August weather forecastQuarryville, PA
August
Weather in August
August, the last month of the summer in Quarryville, is another warm month, with an average temperature fluctuating between 63.7°F (17.6°C) and 81°F (27.2°C).Temperature
The introduction of August sees an average high-temperature of a still warm 81°F (27.2°C), hardly deviating from July. An average temperature of 63.7°F (17.6°C) is recorded during the nights in August.Heat index
The heat index in August is calculated to be a hot 86°F (30°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In Quarryville, Pennsylvania, the average relative humidity in August is 80%.Rainfall
August is the month with the most rainfall in Quarryville. Rain falls for 15.4 days and accumulates 3.7" (94mm) of precipitation.Snowfall
In Quarryville, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 42min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:17 pm. On the last day of August, in Quarryville, sunrise is at 6:32 am and sunset at 7:37 pm EDT.
Sunshine
In August, the average sunshine is 10.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Quarryville, PA
- Average high temperature in August: 81°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in August
Quarryville, PA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Quarryville, PA
- Average wind speed in August: 5.2mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in August
Quarryville, PA
- Average humidity in August: 80%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in August
Quarryville, PA
- Average rainfall in August: 3.7"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in August
Quarryville, PA
- Average rainfall days in August: 15.4 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in August
Quarryville, PA
- Average snowfall in August: 0"
The month with the highest snowfall is March (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Quarryville, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Quarryville, 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 July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in August
Quarryville, PA
- Average sunshine days in August: 13 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in August
Quarryville, 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, November and December (UV index 2).
Average cloud cover in August
Quarryville, PA
- Average cloud cover in August: 34
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Quarryville, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).





