August weather forecast
Chillicothe, OH

Share

Weather in August

August continues the celebration of summer in Chillicothe with temperatures relatively similar to July. The overall footing of the season remains constant, marked by a drop in humidity and increasing sunshine hours. The month observes a decrease in rainfall from 2.56" (65mm) to 1.93" (49mm), reinforcing the emphasis on sunny, outdoor exploits. Lower wind speeds add another layer of serenity to the surroundings. August shines as the final full display of the classic summer charm.

Temperature

In August, Chillicothe experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 83.8°F (28.8°C) in July to a still warm 82.9°F (28.3°C). Chillicothe experiences a consistent average temperature of 62.1°F (16.7°C) throughout the nights in August.

Heat index

August's average heat index is evaluated at a tropical 89.6°F (32°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact 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. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

In Chillicothe, the average relative humidity in August is 77%.

Rainfall

In Chillicothe, during August, the rain falls for 14.2 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 156.4 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:32 am and sunset at 8:43 pm. On the last day of August, sunrise is at 7:00 am and sunset at 8:03 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index 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 unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 6 during August leads to these advisories:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

August temperatures vary between a high-temperature of 82.9°F (28.3°C) and a low-temperature of 62.1°F (16.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 89.6°F (32°C).

What is the average humidity in August?

In Chillicothe, the average relative humidity in August is 77%.

How much does it rain in August?

In August, the rain falls for 14.2 days. Throughout August, 1.93" (49mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Chillicothe have in August?

In Chillicothe, the average day length in August is 13h and 40min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:32 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 8:03 pm EDT.

What month has the most sunshine?

With an average of 10.6h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August?

The average sunshine duration in August is 10.6h.

What is the month with the highest UV index in Chillicothe?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August?

In August, the average daily maximum UV index in Chillicothe is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Chillicothe, OH

Average temperature in August - Chillicothe, OH
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in August
Chillicothe, OH

Average pressure in August - Chillicothe, OH
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Chillicothe, OH

Average wind speed in August - Chillicothe, OH
  • Average wind speed in August: 4.8mph

The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
Chillicothe, OH

Average humidity in August - Chillicothe, OH
  • Average humidity in August: 77%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is November (75%).

Average rainfall in August
Chillicothe, OH

Average rainfall in August - Chillicothe, OH
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in August
Chillicothe, OH

Average rainfall days in August - Chillicothe, OH
  • Average rainfall days in August: 14.2 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (8.4 days).

Average snowfall in August
Chillicothe, OH

Average snowfall in August - Chillicothe, OH
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Chillicothe, OH

Average snowfall days in August - Chillicothe, OH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Chillicothe, OH

Average daylight in August / Average sunshine in August - Chillicothe, OH
  • Average daylight in August: 13h and 4min

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 30min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Chillicothe, OH

Average sunshine days in August - Chillicothe, OH
  • Average sunshine days in August: 14.6 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in August
Chillicothe, OH

Average UV index in August - Chillicothe, OH
  • 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 December (UV index 1).

Average cloud cover in August
Chillicothe, OH

Average cloud cover in August - Chillicothe, OH
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in August
Chillicothe, OH

Average visibility in August - Chillicothe, OH
  • Average visibility in August: 6mi

The months with the highest visibility are February, March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, May, July and September (5mi).

Chillicothe, Ohio, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location