August weather forecast
Ozark, IL

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Weather in August

The last month of the summer, August, is another tropical month in Ozark, Illinois, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 66.7°F (19.3°C).

Temperature

August's arrival shows an average high-temperature of a still hot 86.5°F (30.3°C), hardly different from the previous month. August brings an average low-temperature of 66.7°F (19.3°C) to Ozark.

Heat index

In August, the average heat index is calculated to be a sweltering 98.6°F (37°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle 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', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in August is 76%.

Rainfall

In Ozark, Illinois, in August, it is raining for 11.9 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Ozark, the average length of the day in August is 13h and 34min.
On the first day of August, sunrise is at 5:59 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:25 pm CDT.

Sunshine

In Ozark, the average sunshine in August is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, the UV index of 6 transforms into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

How hot is August?

An average high-temperature, in August, in Ozark, is 86.5°F (30.3°C) and the average low-temperature is 66.7°F (19.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is calculated to be 98.6°F (37°C).

What is the average humidity in August?

In August, the average relative humidity is 76%.

How many days does it rain in August?

In Ozark, Illinois, during August, the rain falls for 11.9 days and regularly aggregates up to 1.3" (33mm) of precipitation.

When it does not snow?

In Ozark, snow does not fall in April through October.

What is the average length of the day in August?

The average day length in August is 13h and 34min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:59 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:25 pm CDT.

How many hours of sunshine does Ozark have in August?

In Ozark, the average sunshine duration in August is 10.3h.

What is the month with the highest UV index?

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

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Ozark, IL

Average temperature in August - Ozark, IL
  • Average high temperature in August: 86.5°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in August
Ozark, IL

Average pressure in August - Ozark, IL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Ozark, IL

Average wind speed in August - Ozark, IL
  • Average wind speed in August: 5.7mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in August
Ozark, IL

Average humidity in August - Ozark, IL
  • Average humidity in August: 76%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Ozark, IL

Average rainfall in August - Ozark, IL
  • Average rainfall in August: 1.3"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in August
Ozark, IL

Average rainfall days in August - Ozark, IL
  • Average rainfall days in August: 11.9 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

Average snowfall in August
Ozark, IL

Average snowfall in August - Ozark, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Ozark, IL

Average snowfall days in August - Ozark, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Ozark, IL

Average daylight in August / Average sunshine in August - Ozark, IL
  • Average daylight in August: 13h and 4min

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 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in August
Ozark, IL

Average sunshine days in August - Ozark, IL
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

Average UV index in August
Ozark, IL

Average UV index in August - Ozark, IL
  • 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
Ozark, IL

Average cloud cover in August - Ozark, IL
  • Average cloud cover in August: 30

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in August
Ozark, IL

Average visibility in August - Ozark, IL
  • 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).

Ozark, Illinois, USA

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