August weather forecastForest Hill, IN
August
Weather in August
August, the last month of the summer in Forest Hill, is also a moderately hot month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 63.5°F (17.5°C).Temperature
August's weather displays an average high-temperature of a still moderately hot 82°F (27.8°C), slightly varied from July's 83.1°F (28.4°C). Throughout August, the nighttime temperature averages to a comfortable 63.5°F (17.5°C).Heat index
For August, the heat index is calculated to be a hot 87.8°F (31°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In August, the average relative humidity is 79%.Rainfall
In August, the rain falls for 12.3 days. Throughout August, 1.38" (35mm) of precipitation is accumulated. In Forest Hill, during the entire year, the rain falls for 137.6 days and collects up to 17.99" (457mm) of precipitation.Snowfall
May through September are months without snowfall in Forest Hill.Daylight
In Forest Hill, the average length of the day in August is 13h and 40min.On the first day of the month, sunrise is at 6:43 am and sunset at 8:54 pm. On the last day of August, in Forest Hill, sunrise is at 7:10 am and sunset at 8:14 pm EDT.
Sunshine
In August, the average sunshine is 9.6h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In August, an average UV index of 6 transforms into the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Forest Hill, IN
- Average high temperature in August: 82°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in August: 63.5°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
Forest Hill, IN
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Forest Hill, IN
- Average wind speed in August: 5.4mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in August
Forest Hill, IN
- Average humidity in August: 79%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Forest Hill, IN
- Average rainfall in August: 1.38"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in August
Forest Hill, IN
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in August
Forest Hill, IN
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Forest Hill, IN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.3 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
Forest Hill, IN
- Average daylight in August: 13h and 42min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in August
Forest Hill, IN
- Average sunshine days in August: 15.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in August
Forest Hill, IN
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Forest Hill, IN
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Forest Hill, IN
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





