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
Transitioning from July to August, Harleysville observes an average high-temperature of a still moderately hot 81.9°F (27.7°C), differing subtly from the previous month. In Harleysville, August is marked by an average low-temperature of 63.7°F (17.6°C).Heat index
During August, the heat index is calculated to be a hot 87.8°F (31°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance 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 Harleysville, the average relative humidity in August is 76%.Rainfall
In August, the rain falls for 14.1 days. Throughout August, 1.81" (46mm) of precipitation is accumulated. In Harleysville, during the entire year, the rain falls for 128.6 days and collects up to 15.16" (385mm) of precipitation.Snowfall
In Harleysville, snow does not fall in June through October.Daylight
In Harleysville, the average length of the day in August is 13h and 43min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:15 pm. On the last day of August, in Harleysville, sunrise is at 6:28 am and sunset at 7:34 pm EDT.
Sunshine
In Harleysville, Pennsylvania, the average sunshine in August is 10h.UV index
The months with the highest UV index in Harleysville are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 6 in August suggests the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What are the temperatures in Harleysville in August?
What is the average humidity in August in Harleysville?
How many days does it rain in August in Harleysville?
When it does not snow in Harleysville?
What is the average length of the day in August in Harleysville?
What time are sunrise and sunset in August in Harleysville?
How long on average sun shines in August in Harleysville?
What are the months with the highest UV index in Harleysville?
How high is the UV index in August in Harleysville?
Average temperature in August
Harleysville, PA
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in August
Harleysville, PA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Harleysville, PA
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Harleysville, PA
- Average humidity in August: 76%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in August
Harleysville, PA
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in August
Harleysville, PA
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in August
Harleysville, PA
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Harleysville, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Harleysville, 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 and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Harleysville, PA
- Average sunshine days in August: 14 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in August
Harleysville, 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, March, November and December (UV index 2).
Average cloud cover in August
Harleysville, PA
- Average cloud cover in August: 34
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Harleysville, 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).
Harleysville, Pennsylvania, USA
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