, the average sunshine duration in August is 10.1h.

What is the UV index intensity in August in Rook?

In August, the average daily maximum UV index in Rook, Pennsylvania, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Rook, PA

Average temperature in August - Rook, PA
  • Average high temperature in August: 82.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 61.2°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in August
Rook, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
Rook, PA

Average wind speed in August - Rook, PA
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in August
Rook, PA

Average humidity in August - Rook, PA
  • Average humidity in August: 73%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (73%).

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Average rainfall in August
Rook, PA

Average rainfall in August - Rook, PA
  • Average rainfall in August: 1.97"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.61").

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Average rainfall days in August
Rook, PA

Average rainfall days in August - Rook, PA
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in August
Rook, PA

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

The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Rook, PA

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

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Rook, 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 18min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in August
Rook, PA

Average sunshine days in August - Rook, PA
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.5 days).

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Average UV index in August
Rook, PA

Average UV index in August - Rook, PA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Rook, PA

Average cloud cover in August - Rook, PA
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in August
Rook, PA

Average visibility in August - Rook, PA
  • Average visibility in August: 6mi

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

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Rook, Pennsylvania, USA

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