August weather forecastHeltonville, IN
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Heltonville, Indiana, with an average temperature fluctuating between 84.2°F (29°C) and 64°F (17.8°C).Temperature
The shift to August signals an average high-temperature of a still warm 84.2°F (29°C), subtly varied from July's 85.1°F (29.5°C). Heltonville's August nights cool down to an average low-temperature of 64°F (17.8°C).Heat index
The heat index for August is appraised at a tropical 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In Heltonville, the average relative humidity in August is 77%.Rainfall
In Heltonville, Indiana, during August, the rain falls for 12.2 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Heltonville, Indiana, during the entire year, the rain falls for 135.6 days and collects up to 17.64" (448mm) of precipitation.Snowfall
In Heltonville, Indiana, snow does not fall in May through October.Daylight
In August, the average length of the day in Heltonville is 13h and 38min.On the first day of the month, sunrise is at 6:47 am and sunset at 8:56 pm. On the last day of August, sunrise is at 7:14 am and sunset at 8:16 pm EDT.
Sunshine
In Heltonville, the average sunshine in August is 9.4h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Heltonville. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 6 in August transforms into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Heltonville, IN
- Average high temperature in August: 84.2°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in August: 64°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 (23.4°F).
Average pressure in August
Heltonville, IN
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Heltonville, IN
- Average wind speed in August: 4.9mph
The windiest months (with the highest average wind speed) are January, February and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in August
Heltonville, IN
- Average humidity in August: 77%
The months with the highest relative humidity are February, May and December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Heltonville, IN
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in August
Heltonville, IN
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in August
Heltonville, IN
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Heltonville, IN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6.6 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
Heltonville, IN
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 9h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in August
Heltonville, IN
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in August
Heltonville, IN
- Average UV index in August: 6
The months with the highest UV index are 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
Heltonville, IN
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Heltonville, IN
- Average visibility in August: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).





