August weather forecastGreenwood, IN
August
Weather in August
The weather in August gradually starts retreating from the sweltering summer heat. The shift from July is barely noticeable yet distinct with temperatures fluctuating between 63.9°F (17.7°C) and 81.5°F (27.5°C). Despite the slight drop in temperatures, the summer spirit remains intact with plenty of outdoor activities remaining on the city's agenda. By the month's end, the anticipation of autumn's crisp weather begins to emerge, setting the stage for a change in the seasonal tableau.Temperature
The average high-temperature in Greenwood, Indiana, for August is a still moderately hot 81.5°F (27.5°C), closely aligning with the temperature of the preceding month. In the month of August, the average low-temperature in Greenwood usually rests at a comfortable 63.9°F (17.7°C).Heat index
During August, the heat index is calculated to be a hot 87.8°F (31°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In Greenwood, the average relative humidity in August is 80%.Rainfall
In Greenwood, during August, the rain falls for 15.6 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, in Greenwood, there are 161.8 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 41min.On the first day of August, sunrise is at 6:44 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 8:16 pm EDT.
Sunshine
In August, the average sunshine in Greenwood is 9.6h.UV index
In August, the average daily maximum UV index in Greenwood is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 in August translates into these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Greenwood, IN
- Average high temperature in August: 81.5°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in August: 63.9°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 (21.4°F).
Average pressure in August
Greenwood, IN
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Greenwood, IN
- Average wind speed in August: 5.6mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in August
Greenwood, IN
- Average humidity in August: 80%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Greenwood, IN
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in August
Greenwood, IN
- Average rainfall days in August: 15.6 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in August
Greenwood, IN
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Greenwood, IN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Greenwood, 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 24min).
- Average sunshine in August: 9h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Greenwood, IN
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in August
Greenwood, IN
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in August
Greenwood, 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
Greenwood, IN
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
