Climate and monthly weather forecast
Eldorado, IL

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Weather in January

January, like December, in Eldorado, Illinois, is an icy winter month, with an average temperature varying between 26.2°F (-3.2°C) and 39.7°F (4.3°C). In Eldorado, Illinois, the lowest average temperatures are observed in January, with a high of 39.7°F (4.3°C) and a low of 26.2°F (-3.2°C). Weather in January »

Weather in February

February, the last month of the winter in Eldorado, is a frosty month, with an average temperature fluctuating between 44.1°F (6.7°C) and 30.2°F (-1°C). The dawn of February sees an average high-temperature of a chilly 44.1°F (6.7°C), subtly contrasting with January's 39.7°F (4.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Eldorado, Illinois, with an average temperature varying between 55°F (12.8°C) and 39.2°F (4°C). The onset of March brings a rise in the average high-temperature, elevating from a chilly 44.1°F (6.7°C) in February to a cool 55°F (12.8°C). Weather in March »

Weather in April

April is a comfortable spring month in Eldorado, Illinois, with an average temperature fluctuating between 48.7°F (9.3°C) and 66.4°F (19.1°C). The commencement of April sees a shift in the average high-temperature, moving from a cool 55°F (12.8°C) in March to a comfortable 66.4°F (19.1°C). Weather in April »

Weather in May

May, the last month of the spring in Eldorado, is a warm month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 75.6°F (24.2°C). May brings a temperature increase, with average high-temperatures moving from April's refreshing 66.4°F (19.1°C) to a moderately hot 75.6°F (24.2°C). Weather in May »

Weather in June

June, the first month of the summer in Eldorado, is also a moderately hot month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 66.2°F (19°C). Entering June, Eldorado sees a temperature rise, with the average high-temperature advancing from May's 75.6°F (24.2°C) to a still warm 84.7°F (29.3°C). Weather in June »

Weather in July

July in Eldorado, Illinois, is a tropical summer month, with an average temperature ranging between max 87.3°F (30.7°C) and min 68.5°F (20.3°C). Eldorado experiences its highest temperatures in July, with an average peak of 87.3°F (30.7°C) and a low of 68.5°F (20.3°C). For July, the heat index is computed to be a torrid 102.2°F (39°C). Weather in July »

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). 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. Weather in August »

Weather in September

September, the first month of the autumn in Eldorado, is still a warm month, with an average temperature varying between 60.4°F (15.8°C) and 80.8°F (27.1°C). The beginning of September reveals an average high-temperature of a still warm 80.8°F (27.1°C), showing minimal deviation from the previous month. Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Eldorado, Illinois, with an average temperature ranging between max 67.8°F (19.9°C) and min 49.3°F (9.6°C). Stepping into October, Eldorado observes a temperature decline, with the average high falling from September's warm 80.8°F (27.1°C) to an enjoyable 67.8°F (19.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Eldorado, is another cool month, with an average temperature ranging between min 38.7°F (3.7°C) and max 53.8°F (12.1°C). Eldorado in November experiences a subtle temperature decline, with average high-temperatures reducing from a comfortable 67.8°F (19.9°C) in October to a cool 53.8°F (12.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Eldorado, Illinois, with an average temperature fluctuating between 44.1°F (6.7°C) and 32.4°F (0.2°C). With the onset of December, Eldorado experiences a modest temperature adjustment, with the average high-temperature receding from a cool 53.8°F (12.1°C) in November to a chilly 44.1°F (6.7°C). Weather in December »
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Eldorado's coldest weather arrives in January, when temperatures average a high of 39.7°F (4.3°C) and a low of 26.2°F (-3.2°C).

How much does it rain?

Throughout the year, in Eldorado, there are 158.6 rainfall days, and 36.02" (915mm) of precipitation is accumulated.

When does it snow?

January through April, October through December are months with snowfall.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 5.3 days and typically aggregates up to 1.73" (44mm) of snow.

How much does it snow?

In Eldorado, during the entire year, snow falls for 17.7 days and aggregates up to 6.57" (167mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.6h of sunshine.

What are the months with the lowest UV index?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month?

The month with the most rainfall is April, when the rain falls for 16.6 days and typically aggregates up to 4.8" (122mm) of precipitation.

What is the most humid month?

With an average relative humidity of 79%, May is the most humid month.

When it does not snow?

May through September are months without snowfall.

What is the month with the highest UV index?

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

When are the longest days?

The month with the longest days is June, with an average of 14h and 42min of daylight.

What month has the most sunshine?

The month with the most sunshine is June, with an average of 10.6h of sunshine.

What part of the year is the hottest?

July tends to be the warmest month, with temperatures averaging a daily high of 87.3°F (30.7°C) and a low of 68.5°F (20.3°C).

What is the driest month?

The month with the least rainfall in Eldorado is September, when the rain falls for 10.5 days and typically collects 1.57" (40mm) of precipitation.

What is the least humid month?

With an average relative humidity of 70%, October is the least humid month.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

Average temperature
Eldorado, IL

Average temperature - Eldorado, IL

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).

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
Eldorado, IL

Average pressure - Eldorado, IL

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
Eldorado, IL

Average wind speed - Eldorado, IL

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
Eldorado, IL

Average humidity - Eldorado, IL

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

Average rainfall
Eldorado, IL

Average rainfall - Eldorado, IL

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
Eldorado, IL

Average rainfall days - Eldorado, IL

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
Eldorado, IL

Average snowfall - Eldorado, IL

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
Eldorado, IL

Average snowfall days - Eldorado, IL

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 / Average sunshine
Eldorado, IL

Average daylight / Average sunshine - Eldorado, IL

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).

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
Eldorado, IL

Average sunshine days - Eldorado, IL

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
Eldorado, IL

Average UV index - Eldorado, IL

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
Eldorado, IL

Average cloud cover - Eldorado, IL

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
Eldorado, IL

Average visibility - Eldorado, IL

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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