Climate and monthly weather forecast
Congerville, IL

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Weather in January

January, the same as December, in Congerville, Illinois, is another subzero cold winter month, with an average temperature varying between 18.5°F (-7.5°C) and 30.4°F (-0.9°C). Congerville experiences its lowest temperatures in January, with an average peak of 30.4°F (-0.9°C) and a low of 18.5°F (-7.5°C). Weather in January »

Weather in February

February, the last month of the winter in Congerville, is a wintry month, with temperature in the range of an average high of 35.1°F (1.7°C) and an average low of 22.3°F (-5.4°C). The transition from January to February sees an average high-temperature of a cold 35.1°F (1.7°C), indicating a minor variance from the prior month. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Congerville, Illinois, with an average temperature fluctuating between 48.2°F (9°C) and 33.6°F (0.9°C). Congerville's transition into March sees a rise in the average high-temperature, advancing from an icy 35.1°F (1.7°C) in February to a chilly 48.2°F (9°C). Weather in March »

Weather in April

April is a mild spring month in Congerville, Illinois, with an average temperature fluctuating between 60.4°F (15.8°C) and 44.2°F (6.8°C). April's arrival brings a change in high-temperatures, moving from a frosty 48.2°F (9°C) in March to a refreshing 60.4°F (15.8°C). Weather in April »

Weather in May

May, the last month of the spring in Congerville, is a pleasant month, with an average temperature fluctuating between 55°F (12.8°C) and 71.4°F (21.9°C). As Congerville, Illinois, transitions into May, the average high-temperature is observed to rise from a moderate 60.4°F (15.8°C) in April to an agreeable 71.4°F (21.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Congerville, Illinois, with an average temperature varying between 63°F (17.2°C) and 79.5°F (26.4°C). June introduces a marginal temperature uplift, with average high-temperatures adjusting from May's agreeable 71.4°F (21.9°C) to a warm 79.5°F (26.4°C). Weather in June »

Weather in July

July, like June, in Congerville, Illinois, is another warm summer month, with an average temperature ranging between min 64.9°F (18.3°C) and max 81.1°F (27.3°C). July, with average temperatures reaching a high of 81.1°F (27.3°C) and a low of 64.9°F (18.3°C), is the warmest month. The average heat index in July is computed to be a tropical 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Congerville, Illinois, with an average temperature fluctuating between 63.1°F (17.3°C) and 80.2°F (26.8°C). August's weather records an average high-temperature of a still moderately hot 80.2°F (26.8°C), showing little deviation from July. Weather in August »

Weather in September

September, the first month of the autumn in Congerville, is still a warm month, with an average temperature varying between 57°F (13.9°C) and 75.7°F (24.3°C). September's arrival brings an average high-temperature of a still moderately hot 75.7°F (24.3°C), demonstrating subtle variation from the preceding month. Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Congerville, Illinois, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 61.9°F (16.6°C). Congerville's weather changes with the onset of October, slightly falling from a warm 75.7°F (24.3°C) in September to a comfortable 61.9°F (16.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Congerville, is also a frosty month, with an average temperature varying between 34.7°F (1.5°C) and 47.7°F (8.7°C). The decrease of average high-temperatures is mild in November, with a decline from a comfortable 61.9°F (16.6°C) in October to a frosty 47.7°F (8.7°C). Weather in November »

Weather in December

December, the first month of the winter in Congerville, is also an icy month, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 25.9°F (-3.4°C). Congerville in December demonstrates a small temperature transition, adjusting from an average high of a frosty 47.7°F (8.7°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Congerville?

January is the coldest month in Congerville, with the temperature often reaching an average high of 30.4°F (-0.9°C) and an average low of 18.5°F (-7.5°C).

How much does it rain in Congerville?

In Congerville, Illinois, during the entire year, the rain falls for 147.1 days and collects up to 24.17" (614mm) of precipitation.

When does it snow in Congerville?

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

When does it snow the most in Congerville?

The months with the most snowfall are January and February, with an average 2.8" (71mm) of accumulated snow.

How many days does it snow in Congerville?

In Congerville, during the entire year, snow falls for 34.9 days and aggregates up to 11.65" (296mm) of snow.

What is the month with the least sunshine in Congerville?

With an average of 3.9h of sunshine, January has the least sunshine of the year in Congerville, Illinois.

What is the month with the lowest UV index in Congerville?

The months with the lowest UV index in Congerville, Illinois, are January, February, November and December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST) in Congerville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Congerville, 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 in Congerville?

The month with the most rainfall is May, when the rain falls for 17.9 days and typically aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in Congerville?

May through September are months without snowfall.

When are the longest days in Congerville?

With an average of 15h and 0min of daylight, June has the longest days of the year in Congerville, Illinois.

What month has the most sunshine in Congerville?

With an average of 10.1h of sunshine, June has the most sunshine of the year in Congerville.

What are the months with the highest UV index in Congerville?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

What are the warmest months in Congerville?

In Congerville, July is identified by the average highest temperatures, reaching a peak of 81.1°F (27.3°C) and a low of 64.9°F (18.3°C).

What is the most humid month in Congerville?

The most humid month in Congerville is July, with an average relative humidity of 85%.

What is the least humid month in Congerville?

The least humid month is October, with an average relative humidity of 72%.

What is the driest month in Congerville?

The month with the least rainfall in Congerville is December, when the rain falls for 7.3 days and typically collects 1.22" (31mm) of precipitation.

What is the month with the shortest days in Congerville?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Congerville, Illinois.

Average temperature
Congerville, IL

Average temperature - Congerville, IL

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.4°F).

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure
Congerville, IL

Average pressure - Congerville, IL

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Congerville, IL

Average wind speed - Congerville, IL

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average rainfall
Congerville, IL

Average rainfall - Congerville, IL

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.22").

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Average rainfall days
Congerville, IL

Average rainfall days - Congerville, IL

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall
Congerville, IL

Average snowfall - Congerville, IL

The months with the highest snowfall are January and February (2.8").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Congerville, IL

Average snowfall days - Congerville, IL

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Congerville, IL

Average daylight / Average sunshine - Congerville, IL

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days
Congerville, IL

Average sunshine days - Congerville, IL

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9 days).

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Average UV index
Congerville, IL

Average UV index - Congerville, IL

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Congerville, IL

Average visibility - Congerville, IL

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

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Congerville, Illinois, USA

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