January weather forecast
Unity, IL

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Weather in January

January, the same as December, is a wintry winter month in Unity, Illinois, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 41.2°F (5.1°C).

Temperature

Unity's coldest month, January, registers temperatures that range from a high of 41.2°F (5.1°C) to a low of 28.4°F (-2°C).

Humidity

In Unity, the average relative humidity in January is 76%.

Rainfall

In Unity, in January, during 9.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 156.3 rainfall days, and 36.65" (931mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Unity, Illinois, during January, snow falls for 3.4 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, there are 11.5 snowfall days, and 4.88" (124mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 57min.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:00 am and sunset at 5:20 pm CST.

Sunshine

The average sunshine in January is 4.8h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January stands out as Unity's coldest month, with an average high-temperature of 41.2°F (5.1°C) and a low-temperature of 28.4°F (-2°C).

How cold is it in January?

In Unity, 41.2°F (5.1°C) is the average high-temperature and 28.4°F (-2°C) is the average low-temperature during January.

What is the average humidity in January?

In January, the average relative humidity in Unity is 76%.

How much does it rain in January?

In Unity, in January, during 9.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

How much does it snow in January?

In January, it is snowing for 3.4 days. Throughout January, 1.14" (29mm) of snow is accumulated.

How many hours of daylight does Unity have in January?

In January, the average day length is 9h and 57min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:10 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:20 pm CST.

How many hours of sunshine does Unity have in January?

In January, the average sunshine duration is 4.8h.

What are the months with the lowest UV index?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from 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
Unity, IL

Average temperature in January - Unity, IL
  • Average high temperature in January: 41.2°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in January: 28.4°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in January
Unity, IL

Average pressure in January - Unity, IL
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Unity, IL

Average wind speed in January - Unity, IL
  • Average wind speed in January: 9.1mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in January
Unity, IL

Average humidity in January - Unity, IL
  • Average humidity in January: 76%

The months with the highest relative humidity are February, March, May and December (78%).
The month with the lowest relative humidity is October (69%).

Average rainfall in January
Unity, IL

Average rainfall in January - Unity, IL
  • Average rainfall in January: 2.36"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in January
Unity, IL

Average rainfall days in January - Unity, IL
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in January
Unity, IL

Average snowfall in January - Unity, IL
  • Average snowfall in January: 1.14"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Unity, IL

Average snowfall days in January - Unity, IL
  • Average snowfall days in January: 3.4 days

The month with the highest number of snowfall days is February (3.8 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
Unity, IL

Average daylight in January / Average sunshine in January - Unity, IL
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in January
Unity, IL

Average sunshine days in January - Unity, IL
  • Average sunshine days in January: 17.4 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in January
Unity, IL

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in January
Unity, IL

Average cloud cover in January - Unity, IL
  • Average cloud cover in January: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in January
Unity, IL

Average visibility in January - Unity, 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).

Unity, Illinois, USA

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