August weather forecastLouisville, OH
August
Weather in August
August, the last month of the summer in Louisville, is another warm month, with an average temperature fluctuating between 60.3°F (15.7°C) and 80.8°F (27.1°C).Temperature
Louisville observes an average high-temperature of a still moderately hot 80.8°F (27.1°C) in August, barely different from 82°F (27.8°C) in July. Louisville registers a consistent average low-temperature of 60.3°F (15.7°C) during August.Heat index
In August, the heat index is calculated to be a tropical 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Note that heat index values are valued for light wind and location in the shade. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The months with the lowest humidity in Louisville are April, July and August, with an average relative humidity of 77%.Rainfall
In August, the rain falls for 11.8 days. Throughout August, 0.91" (23mm) of precipitation is accumulated. Throughout the year, in Louisville, there are 119.1 rainfall days, and 9.69" (246mm) of precipitation is accumulated.Snowfall
In Louisville, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 45min.On the first day of the month, sunrise is at 6:22 am and sunset at 8:40 pm. On the last day of August, in Louisville, sunrise is at 6:51 am and sunset at 7:58 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.2h of sunshine.UV index
In August, the average daily maximum UV index in Louisville is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: During August, 5 as the daily maximum UV index converts into the following advice:
Heed the precautions - It is counselled to guard against solar damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Louisville, OH
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in August
Louisville, OH
- 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
Louisville, OH
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in August
Louisville, OH
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in August
Louisville, OH
- Average rainfall in August: 0.91"
The wettest month (with the highest rainfall) is June (1.14").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in August
Louisville, OH
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in August
Louisville, OH
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Louisville, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Louisville, OH
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in August
Louisville, OH
- Average sunshine days in August: 14.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (13.9 days).
Average UV index in August
Louisville, OH
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Louisville, OH
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Louisville, OH
- Average visibility in August: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
