January weather forecast
Park Ridge, IL

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Weather in January

Beginning the year with mostly cloudy conditions, the temperatures in Park Ridge, Illinois, range from 18.9°F (-7.3°C) to 28.8°F (-1.8°C). This month is typically the coldest and has the highest relative humidity of 82%, which often leads to frosty mornings. January tends to be quite windy, and the high humidity coupled with the low temperatures brings frequent snowfall to the area. Compared to the warmer months, the relatively fewer daylight hours contribute to the cold weather. The overall weather conditions of January make it an ideal time for indoor activities and cozy fireside evenings.

Temperature

The month of January, characterized by an average high of 28.8°F (-1.8°C) and a low of 18.9°F (-7.3°C), is recognized as the coldest.

Humidity

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

Rainfall

In Park Ridge, Illinois, during January, the rain falls for 4.2 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, in Park Ridge, there are 98.2 rainfall days, and 7.36" (187mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 8.3 days. Throughout January, 0.83" (21mm) of snow is accumulated. Throughout the year, there are 28.5 snowfall days, and 3.07" (78mm) of snow is accumulated.

Daylight

The average length of the day in January in Park Ridge is 9h and 32min.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:30 pm. On the last day of January, in Park Ridge, Illinois, 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 Park Ridge are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In January, a regular UV index of 1 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What part of the year is the coldest in Park Ridge?

January, with its high-temperature average of 28.8°F (-1.8°C) and a low-temperature average of 18.9°F (-7.3°C), is the coldest month.

How cold is January in Park Ridge?

During January, Park Ridge experiences an average high-temperature of 28.8°F (-1.8°C) and a low-temperature of 18.9°F (-7.3°C).

What is the most humid month in Park Ridge?

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

What is the average humidity in January in Park Ridge?

In January, the average relative humidity in Park Ridge is 82%.

How much does it rain in Park Ridge in January?

In Park Ridge, in January, during 4.2 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How many days does it snow in January in Park Ridge?

In Park Ridge, during January, snow falls for 8.3 days and regularly aggregates up to 0.83" (21mm) of snow.

How many hours of daylight does Park Ridge have in January?

In January, the average day length is 9h and 32min.

When are sunrise and sunset in January in Park Ridge?

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

What is the month with the least sunshine in Park Ridge?

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

How many hours of sunshine does Park Ridge have in January?

In Park Ridge, Illinois, the average sunshine duration in January is 3.7h.

When is the lowest UV index in Park Ridge?

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

How high is the UV index in January in Park Ridge?

In January, the average daily maximum UV index in Park Ridge is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Park Ridge, IL

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

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in January
Park Ridge, IL

Average pressure in January - Park Ridge, 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
Park Ridge, IL

Average wind speed in January - Park Ridge, IL
  • Average wind speed in January: 11.1mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in January
Park Ridge, IL

Average humidity in January - Park Ridge, 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 (72%).

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Average rainfall in January
Park Ridge, IL

Average rainfall in January - Park Ridge, IL
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is December (0.31").

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Average rainfall days in January
Park Ridge, IL

Average rainfall days in January - Park Ridge, IL
  • Average rainfall days in January: 4.2 days

The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in January
Park Ridge, IL

Average snowfall in January - Park Ridge, IL
  • Average snowfall in January: 0.83"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Park Ridge, IL

Average snowfall days in January - Park Ridge, IL
  • Average snowfall days in January: 8.3 days

The month with the highest number of snowfall days is January (8.3 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
Park Ridge, IL

Average daylight in January / Average sunshine in January - Park Ridge, 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 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Park Ridge, IL

Average sunshine days in January - Park Ridge, IL
  • Average sunshine days in January: 22.9 days

The month with the most sunshine days is December (23.3 days).
The month with the least sunshine days is June (14.7 days).

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Average UV index in January
Park Ridge, IL

Average UV index in January - Park Ridge, 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
Park Ridge, IL

Average cloud cover in January - Park Ridge, 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 28).

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Average visibility in January
Park Ridge, IL

Average visibility in January - Park Ridge, 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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Park Ridge, Illinois, USA

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