January weather forecast
Clarke City, IL

Share

Weather in January

January, like December, is a freezing cold winter month in Clarke City, Illinois, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 29.8°F (-1.2°C).

Temperature

The coldest month is January, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 18°F (-7.8°C).

Humidity

In January, the average relative humidity is 82%.

Rainfall

In Clarke City, in January, during 5.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 140.4 rainfall days, and 21.5" (546mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Clarke City, in January, snow falls for 11.5 days, with typically accumulated 1.89" (48mm) of snow. In Clarke City, during the entire year, snow falls for 38.1 days and aggregates up to 9.13" (232mm) of snow.

Daylight

In Clarke City, the average length of the day in January is 9h and 37min.
On the first day of the month, sunrise is at 7:18 am and sunset at 4:34 pm. On the last day of January, in Clarke City, Illinois, sunrise is at 7:04 am and sunset at 5:07 pm CST.

Sunshine

With an average of 3.9h of sunshine, January has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 1 in January interprets into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. It's recommended to limit sun exposure when its radiation is at its peak during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

In Clarke City, January is the month with the lowest recorded average temperatures, measuring a high of 29.8°F (-1.2°C) and a low of 18°F (-7.8°C).

How cold is it in January?

The high-temperature, in January, in Clarke City, is 29.8°F (-1.2°C), while the low-temperature averages to 18°F (-7.8°C).

What is the average humidity in January?

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

How much does it rain in Clarke City in January?

In Clarke City, in January, it is raining for 5.3 days, with typically 1.06" (27mm) of accumulated precipitation.

How much does it snow in January?

In Clarke City, in January, during 11.5 snowfall days, 1.89" (48mm) of snow is typically accumulated.

How many hours of daylight does Clarke City have in January?

In Clarke City, the average day length in January is 9h and 37min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:18 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:07 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year in Clarke City, with an average of 3.9h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 3.9h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Clarke City, IL

Average temperature in January - Clarke City, IL
  • Average high temperature in January: 29.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in January: 18°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in January
Clarke City, IL

Average pressure in January - Clarke 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 (29.92"Hg).

Average wind speed in January
Clarke City, IL

Average wind speed in January - Clarke City, IL
  • Average wind speed in January: 10.1mph

The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in January
Clarke City, IL

Average humidity in January - Clarke City, IL
  • Average humidity in January: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Clarke City, IL

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

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.98").

Average rainfall days in January
Clarke City, IL

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

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in January
Clarke City, IL

Average snowfall in January - Clarke City, IL
  • Average snowfall in January: 1.89"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Clarke City, IL

Average snowfall days in January - Clarke City, IL
  • Average snowfall days in January: 11.5 days

The month with the highest number of snowfall days is January (11.5 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
Clarke City, IL

Average daylight in January / Average sunshine in January - Clarke City, 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 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 54min).

Average sunshine days in January
Clarke City, IL

Average sunshine days in January - Clarke City, IL
  • Average sunshine days in January: 15.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in January
Clarke City, IL

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

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

Average cloud cover in January
Clarke City, IL

Average cloud cover in January - Clarke City, IL
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in January
Clarke City, IL

Average visibility in January - Clarke City, 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).

Clarke City, Illinois, USA

Weather forecast for your location

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