August weather forecastGrapeville, PA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Grapeville, Pennsylvania, with an average temperature ranging between max 80.8°F (27.1°C) and min 58.6°F (14.8°C).Temperature
A minor adjustment in Grapeville's average high-temperature is noted with the start of August, touching a still warm 80.8°F (27.1°C) from July's 82°F (27.8°C). Grapeville experiences a drastic reduction from day temperatures to an average low of 58.6°F (14.8°C) in August.Heat index
The heat index value during August is computed to be a hot 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Consider that heat index readings are for situations in the shade and light wind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
The months with the lowest humidity are April, July and August, with an average relative humidity of 77%.Rainfall
In August, the rain falls for 17.2 days. Throughout August, 2.48" (63mm) of precipitation is accumulated. In Grapeville, during the entire year, the rain falls for 186 days and collects up to 34.84" (885mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Grapeville, the average length of the day in August is 13h and 43min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:45 am and sunset at 7:51 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.1h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 5 in August leads to these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grapeville, PA
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in August: 58.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in August
Grapeville, 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).
Average wind speed in August
Grapeville, PA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Grapeville, PA
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in August
Grapeville, PA
- Average rainfall in August: 2.48"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in August
Grapeville, PA
- Average rainfall days in August: 17.2 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in August
Grapeville, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Grapeville, 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
Grapeville, PA
- Average daylight in August: 13h and 42min
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 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in August
Grapeville, PA
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in August
Grapeville, 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).
Average cloud cover in August
Grapeville, PA
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Grapeville, 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).
