August weather forecast
Zeigler, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Zeigler, Illinois, with an average temperature fluctuating between 66.4°F (19.1°C) and 85.5°F (29.7°C).

Temperature

Zeigler, Illinois, sees the arrival of August with an average high-temperature of a moderately hot 85.5°F (29.7°C), indicating a subtle variation from July. Zeigler experiences an average nighttime temperature of 66.4°F (19.1°C) in the month of August.

Heat index

The average heat index in August is estimated at a fiery hot 96.8°F (36°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In August, the average relative humidity in Zeigler, Illinois, is 76%.

Rainfall

In August, the rain falls for 15.7 days. Throughout August, 3.15" (80mm) of precipitation is accumulated. In Zeigler, during the entire year, the rain falls for 167.2 days and collects up to 37.68" (957mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Zeigler, the average length of the day in August is 13h and 35min.
On the first day of August in Zeigler, sunrise is at 6:00 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:26 pm CDT.

Sunshine

In Zeigler, the average sunshine in August is 10.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

How hot is August in Zeigler?

The high-temperature during August is 85.5°F (29.7°C) and the low-temperature is 66.4°F (19.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is estimated at 96.8°F (36°C).

What is the average humidity in August in Zeigler?

In Zeigler, Illinois, the average relative humidity in August is 76%.

How much does it rain in Zeigler in August?

In August, in Zeigler, Illinois, the rain falls for 15.7 days. Throughout August, 3.15" (80mm) of precipitation is accumulated.

When it does not snow in Zeigler?

May through September are months without snowfall.

What is the average length of the day in August in Zeigler?

In August, the average day length in Zeigler, Illinois, is 13h and 35min.

When is the sunrise / sunset in August in Zeigler?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 8:04 pm. On the last day of the month, in Zeigler, sunrise is at 6:25 am and sunset at 7:26 pm CDT.

How long on average sun shines in August in Zeigler?

The average sunshine duration in August is 10.2h.

When is the highest UV index in Zeigler?

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

What is the UV index reading in August in Zeigler?

In Zeigler, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe 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
Zeigler, IL

Average temperature in August - Zeigler, IL
  • Average high temperature in August: 85.5°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 66.4°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 (26.1°F).

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Average pressure in August
Zeigler, IL

Average pressure in August - Zeigler, 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).

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Average wind speed in August
Zeigler, IL

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

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in August
Zeigler, IL

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in August
Zeigler, IL

Average rainfall in August - Zeigler, IL
  • Average rainfall in August: 3.15"

The wettest month (with the highest rainfall) is April (4.92").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in August
Zeigler, IL

Average rainfall days in August - Zeigler, IL
  • Average rainfall days in August: 15.7 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall in August
Zeigler, IL

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

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Zeigler, IL

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

The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Zeigler, 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 months with the most sunshine are June and July (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
Zeigler, IL

Average sunshine days in August - Zeigler, IL
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).

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Average UV index in August
Zeigler, IL

Average UV index in August - Zeigler, 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
Zeigler, IL

Average cloud cover in August - Zeigler, IL
  • Average cloud cover in August: 29

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in August
Zeigler, IL

Average visibility in August - Zeigler, 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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Zeigler, Illinois, USA

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