January weather forecast
Pearl City, IL

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Weather in January

January sees winter reign in the city of Pearl City, Illinois, creating a truly picturesque scene with a characteristic chill in the air. Snow make a regular appearance with a total accumulation of 3.46" (88mm) across approximately 13 days. Back-to-back short days, low sunlight hours, and reduced visibility further augment the quintessential winter feel, making indoor activities and warm beverages the norm. Wind speeds are noticeable in this month, making preparedness against wind chill essential. Overall, January, with its frosty appeal, is the threshold to the New Year, inviting all to appreciate the serene, snowy wonderland.

Temperature

The month of January sees the lowest average temperatures in Pearl City, reaching 24.8°F (-4°C) at the peak and 12.9°F (-10.6°C) at the low.

Humidity

The most humid month is January, with an average relative humidity of 87%.

Rainfall

January is the month with the least rainfall. Rain falls for 5.3 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Pearl City. January is the month with the most snowfall in Pearl City. Snow falls for 13.1 days and accumulates 3.46" (88mm) of snow.

Daylight

The average length of the day in January in Pearl City is 9h and 31min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:11 pm CST.

Sunshine

With an average of 3.6h of sunshine, January has the least sunshine of the year in Pearl City, Illinois.

UV index

The months with the lowest UV index in Pearl City are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In January, the average maximum UV index of 1 translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Pearl City?

Pearl City, Illinois, experiences its lowest temperatures in January, with an average peak of 24.8°F (-4°C) and a low of 12.9°F (-10.6°C).

How cold is it in Pearl City in January?

In January, in Pearl City, the average high-temperature is 24.8°F (-4°C), and the average low-temperature is 12.9°F (-10.6°C).

What is the most humid month in Pearl City?

The most humid month in Pearl City, Illinois, is January, with an average relative humidity of 87%.

What is the average humidity in January in Pearl City?

In Pearl City, the average relative humidity in January is 87%.

What is the driest month in Pearl City?

The month with the least rainfall is January, when the rain falls for 5.3 days and typically collects 1.06" (27mm) of precipitation.

How many days does it rain in January in Pearl City?

In January, in Pearl City, the rain falls for 5.3 days. Throughout January, 1.06" (27mm) of precipitation is accumulated.

What is the snowiest month in Pearl City?

The month with the most snowfall in Pearl City is January, when snow falls for 13.1 days and typically aggregates up to 3.46" (88mm) of snow.

How many days does it snow in January in Pearl City?

In Pearl City, in January, during 13.1 snowfall days, 3.46" (88mm) of snow is typically accumulated.

What is the average length of the day in January in Pearl City?

In Pearl City, Illinois, the average day length in January is 9h and 31min.

When is the sunrise / sunset in January in Pearl City?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:37 pm. On the last day of the month, in Pearl City, sunrise is at 7:13 am and sunset at 5:11 pm CST.

What is the month with the least sunshine in Pearl City?

The month with the least sunshine is January, with an average of 3.6h of sunshine.

How many hours of sunshine does Pearl City have in January?

In Pearl City, Illinois, the average sunshine duration in January is 3.6h.

When is the lowest UV index in Pearl City?

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

What is the UV index intensity in January in Pearl City?

In Pearl City, Illinois, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Pearl City, IL

Average temperature in January - Pearl City, IL
  • Average high temperature in January: 24.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in January: 12.9°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in January
Pearl City, IL

Average pressure in January - Pearl City, IL
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Pearl City, IL

Average wind speed in January - Pearl City, IL
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in January
Pearl City, IL

Average humidity in January - Pearl City, IL
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

Average rainfall in January
Pearl City, IL

Average rainfall in January - Pearl City, IL
  • Average rainfall in January: 1.06"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in January
Pearl City, IL

Average rainfall days in January - Pearl City, IL
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (5.3 days).

Average snowfall in January
Pearl City, IL

Average snowfall in January - Pearl City, IL
  • Average snowfall in January: 3.46"

The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Pearl City, IL

Average snowfall days in January - Pearl City, IL
  • Average snowfall days in January: 13.1 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Pearl City, IL

Average daylight in January / Average sunshine in January - Pearl City, 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: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in January
Pearl City, IL

Average sunshine days in January - Pearl City, IL
  • Average sunshine days in January: 14.3 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in January
Pearl City, IL

Average UV index in January - Pearl City, IL
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Pearl City, IL

Average cloud cover in January - Pearl City, IL
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in January
Pearl City, IL

Average visibility in January - Pearl City, IL
  • Average visibility in January: 5mi

The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).

Pearl City, Illinois, USA

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