August weather forecastHarrellsville, NC
August
Weather in August
The last month of the summer, August, is also a hot month in Harrellsville, North Carolina, with temperature in the range of an average low of 68.9°F (20.5°C) and an average high of 86.7°F (30.4°C).Temperature
Harrellsville's weather in August indicates an average high-temperature of a still tropical 86.7°F (30.4°C), nearly consistent with the 88°F (31.1°C) of July. An average low-temperature of 68.9°F (20.5°C) is observed during August nights.Heat index
For most parts of August, the heat index is computed to be a torrid 100.4°F (38°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
In August, the average relative humidity in Harrellsville is 78%.Rainfall
The month with the most rainfall in Harrellsville is August, when the rain falls for 17.1 days and typically aggregates up to 3.62" (92mm) of precipitation.Snowfall
In Harrellsville, snow does not fall in April through November.Daylight
In Harrellsville, the average length of the day in August is 13h and 30min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:12 pm. On the last day of August, in Harrellsville, sunrise is at 6:38 am and sunset at 7:36 pm EDT.
Sunshine
The average sunshine in August is 10.2h.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 hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harrellsville, NC
- Average high temperature in August: 86.7°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (47.3°F).
- Average low temperature in August: 68.9°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in August
Harrellsville, NC
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Harrellsville, NC
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in August
Harrellsville, NC
- Average humidity in August: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, February, April and November (75%).
Average rainfall in August
Harrellsville, NC
- Average rainfall in August: 3.62"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is October (2.09").
Average rainfall days in August
Harrellsville, NC
- Average rainfall days in August: 17.1 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in August
Harrellsville, NC
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Harrellsville, NC
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Harrellsville, NC
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in August
Harrellsville, NC
- Average sunshine days in August: 10.8 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in August
Harrellsville, NC
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in August
Harrellsville, NC
- Average cloud cover in August: 36
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in August
Harrellsville, NC
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





