January weather forecast
Evanston, IL

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Weather in January

January is generally the coldest month in Evanston, Illinois with signs of severe winter. The month gives a glimpse of chilly temperatures, shrouded skies, and sporadic snow showers. It records the highest snowfall with 3.58" (91mm) for the period. Besides, the icy wind waves ripple throughout the city, contributing to the overall cold conditions. It is the time when inhabitants find comfort in their warm abodes, savoring hot beverages.

Temperature

Evanston's coldest weather arrives in January, when temperatures average a high of 29.1°F (-1.6°C) and a low of 20.5°F (-6.4°C).

Humidity

January is the most humid month, with an average relative humidity of 82%.

Rainfall

In Evanston, during January, the rain falls for 6.8 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Evanston, there are 154.1 rainfall days, and 33.31" (846mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall in Evanston, Illinois, is January, when snow falls for 11.6 days and typically aggregates up to 3.58" (91mm) of snow.

Daylight

The average length of the day in January is 9h and 32min.
On the first day of January in Evanston, sunrise is at 7:18 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:03 pm CST.

Sunshine

With an average of 3.6h of sunshine, January has the least sunshine of the year in Evanston.

UV index

The average daily maximum UV index in January in Evanston is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What part of the year is the coldest in Evanston?

January is the coldest month in Evanston, exhibiting average temperatures of 29.1°F (-1.6°C) at the peak and 20.5°F (-6.4°C) at the base.

How cold is it in Evanston in January?

The high-temperature, in January, in Evanston, records 29.1°F (-1.6°C), while the low-temperature is 20.5°F (-6.4°C).

What is the most humid month in Evanston?

The most humid month in Evanston, Illinois, is January, with an average relative humidity of 82%.

What is the average humidity in January in Evanston?

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

How many days does it rain in January in Evanston?

In Evanston, Illinois, in January, during 6.8 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When does it snow the most in Evanston?

January is the month with the most snowfall in Evanston, Illinois. Snow falls for 11.6 days and accumulates 3.58" (91mm) of snow.

How many days does it snow in January in Evanston?

In Evanston, Illinois, in January, during 11.6 snowfall days, 3.58" (91mm) of snow is typically accumulated.

What is the average length of the day in January in Evanston?

The average day length in January in Evanston is 9h and 32min.

When are sunrise and sunset in January in Evanston?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:29 pm. On the last day of the month, in Evanston, Illinois, sunrise is at 7:04 am and sunset at 5:03 pm CST.

What is the month with the least sunshine in Evanston?

January has the least sunshine of the year, with an average of 3.6h of sunshine.

How many hours of sunshine does Evanston have in January?

In Evanston, the average sunshine duration in January is 3.6h.

What is the UV index intensity in January in Evanston?

In Evanston, Illinois, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe 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
Evanston, IL

Average temperature in January - Evanston, IL
  • Average high temperature in January: 29.1°F

The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in January: 20.5°F

The months with the highest average low temperature are July and August (68°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in January
Evanston, IL

Average pressure in January - Evanston, IL
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Evanston, IL

Average wind speed in January - Evanston, IL
  • Average wind speed in January: 12.7mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

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Average humidity in January
Evanston, IL

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

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
Evanston, IL

Average rainfall in January - Evanston, IL
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is December (1.38").

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Average rainfall days in January
Evanston, IL

Average rainfall days in January - Evanston, IL
  • Average rainfall days in January: 6.8 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in January
Evanston, IL

Average snowfall in January - Evanston, IL
  • Average snowfall in January: 3.58"

The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Evanston, IL

Average snowfall days in January - Evanston, IL
  • Average snowfall days in January: 11.6 days

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Evanston, IL

Average daylight in January / Average sunshine in January - Evanston, IL
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 3h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in January
Evanston, IL

Average sunshine days in January - Evanston, IL
  • Average sunshine days in January: 12 days

The month with the most sunshine days is December (15.3 days).
The months with the least sunshine days are June and July (10.9 days).

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Average UV index in January
Evanston, IL

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

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

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Average cloud cover in January
Evanston, IL

Average cloud cover in January - Evanston, IL
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in January
Evanston, IL

Average visibility in January - Evanston, 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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Evanston, Illinois, USA

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