August weather forecastWalnut Hill, PA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Walnut Hill, Pennsylvania, with an average temperature ranging between min 65.7°F (18.7°C) and max 82.4°F (28°C).Temperature
Walnut Hill's entry into August measures an average high-temperature of a still warm 82.4°F (28°C), closely parallel to the preceding month. Walnut Hill's August nights cool down to an average low-temperature of 65.7°F (18.7°C).Heat index
August's average heat index is computed to be a tropical 89.6°F (32°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In Walnut Hill, the average relative humidity in August is 76%.Rainfall
August is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.36" (60mm) of precipitation.Snowfall
In Walnut Hill, snow does not fall in June through October.Daylight
In August, the average length of the day is 13h and 42min.On the first day of August, sunrise is at 6:00 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:33 pm EDT.
Sunshine
The average sunshine in August 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 value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 6 in August leads to these guidelines:
Deflect overexposure. Sun protection is a necessity. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Walnut Hill, PA
- Average high temperature in August: 82.4°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in August: 65.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in August
Walnut Hill, 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
Walnut Hill, PA
- Average wind speed in August: 5.3mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in August
Walnut Hill, PA
- Average humidity in August: 76%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Walnut Hill, PA
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in August
Walnut Hill, PA
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in August
Walnut Hill, PA
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Walnut Hill, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Walnut Hill, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Walnut Hill, PA
- Average sunshine days in August: 13.1 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in August
Walnut Hill, 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
Walnut Hill, PA
- Average cloud cover in August: 33
The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Walnut Hill, PA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
