January weather forecast
Calumet Park, IL

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Weather in January

January, like December, is a freezing cold winter month in Calumet Park, Illinois, with an average temperature fluctuating between 18.9°F (-7.3°C) and 29.5°F (-1.4°C).

Temperature

The coldest period tends to be January, when average temperatures fluctuate between a high of 29.5°F (-1.4°C) and a low of 18.9°F (-7.3°C).

Humidity

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

Rainfall

In Calumet Park, in January, it is raining for 6.2 days, with typically 1.18" (30mm) of accumulated precipitation. In Calumet Park, during the entire year, the rain falls for 147.7 days and collects up to 23.62" (600mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In January, it is snowing for 11.8 days. Throughout January, 2.72" (69mm) of snow is accumulated. In Calumet Park, during the entire year, snow falls for 42.4 days and aggregates up to 11.61" (295mm) of snow.

Daylight

The average length of the day in January is 9h and 34min.
On the first day of January, sunrise is at 7:17 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:03 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

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Calumet Park's coldest month, January, generally records average temperatures ranging from a high of 29.5°F (-1.4°C) to a low of 18.9°F (-7.3°C).

How cold is it in January?

During January, Calumet Park experiences an average high-temperature of 29.5°F (-1.4°C) and a low-temperature of 18.9°F (-7.3°C).

What is the most humid month?

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

What is the average humidity in January?

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

How much does it rain in January?

In Calumet Park, in January, it is raining for 6.2 days, with typically 1.18" (30mm) of accumulated precipitation.

How much does it snow in January?

In Calumet Park, during January, snow falls for 11.8 days and regularly aggregates up to 2.72" (69mm) of snow.

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

In January, the average day length is 9h and 34min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:17 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:04 pm CST.

What is the month with the least sunshine?

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

How long on average sun shines in January?

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

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
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
Calumet Park, IL

Average temperature in January - Calumet Park, IL
  • Average high temperature in January: 29.5°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in January: 18.9°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 (18.9°F).

Average pressure in January
Calumet Park, IL

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

Average wind speed in January - Calumet Park, IL
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in January
Calumet Park, IL

Average humidity in January - Calumet Park, 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%).

Average rainfall in January
Calumet Park, IL

Average rainfall in January - Calumet Park, IL
  • Average rainfall in January: 1.18"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").

Average rainfall days in January
Calumet Park, IL

Average rainfall days in January - Calumet Park, IL
  • Average rainfall days in January: 6.2 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in January
Calumet Park, IL

Average snowfall in January - Calumet Park, IL
  • Average snowfall in January: 2.72"

The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Calumet Park, IL

Average snowfall days in January - Calumet Park, IL
  • Average snowfall days in January: 11.8 days

The month with the highest number of snowfall days is January (11.8 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
Calumet Park, IL

Average daylight in January / Average sunshine in January - Calumet Park, IL
  • Average daylight in January: 9h and 4min

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 month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in January
Calumet Park, IL

Average sunshine days in January - Calumet Park, IL
  • Average sunshine days in January: 13.9 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in January
Calumet Park, IL

Average UV index in January - Calumet Park, 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).

Average cloud cover in January
Calumet Park, IL

Average cloud cover in January - Calumet Park, IL
  • Average cloud cover in January: 60

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in January
Calumet Park, IL

Average visibility in January - Calumet Park, 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).

Calumet Park, Illinois, USA

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