January weather forecast
Northlake, IL

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Weather in January

January, like December, is another subzero cold winter month in Northlake, Illinois, with an average temperature ranging between min 18°F (-7.8°C) and max 28.8°F (-1.8°C).

Temperature

With average high and low temperatures of 28.8°F (-1.8°C) and 18°F (-7.8°C) respectively, January is Northlake's coldest month.

Humidity

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

Rainfall

In Northlake, Illinois, in January, during 6.3 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, in Northlake, there are 149.4 rainfall days, and 25.08" (637mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in January is 9h and 32min.
On the first day of January, sunrise is at 7:19 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:04 pm CST.

Sunshine

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

UV index

The months with the lowest UV index in Northlake are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 1 during January leads to these instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What time of the year is the coldest in Northlake?

The coldest time of the year is January, with temperatures averaging a high of 28.8°F (-1.8°C) and a low of 18°F (-7.8°C).

How cold is it in Northlake in January?

Northlake in January has an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 18°F (-7.8°C).

What are the most humid months in Northlake?

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

What is the average humidity in January in Northlake?

The average relative humidity in January in Northlake, Illinois, is 82%.

How many days does it rain in January in Northlake?

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

How much does it snow in Northlake in January?

In Northlake, in January, snow falls for 12.4 days, with typically accumulated 3.62" (92mm) of snow.

How many hours of daylight does Northlake have in January?

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

When are sunrise and sunset in January in Northlake?

On the first day of January in Northlake, sunrise is at 7:19 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:04 pm CST.

What is the month with the least sunshine in Northlake?

The month with the least sunshine in Northlake, Illinois, is January, with an average of 3.7h of sunshine.

How long on average sun shines in January in Northlake?

In Northlake, the average sunshine duration in January is 3.7h.

When is the lowest UV index in Northlake?

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

What is the UV index reading in January in Northlake?

The average daily maximum UV index in January is 1. 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
Northlake, IL

Average temperature in January - Northlake, 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
Northlake, IL

Average pressure in January - Northlake, 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
Northlake, IL

Average wind speed in January - Northlake, 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
Northlake, IL

Average humidity in January - Northlake, 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
Northlake, IL

Average rainfall in January - Northlake, 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
Northlake, IL

Average rainfall days in January - Northlake, 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
Northlake, IL

Average snowfall in January - Northlake, 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
Northlake, IL

Average snowfall days in January - Northlake, 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
Northlake, IL

Average daylight in January / Average sunshine in January - Northlake, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Northlake, IL

Average sunshine days in January - Northlake, 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
Northlake, IL

Average UV index in January - Northlake, 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
Northlake, IL

Average cloud cover in January - Northlake, 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
Northlake, IL

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

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