August weather forecast
Zeigler, IL

Share

Weather in August

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

Temperature

On the advent of August, Zeigler's average high-temperature exhibits a minor adjustment to a moderately hot 85.5°F (29.7°C) from July's 87.3°F (30.7°C). In the month of August, the nighttime temperature dips to a steady average of 66.4°F (19.1°C).

Heat index

August's average heat index is appraised at a fiery hot 96.8°F (36°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In August, the average relative humidity is 76%.

Rainfall

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

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, 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 August, the average sunshine 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 reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. 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. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

In August, in Zeigler, the average high-temperature is 85.5°F (29.7°C), and the average low-temperature is 66.4°F (19.1°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 96.8°F (36°C).

What is the average humidity in August?

The average relative humidity in August is 76%.

How much does it rain in August?

In Zeigler, during August, the rain falls for 15.7 days and regularly aggregates up to 3.15" (80mm) of precipitation.

When it does not snow in Zeigler?

In Zeigler, snow does not fall in May through September.

What is the average length of the day in August?

The average day length in August in Zeigler is 13h and 35min.

When is the sunrise / sunset in August?

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, sunrise is at 6:25 am and sunset at 7:26 pm CDT.

How many hours of sunshine does Zeigler have in August?

The average sunshine duration in August is 10.2h.

What are the months with the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Zeigler, Illinois, USA

Weather forecast for your location

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