January weather forecast
Eagle, IL

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Weather in January

January, like December, in Eagle, Illinois, is another cold winter month, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 39.7°F (4.3°C).

Temperature

In Eagle, January is the month with the lowest recorded average temperatures, measuring a high of 39.7°F (4.3°C) and a low of 26.2°F (-3.2°C).

Humidity

In Eagle, Illinois, the average relative humidity in January is 77%.

Rainfall

In Eagle, during January, the rain falls for 9.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 158.6 rainfall days, and 36.02" (915mm) of precipitation is accumulated.

Snowfall

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

Daylight

In January, the average length of the day in Eagle is 9h and 55min.
On the first day of January, sunrise is at 7:08 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:15 pm CST.

Sunshine

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

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the UV index of 2 transforms into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

The coldest temperatures occur during January, when averages reach a peak of 39.7°F (4.3°C) and a low of 26.2°F (-3.2°C).

Is it cold during January?

January temperatures in Eagle vary between a high-temperature of 39.7°F (4.3°C) and a low-temperature of 26.2°F (-3.2°C).

What is the average humidity in January?

The average relative humidity in January is 77%.

How much does it rain in January?

In January, the rain falls for 9.8 days. Throughout January, 2.68" (68mm) of precipitation is accumulated.

When does it snow the most?

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 many days does it snow in January?

In Eagle, in January, during 5.3 snowfall days, 1.73" (44mm) of snow is typically accumulated.

How many hours of daylight does Eagle have in January?

In Eagle, the average day length in January is 9h and 55min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:08 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:15 pm CST.

What is the month with the least sunshine?

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

How long on average sun shines in January?

The average sunshine duration in January is 4.6h.

What are the months with the lowest UV index?

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

How high is the UV index in January?

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

Average temperature in January
Eagle, IL

Average temperature in January - Eagle, IL
  • Average high temperature in January: 39.7°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 January: 26.2°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 January
Eagle, IL

Average pressure in January - Eagle, IL
  • Average pressure in January: 30.16"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 January
Eagle, IL

Average wind speed in January - Eagle, IL
  • Average wind speed in January: 9.4mph

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 January
Eagle, IL

Average humidity in January - Eagle, IL
  • Average humidity in January: 77%

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

Average rainfall in January
Eagle, IL

Average rainfall in January - Eagle, IL
  • Average rainfall in January: 2.68"

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 January
Eagle, IL

Average rainfall days in January - Eagle, IL
  • Average rainfall days in January: 9.8 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 January
Eagle, IL

Average snowfall in January - Eagle, IL
  • Average snowfall in January: 1.73"

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 January
Eagle, IL

Average snowfall days in January - Eagle, IL
  • Average snowfall days in January: 5.3 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 January /
Average sunshine in January
Eagle, IL

Average daylight in January / Average sunshine in January - Eagle, IL
  • Average daylight in January: 9h and 5min

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 January: 4h and 4min

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 January
Eagle, IL

Average sunshine days in January - Eagle, IL
  • Average sunshine days in January: 16.2 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 January
Eagle, IL

Average UV index in January - Eagle, IL
  • Average UV index in January: 2

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 January
Eagle, IL

Average cloud cover in January - Eagle, IL
  • Average cloud cover in January: 51

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 January
Eagle, IL

Average visibility in January - Eagle, 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).

Eagle, Illinois, USA

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