August weather forecastIndianola, IA
August
Weather in August
With a slight dip in temperature, August in Indianola, Iowa, continues to enjoy the summer warmth accompanied by average 2.01" (51mm) of rainfall. Transitioning from sizzling July, this month maintains a balanced hot environment, bearing traces of the receding summer. The heated, long days start meeting delightful cool breezes. Occasional showers give brief respite from the persistent warmth. With August waving goodbye, Indianola steadily starts its annual journey towards fall.Temperature
August notes an average high-temperature of a still warm 81.3°F (27.4°C), subtly differing from July's 83.1°F (28.4°C). Nightly temperatures drop to an average low of 62.6°F (17°C) in August.Heat index
The heat index for August is appraised at a hot 87.8°F (31°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual'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 extremely significant for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In August, the average relative humidity is 79%.Rainfall
In Indianola, in August, it is raining for 12.8 days, with typically 2.01" (51mm) of accumulated precipitation. In Indianola, during the entire year, the rain falls for 118.9 days and collects up to 18.62" (473mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 47min.On the first day of the month, sunrise is at 6:10 am and sunset at 8:30 pm. On the last day of August, sunrise is at 6:40 am and sunset at 7:48 pm CDT.
Sunshine
In Indianola, the average sunshine in August is 9.9h.UV index
The months with the highest UV index in Indianola are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 6 during August translates into the following directions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Indianola, IA
- Average high temperature in August: 81.3°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 (28.8°F).
- Average low temperature in August: 62.6°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in August
Indianola, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Indianola, IA
- Average wind speed in August: 6.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in August
Indianola, IA
- Average humidity in August: 79%
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Indianola, IA
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (0.55").
Average rainfall days in August
Indianola, IA
- Average rainfall days in August: 12.8 days
The months with the highest number of rainy days are May and June (15.9 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in August
Indianola, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Indianola, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Indianola, IA
- 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 12min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in August
Indianola, IA
- Average sunshine days in August: 15.3 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (11 days).
Average UV index in August
Indianola, IA
- 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 January (UV index 1).
Average cloud cover in August
Indianola, IA
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in August
Indianola, IA
- 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).
