Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The transition into August shows a subtle variation to a still moderately hot 82°F (27.8°C) from July's 83.3°F (28.5°C) in the average high-temperature. Graysville, in the heat of August, registers a significant plunge to a mean of 59.9°F (15.5°C) during the nights.Heat index
In August, the heat index is estimated at a tropical 87.8°F (31°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
The months with the lowest humidity are April, July and August, with an average relative humidity of 77%.Rainfall
In Graysville, in August, during 17.3 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Graysville, during the entire year, the rain falls for 184.2 days and collects up to 35.75" (908mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 42min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:34 pm. On the last day of August, sunrise is at 6:49 am and sunset at 7:54 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In August, an average UV index of 5 transforms into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To protect against the Sun's most potent rays, avoid direct exposure around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What are the least humid months?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Graysville have in August?
When are sunrise and sunset in August?
What month has the most sunshine?
How many hours of sunshine does Graysville have in August?
What is the UV index reading in August in Graysville?
Average temperature in August
Graysville, PA
- Average high temperature in August: 82°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in August: 59.9°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in August
Graysville, 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
Graysville, PA
- Average wind speed in August: 4.5mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in August
Graysville, PA
- Average humidity in August: 77%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in August
Graysville, PA
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in August
Graysville, PA
- Average rainfall days in August: 17.3 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in August
Graysville, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Graysville, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Graysville, 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
The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3h).
Average sunshine days in August
Graysville, PA
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in August
Graysville, PA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Graysville, PA
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Graysville, PA
- Average visibility in August: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Graysville, Pennsylvania, USA
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