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

In Park Ridge, January records the lowest average temperatures, peaking at 28.8°F (-1.8°C) and reaching a low of 18.9°F (-7.3°C).

Humidity

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

Rainfall

In January, the rain falls for 4.2 days. Throughout January, 0.39" (10mm) of precipitation is accumulated. In Park Ridge, during the entire year, the rain falls for 98.2 days and collects up to 7.36" (187mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Park Ridge, Illinois, during January, snow falls for 8.3 days and regularly aggregates up to 0.83" (21mm) of snow. In Park Ridge, during the entire year, snow falls for 28.5 days and aggregates up to 3.07" (78mm) of snow.

Daylight

In January, the average length of the day 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

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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 1 in January translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Park Ridge's January weather, with an average high temperature of 28.8°F (-1.8°C) and an average low temperature of 18.9°F (-7.3°C), tends to be the coldest of the year.

How cold is January?

An average high-temperature, in January, in Park Ridge, is 28.8°F (-1.8°C) and the average low-temperature is 18.9°F (-7.3°C).

What is the most humid month?

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

What is the average humidity in January?

The average relative humidity in January is 82%.

How many days does it rain in January?

In January, the rain falls for 4.2 days. Throughout January, 0.39" (10mm) of precipitation is accumulated.

How much does it snow in January?

In January, in Park Ridge, it is snowing for 8.3 days. Throughout January, 0.83" (21mm) of snow is accumulated.

What is the average length of the day in January?

In Park Ridge, Illinois, the average day length in January is 9h and 32min.

What time are sunrise and sunset in January?

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, sunrise is at 7:05 am and sunset at 5:04 pm CST.

What is the month with the least sunshine?

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

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

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

What are the months with the lowest UV index in Park Ridge?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
35.1°F 1.7°C
28.8°F -1.8°C
32°F 0°C
Average low temperature
26.1°F -3.3°C
18.9°F -7.3°C
21°F -6.1°C
Average pressure
30.09" 764mmHg
30.11" 765mmHg
30.1" 765mmHg
Average wind speed
10.4mph 16.7km/h
11.1mph 17.9km/h
10.7mph 17.2km/h
Average max. wind speed
11mph 17.7km/h
11.6mph 18.7km/h
11.3mph 18.2km/h
Average wind speed gusts
15.4mph 24.8km/h
16.3mph 26.2km/h
16.4mph 26.4km/h
Average humidity
80%
82%
81%
Average rainfall
0.31" 8mm
0.39" 10mm
0.39" 10mm
Average rainfall days
4.5
4.2
2.8
Average snowfall
0.16" 4mm
0.83" 21mm
0.98" 25mm
Average snowfall days
5.8
8.3
6.6
Average daylight
9h 1min
9h 3min
10h 4min
Average sunshine
3h 5min
3h 4min
3h 5min
Average sunshine days
23.3
22.9
20.6
Average UV index
1
1
2
Average cloud cover
59%
62%
59%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Park Ridge, Illinois, USA

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