Climate and monthly weather forecast
Elmhurst, IL

Weather in January

January, like December, is a freezing cold winter month in Elmhurst, Illinois, with an average temperature varying between 28.8°F (-1.8°C) and 18°F (-7.8°C). With an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 18°F (-7.8°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Elmhurst, is a cold month, with temperature in the range of an average high of 32.4°F (0.2°C) and an average low of 20.7°F (-6.3°C). In February, the average high-temperature is practically the same as in January - a wintry 32.4°F (0.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Elmhurst, Illinois, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 44.2°F (6.8°C). In March, the average high-temperature rises from a cold 32.4°F (0.2°C) in February to a chilly 44.2°F (6.8°C). Weather in March »

Weather in April

April in Elmhurst, Illinois, is a fresh spring month, with an average temperature varying between 55.2°F (12.9°C) and 40.6°F (4.8°C). In Elmhurst, Illinois, the average high-temperature in April increases from a frosty 44.2°F (6.8°C) in March to a cool 55.2°F (12.9°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Elmhurst, Illinois, with an average temperature varying between 67.3°F (19.6°C) and 51.6°F (10.9°C). In Elmhurst, Illinois, the average high-temperature in May increases from a fresh 55.2°F (12.9°C) in April to a comfortable 67.3°F (19.6°C). Weather in May »

Weather in June

June, the first month of the summer in Elmhurst, is a warm month, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 76.8°F (24.9°C). In Elmhurst, the average high-temperature in June increases from a comfortable 67.3°F (19.6°C) in May to a warm 76.8°F (24.9°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Elmhurst, Illinois, with an average temperature fluctuating between 66.6°F (19.2°C) and 81.9°F (27.7°C). The warmest month is July, with an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 66.6°F (19.2°C). The average heat index in July is appraised at a tropical 87.4°F (30.8°C). Weather in July »

Weather in August

August, the last month of the summer in Elmhurst, is another warm month, with an average temperature fluctuating between 80.2°F (26.8°C) and 65.7°F (18.7°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 80.2°F (26.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Elmhurst, is also a moderately hot month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 58.6°F (14.8°C). In Elmhurst, the average high-temperature in September marginally drops from 80.2°F (26.8°C) in August to a still warm 73.4°F (23°C). Weather in September »

Weather in October

October, the same as September, in Elmhurst, Illinois, is another mild autumn month, with an average temperature fluctuating between 46.6°F (8.1°C) and 60.4°F (15.8°C). In October, the average high-temperature drops from a moderately hot 73.4°F (23°C) in September to a moderate 60.4°F (15.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Elmhurst, is also a frosty month, with an average temperature fluctuating between 45.9°F (7.7°C) and 33.6°F (0.9°C). In November, the average high-temperature declines considerably from a mild 60.4°F (15.8°C) in October to a chilly 45.9°F (7.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Elmhurst, Illinois, with an average temperature fluctuating between 25.2°F (-3.8°C) and 34.7°F (1.5°C). In December, the average high-temperature drops from a chilly 45.9°F (7.7°C) in November to a cold 34.7°F (1.5°C). Weather in December »
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FAQ

What is the coldest month in Elmhurst?

The coldest month in Elmhurst is January, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 18°F (-7.8°C).

What is the most humid month in Elmhurst?

January and February, with an average relative humidity of 82%, are most humid months in Elmhurst.

How many days does it rain in Elmhurst?

Throughout the year, in Elmhurst, Illinois, there are 149.4 rainfall days, and 25.08" (637mm) of precipitation is accumulated.

When does it snow in Elmhurst?

January through May, October through December are months with snowfall in Elmhurst.

How much does it snow in Elmhurst?

In Elmhurst, during the entire year, snow falls for 45.8 days and aggregates up to 14.25" (362mm) of snow.

What is the month with the least sunshine in Elmhurst?

January has the least sunshine of the year, with an average of 3.7h of sunshine.

What are the months with the lowest UV index in Elmhurst?

The months with the lowest UV index in Elmhurst are January and December, with an average maximum UV index of 1.

When does it snow the most in Elmhurst?

February is the month with the most snowfall in Elmhurst, Illinois. Snow falls for 10.9 days and accumulates 3.86" (98mm) of snow.

When is Daylight Saving Time (DST) in Elmhurst?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Elmhurst, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Elmhurst?

The month with the most rainfall is May, when the rain falls for 17.3 days and typically aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in Elmhurst?

June through September are months without snowfall.

When are the longest days in Elmhurst?

The month with the longest days is June, with an average of 15h and 11min of daylight.

What is the month with the highest UV index in Elmhurst?

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

What is the warmest month in Elmhurst?

With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 66.6°F (19.2°C), July is the warmest month.

What are the months with the most sunshine in Elmhurst?

July and August, with an average of 10.1h of sunshine, are months with the most sunshine.

What is the least humid month in Elmhurst?

With an average relative humidity of 72%, October is the least humid month in Elmhurst, Illinois.

What is the driest month in Elmhurst?

December is the month with the least rainfall in Elmhurst. Rain falls for 7.9 days and accumulates 1.14" (29mm) of precipitation.

What is the month with the shortest days in Elmhurst?

December has the shortest days of the year in Elmhurst, with an average of 9h and 11min of daylight.

Average temperature
Elmhurst, IL

Average temperature - Elmhurst, IL

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure
Elmhurst, IL

Average pressure - Elmhurst, IL

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Elmhurst, IL

Average wind speed - Elmhurst, IL

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity
Elmhurst, IL

Average humidity - Elmhurst, IL

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall
Elmhurst, IL

Average rainfall - Elmhurst, IL

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").

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Average rainfall days
Elmhurst, IL

Average rainfall days - Elmhurst, IL

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall
Elmhurst, IL

Average snowfall - Elmhurst, IL

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Elmhurst, IL

Average snowfall days - Elmhurst, IL

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Elmhurst, IL

Average daylight / Average sunshine - Elmhurst, IL

The month with the longest days is June (Average daylight: 15h and 11min).
The month with the shortest days is December (Average daylight: 9h and 11min).

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days
Elmhurst, IL

Average sunshine days - Elmhurst, IL

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).

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Average UV index
Elmhurst, IL

Average UV index - Elmhurst, IL

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average visibility
Elmhurst, IL

Average visibility - Elmhurst, 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).

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