January weather forecast
Risk, IL

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Weather in January

January, the same as December, in Risk, Illinois, is a freezing cold winter month, with an average temperature ranging between max 30.6°F (-0.8°C) and min 18.5°F (-7.5°C).

Temperature

The coldest time of the year is January, with temperatures averaging a high of 30.6°F (-0.8°C) and a low of 18.5°F (-7.5°C).

Humidity

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

Rainfall

The month with the least rainfall is January, when the rain falls for 5 days and typically collects 0.79" (20mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 10.6 days and typically aggregates up to 2.09" (53mm) of snow.

Daylight

In Risk, the average length of the day in January is 9h and 40min.
On the first day of the month, sunrise is at 7:17 am and sunset at 4:36 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:09 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 3.8h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January, marked by an average high-temperature of 30.6°F (-0.8°C) and a low-temperature of 18.5°F (-7.5°C), is the coldest month.

How cold is January in Risk?

In January, the average high-temperature and low-temperature are 30.6°F (-0.8°C) and 18.5°F (-7.5°C) respectively.

What is the average humidity in January?

The average relative humidity in January is 82%.

What is the driest month in Risk?

January is the month with the least rainfall. Rain falls for 5 days and accumulates 0.79" (20mm) of precipitation.

How many days does it rain in January?

In Risk, in January, it is raining for 5 days, with typically 0.79" (20mm) of accumulated precipitation.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 10.6 days and accumulates 2.09" (53mm) of snow.

How much does it snow in January?

In Risk, in January, during 10.6 snowfall days, 2.09" (53mm) of snow is typically accumulated.

What is the average length of the day in January?

In Risk, the average day length in January is 9h and 40min.

What time are sunrise and sunset in January?

On the first day of January in Risk, sunrise is at 7:17 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:09 pm CST.

What is the month with the least sunshine?

With an average of 3.8h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Risk have in January?

The average sunshine duration in January is 3.8h.

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents 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
Risk, IL

Average temperature in January - Risk, IL
  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in January: 18.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in January
Risk, IL

Average pressure in January - Risk, IL
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Risk, IL

Average wind speed in January - Risk, IL
  • Average wind speed in January: 10.8mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in January
Risk, IL

Average humidity in January - Risk, IL
  • Average humidity in January: 82%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Risk, IL

Average rainfall in January - Risk, IL
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in January
Risk, IL

Average rainfall days in January - Risk, IL
  • Average rainfall days in January: 5 days

The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (5 days).

Average snowfall in January
Risk, IL

Average snowfall in January - Risk, IL
  • Average snowfall in January: 2.09"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Risk, IL

Average snowfall days in January - Risk, IL
  • Average snowfall days in January: 10.6 days

The month with the highest number of snowfall days is January (10.6 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
Risk, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in January
Risk, IL

Average sunshine days in January - Risk, IL
  • Average sunshine days in January: 17.2 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in January
Risk, IL

Average UV index in January - Risk, 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).

Average cloud cover in January
Risk, IL

Average cloud cover in January - Risk, IL
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in January
Risk, IL

Average visibility in January - Risk, IL
  • Average visibility in January: 6mi

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

Risk, Illinois, USA

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