Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Stepping into August, Chillicothe records an average high-temperature of a still moderately hot 81.7°F (27.6°C), almost consistent with July. In Chillicothe, August nights cool down to an average of 63.1°F (17.3°C).Heat index
In August, the average heat index is calculated to be a tropical 87.8°F (31°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In Chillicothe, the average relative humidity in August is 78%.Rainfall
In August, in Chillicothe, Iowa, the rain falls for 11.8 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Chillicothe, there are 134.5 rainfall days, and 27.17" (690mm) of precipitation is accumulated.Snowfall
In Chillicothe, snow does not fall in June through September.Daylight
In Chillicothe, Iowa, the average length of the day in August is 13h and 46min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:26 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:43 pm CDT.
Sunshine
The average sunshine in August is 9.9h.UV index
The months with the highest UV index in Chillicothe, Iowa, are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 6 in August transforms into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the usual temperature for Chillicothe in August?
What is the average humidity in August in Chillicothe?
How much does it rain in Chillicothe in August?
When it does not snow in Chillicothe?
What is the average length of the day in August in Chillicothe?
When are sunrise and sunset in August in Chillicothe?
How long on average sun shines in August in Chillicothe?
When is the highest UV index in Chillicothe?
What is the UV index intensity in August in Chillicothe?
Average temperature in August
Chillicothe, IA
- Average high temperature in August: 81.7°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in August: 63.1°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in August
Chillicothe, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Chillicothe, IA
- Average wind speed in August: 6.9mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in August
Chillicothe, IA
- Average humidity in August: 78%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Chillicothe, IA
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in August
Chillicothe, IA
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in August
Chillicothe, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Chillicothe, IA
- 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
Chillicothe, IA
- Average daylight in August: 13h and 5min
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: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Chillicothe, IA
- Average sunshine days in August: 16.7 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in August
Chillicothe, IA
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Chillicothe, IA
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in August
Chillicothe, 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).
Chillicothe, Iowa, USA
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