August weather forecastIndex, KY
August
Weather in August
The last month of the summer, August, is another warm month in Index, Kentucky, with an average temperature fluctuating between 62.8°F (17.1°C) and 85.5°F (29.7°C).Temperature
Index's average high-temperature marks a moderately hot 85.5°F (29.7°C) with the advent of August, closely mirroring that of the preceding month. Index demonstrates a significant disparity from daytime highs throughout the month of August, with an average nighttime temperature of 62.8°F (17.1°C).Heat index
The heat index in August is computed to be a very hot 95°F (35°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. 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 critical to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
June, August and November, with an average relative humidity of 75%, are the least humid months.Rainfall
In Index, in August, during 14.7 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Index, there are 162.2 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Index, the average length of the day in August is 13h and 35min.On the first day of August in Index, sunrise is at 6:37 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:03 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10h of sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the maximum UV index of 6 suggests these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Index, KY
- Average high temperature in August: 85.5°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in August: 62.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in August
Index, 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 (29.97"Hg).
Average wind speed in August
Index, KY
- Average wind speed in August: 4.6mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in August
Index, KY
- Average humidity in August: 75%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are June, August and November (75%).
Average rainfall in August
Index, KY
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is February (2.99").
The driest months (with the least rainfall) are September and November (1.89").
Average rainfall days in August
Index, KY
- Average rainfall days in August: 14.7 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in August
Index, KY
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Index, KY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Index, KY
- Average daylight in August: 13h and 36min
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 36min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Index, KY
- Average sunshine days in August: 14.1 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in August
Index, KY
- Average UV index in August: 6
The months with the highest UV index are May, June, July 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
Index, KY
- Average cloud cover in August: 33
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Index, KY
- 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).





