January 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).

Temperature

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.

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 82%.

Rainfall

In January, in Elmhurst, the rain falls for 6.3 days. Throughout January, 1.34" (34mm) of precipitation is accumulated. In Elmhurst, during the entire year, the rain falls for 149.4 days and collects up to 25.08" (637mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Elmhurst, snow falls for 12.4 days, with typically accumulated 3.62" (92mm) of snow. Throughout the year, in Elmhurst, there are 45.8 snowfall days, and 14.25" (362mm) of snow is accumulated.

Daylight

The average length of the day in January in Elmhurst is 9h and 33min.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:31 pm. On the last day of January, in Elmhurst, sunrise is at 7:04 am and sunset at 5:05 pm CST.

Sunshine

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

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 1 in January interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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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.

What is the average humidity in January in Elmhurst?

The average relative humidity in January in Elmhurst is 82%.

How many days does it rain in January in Elmhurst?

In Elmhurst, in January, it is raining for 6.3 days, with typically 1.34" (34mm) of accumulated precipitation.

How much does it snow in Elmhurst in January?

In January, in Elmhurst, Illinois, it is snowing for 12.4 days. Throughout January, 3.62" (92mm) of snow is accumulated.

How many hours of daylight does Elmhurst have in January?

In Elmhurst, Illinois, the average day length in January is 9h and 33min.

When is the sunrise / sunset in January in Elmhurst?

In January, on the first day of the month, sunrise is at 7:19 am and sunset at 4:31 pm. On the last day of the month, in Elmhurst, sunrise is at 7:04 am and sunset at 5:05 pm CST.

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.

How many hours of sunshine does Elmhurst have in January?

In January, the average sunshine duration is 3.7h.

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

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

What is the UV index intensity in January in Elmhurst?

The average daily maximum UV index in January in Elmhurst is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Elmhurst, IL

Average temperature in January - Elmhurst, IL
  • Average high temperature in January: 28.8°F

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).

  • Average low temperature in January: 18°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 in January
Elmhurst, IL

Average pressure in January - Elmhurst, IL
  • Average pressure in January: 30.11"Hg

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 in January
Elmhurst, IL

Average wind speed in January - Elmhurst, IL
  • Average wind speed in January: 10.2mph

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 in January
Elmhurst, IL

Average humidity in January - Elmhurst, IL
  • Average humidity in January: 82%

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 in January
Elmhurst, IL

Average rainfall in January - Elmhurst, IL
  • Average rainfall in January: 1.34"

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 in January
Elmhurst, IL

Average rainfall days in January - Elmhurst, IL
  • Average rainfall days in January: 6.3 days

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 in January
Elmhurst, IL

Average snowfall in January - Elmhurst, IL
  • Average snowfall in January: 3.62"

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 in January
Elmhurst, IL

Average snowfall days in January - Elmhurst, IL
  • Average snowfall days in January: 12.4 days

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 in January /
Average sunshine in January
Elmhurst, IL

Average daylight in January / Average sunshine in January - Elmhurst, IL
  • Average daylight in January: 9h and 33min

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).

  • Average sunshine in January: 3h and 42min

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 in January
Elmhurst, IL

Average sunshine days in January - Elmhurst, IL
  • Average sunshine days in January: 14.2 days

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 in January
Elmhurst, IL

Average UV index in January - Elmhurst, IL
  • Average UV index in January: 1

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 cloud cover in January
Elmhurst, IL

Average cloud cover in January - Elmhurst, IL
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in January
Elmhurst, IL

Average visibility in January - Elmhurst, IL
  • Average visibility in January: 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).

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