January weather forecast
Flossmoor, IL

Share

Weather in January

January, the same as December, in Flossmoor, Illinois, is another subzero cold winter month, with an average temperature varying between 29.7°F (-1.3°C) and 18.9°F (-7.3°C).

Temperature

Temperature readings reach their annual highs in January, averaging 29.7°F (-1.3°C) and a minimum average of 18.9°F (-7.3°C).

Humidity

The months with the highest humidity in Flossmoor are January and February, with an average relative humidity of 82%.

Rainfall

In Flossmoor, during January, the rain falls for 6.8 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, in Flossmoor, there are 155.6 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall in Flossmoor. Snow falls for 12.6 days and accumulates 4.53" (115mm) of snow.

Daylight

In Flossmoor, Illinois, the average length of the day in January is 9h and 35min.
On the first day of the month, sunrise is at 7:17 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:04 pm CST.

Sunshine

January has the least sunshine of the year in Flossmoor, with an average of 3.6h of sunshine.

UV index

The average daily maximum UV index in January in Flossmoor is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 2 in January translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
[Resources]

Frequently asked questions

What part of the year is the coldest in Flossmoor?

The coldest temperatures in Flossmoor, Illinois, occur during January, when averages reach a peak of 29.7°F (-1.3°C) and a low of 18.9°F (-7.3°C).

How cold is it in Flossmoor in January?

In Flossmoor, 29.7°F (-1.3°C) is the average high-temperature and 18.9°F (-7.3°C) is the average low-temperature during January.

What are the most humid months in Flossmoor?

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

What is the average humidity in January in Flossmoor?

In January, the average relative humidity is 82%.

How many days does it rain in January in Flossmoor?

In January, the rain falls for 6.8 days. Throughout January, 1.77" (45mm) of precipitation is accumulated.

When does it snow the most in Flossmoor?

The month with the most snowfall is January, when snow falls for 12.6 days and typically aggregates up to 4.53" (115mm) of snow.

How many days does it snow in January in Flossmoor?

In January, it is snowing for 12.6 days. Throughout January, 4.53" (115mm) of snow is accumulated.

What is the average length of the day in January in Flossmoor?

In January, the average day length is 9h and 35min.

When is the sunrise / sunset in January in Flossmoor?

On the first day of January in Flossmoor, Illinois, sunrise is at 7:17 am and sunset at 4:31 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 in Flossmoor?

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

How long on average sun shines in January in Flossmoor?

In January, the average sunshine duration is 3.6h.

What is the UV index reading in January in Flossmoor?

In Flossmoor, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Flossmoor, IL

Average temperature in January - Flossmoor, IL
  • Average high temperature in January: 29.7°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

[Resources]

Average pressure in January
Flossmoor, IL

Average pressure in January - Flossmoor, 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).

[Resources]

Average wind speed in January
Flossmoor, IL

Average wind speed in January - Flossmoor, 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).

[Resources]

Average humidity in January
Flossmoor, IL

Average humidity in January - Flossmoor, 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 (73%).

[Resources]

Average rainfall in January
Flossmoor, IL

Average rainfall in January - Flossmoor, IL
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").

[Resources]

Average rainfall days in January
Flossmoor, IL

Average rainfall days in January - Flossmoor, IL
  • Average rainfall days in January: 6.8 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).

[Resources]

Average snowfall in January
Flossmoor, IL

Average snowfall in January - Flossmoor, IL
  • Average snowfall in January: 4.53"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in January
Flossmoor, IL

Average snowfall days in January - Flossmoor, IL
  • Average snowfall days in January: 12.6 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Flossmoor, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

[Resources]

Average sunshine days in January
Flossmoor, IL

Average sunshine days in January - Flossmoor, IL
  • Average sunshine days in January: 13 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).

[Resources]

Average UV index in January
Flossmoor, IL

Average UV index in January - Flossmoor, IL
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

[Resources]

Average cloud cover in January
Flossmoor, IL

Average cloud cover in January - Flossmoor, IL
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).

[Resources]

Average visibility in January
Flossmoor, IL

Average visibility in January - Flossmoor, IL
  • Average visibility in January: 5mi

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

[Resources]

Flossmoor, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location