August weather forecastDefiance, KY
August
Weather in August
August, the last month of the summer in Defiance, is another warm month, with an average temperature ranging between max 84.2°F (29°C) and min 61°F (16.1°C).Temperature
As July turns into August, the average high-temperatures rest at a still warm 84.2°F (29°C), showing a minor variation from the prior month. Defiance observes a dramatic plunge from daytime highs in August, settling at an average low-temperature of 61°F (16.1°C).Heat index
The average heat index in August is evaluated at a tropical 93.2°F (34°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.One should consider that heat index numbers are for shaded settings and light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. 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
In August, the average relative humidity in Defiance is 76%.Rainfall
In Defiance, during August, the rain falls for 15.7 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 168.8 rainfall days, and 24.84" (631mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Defiance, Kentucky, the average length of the day in August is 13h and 33min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:39 pm. On the last day of August, sunrise is at 7:02 am and sunset at 8:02 pm EDT.
Sunshine
The months with the most sunshine are June through August, with an average of 10.1h of sunshine.UV index
May, June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 6 in August leads to these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Defiance, KY
- Average high temperature in August: 84.2°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in August: 61°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in August
Defiance, KY
- Average pressure in August: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Defiance, KY
- Average wind speed in August: 4mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in August
Defiance, KY
- Average humidity in August: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in August
Defiance, KY
- Average rainfall in August: 1.89"
The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in August
Defiance, KY
- Average rainfall days in August: 15.7 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in August
Defiance, KY
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Defiance, KY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.3 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
Defiance, KY
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 10h and 6min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in August
Defiance, KY
- Average sunshine days in August: 11.9 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in August
Defiance, KY
- Average UV index in August: 6
The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Defiance, KY
- Average cloud cover in August: 32
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Defiance, KY
- Average visibility in August: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).





