August weather forecast
Eldorado, IL

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Weather in August

August, the last month of the summer in Eldorado, is also a moderately hot month, with an average temperature fluctuating between 85.6°F (29.8°C) and 66°F (18.9°C).

Temperature

In the transition from July to August, Eldorado reports an average high-temperature of a warm 85.6°F (29.8°C), indicating a close resemblance to the prior month. During August, Eldorado observes a consistent average nighttime temperature of 66°F (18.9°C).

Heat index

August's heat index is computed to be a very hot 96.8°F (36°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The average relative humidity in August is 76%.

Rainfall

In August, the rain falls for 13.8 days. Throughout August, 2.52" (64mm) of precipitation is accumulated. In Eldorado, during the entire year, the rain falls for 158.6 days and collects up to 36.02" (915mm) of precipitation.

Snowfall

In Eldorado, Illinois, snow does not fall in May through September.

Daylight

In Eldorado, the average length of the day in August is 13h and 35min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:02 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:24 pm CDT.

Sunshine

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

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 hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

Eldorado in August has an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 66°F (18.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 96.8°F (36°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 Eldorado, in August, during 13.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When it does not snow?

In Eldorado, 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 Eldorado is 13h and 35min.

What time are sunrise and sunset in August?

On the first day of August in Eldorado, sunrise is at 5:57 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:24 pm CDT.

How many hours of sunshine does Eldorado have in August?

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 intensity in August in Eldorado?

In Eldorado, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Eldorado, IL

Average temperature in August - Eldorado, IL
  • Average high temperature in August: 85.6°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 (39.7°F).

  • Average low temperature in August: 66°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 (26.2°F).

Average pressure in August
Eldorado, IL

Average pressure in August - Eldorado, 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
Eldorado, IL

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

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in August
Eldorado, IL

Average humidity in August - Eldorado, 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
Eldorado, IL

Average rainfall in August - Eldorado, IL
  • Average rainfall in August: 2.52"

The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in August
Eldorado, IL

Average rainfall days in August - Eldorado, IL
  • Average rainfall days in August: 13.8 days

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

Average snowfall in August
Eldorado, IL

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

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Eldorado, IL

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

The month with the highest number of snowfall days is January (5.3 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
Eldorado, IL

Average daylight in August / Average sunshine in August - Eldorado, 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 month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in August
Eldorado, IL

Average sunshine days in August - Eldorado, IL
  • Average sunshine days in August: 15 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in August
Eldorado, IL

Average UV index in August - Eldorado, 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
Eldorado, IL

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

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

Average visibility in August
Eldorado, IL

Average visibility in August - Eldorado, 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).

Eldorado, Illinois, USA

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