August weather forecast
Du Bois, IL

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Weather in August

August, the last month of the summer in Du Bois, is also a moderately hot month, with an average temperature varying between 66°F (18.9°C) and 84.4°F (29.1°C).

Temperature

Du Bois ushers in August with an average high-temperature of a warm 84.4°F (29.1°C), showing a close resemblance to the previous month. In the month of August, Du Bois's average low-temperature falls to a refreshing 66°F (18.9°C).

Heat index

The heat index value during August is estimated at a fiery hot 95°F (35°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The average relative humidity in August in Du Bois is 79%.

Rainfall

In August, in Du Bois, the rain falls for 15.4 days. Throughout August, 3.31" (84mm) of precipitation is accumulated. Throughout the year, in Du Bois, there are 166.8 rainfall days, and 37.83" (961mm) of precipitation is accumulated.

Snowfall

In Du Bois, Illinois, snow does not fall in May through August and October.

Daylight

In August, the average length of the day is 13h and 36min.
On the first day of August in Du Bois, sunrise is at 6:00 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:27 pm CDT.

Sunshine

In August, the average sunshine is 10.1h.

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 risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

How hot is it in Du Bois in August?

The average high-temperature, in August, in Du Bois, is 84.4°F (29.1°C), while the average low-temperature is 66°F (18.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 95°F (35°C).

What is the average humidity in August in Du Bois?

The average relative humidity in August is 79%.

How much does it rain in Du Bois in August?

In Du Bois, Illinois, in August, it is raining for 15.4 days, with typically 3.31" (84mm) of accumulated precipitation.

When it does not snow in Du Bois?

In Du Bois, Illinois, snow does not fall in May through August and October.

Does it snow in Du Bois in August?

In Du Bois, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August in Du Bois?

The average day length in August in Du Bois is 13h and 36min.

What time are sunrise and sunset in August in Du Bois?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 8:06 pm. On the last day of the month, in Du Bois, Illinois, sunrise is at 6:26 am and sunset at 7:27 pm CDT.

How long on average sun shines in August in Du Bois?

In August, the average sunshine duration in Du Bois is 10.1h.

What is the month with the highest UV index in Du Bois?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Du Bois, Illinois.

What is the UV index reading in August in Du Bois?

In Du Bois, Illinois, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Du Bois, IL

Average temperature in August - Du Bois, IL
  • Average high temperature in August: 84.4°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in August: 66°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in August
Du Bois, IL

Average pressure in August - Du Bois, 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 (29.93"Hg).

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Average wind speed in August
Du Bois, IL

Average wind speed in August - Du Bois, IL
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

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Average humidity in August
Du Bois, IL

Average humidity in August - Du Bois, IL
  • Average humidity in August: 79%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Du Bois, IL

Average rainfall in August - Du Bois, IL
  • Average rainfall in August: 3.31"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is February (2.01").

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Average rainfall days in August
Du Bois, IL

Average rainfall days in August - Du Bois, IL
  • Average rainfall days in August: 15.4 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (9.2 days).

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Average snowfall in August
Du Bois, IL

Average snowfall in August - Du Bois, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and October (0").

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Average snowfall days in August
Du Bois, IL

Average snowfall days in August - Du Bois, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in August /
Average sunshine in August
Du Bois, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in August
Du Bois, IL

Average sunshine days in August - Du Bois, IL
  • Average sunshine days in August: 12 days

The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (9.3 days).

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Average UV index in August
Du Bois, IL

Average UV index in August - Du Bois, 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).

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Average cloud cover in August
Du Bois, IL

Average cloud cover in August - Du Bois, IL
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in August
Du Bois, IL

Average visibility in August - Du Bois, 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).

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Du Bois, Illinois, USA

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