January weather forecast
Old Shawneetown, IL

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Weather in January

January, like December, in Old Shawneetown, Illinois, is another cold winter month, with an average temperature varying between 26.8°F (-2.9°C) and 39.7°F (4.3°C).

Temperature

The month of January, characterized by an average high of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C), is recognized as the coldest.

Humidity

In Old Shawneetown, Illinois, the average relative humidity in January is 77%.

Rainfall

In Old Shawneetown, in January, during 9.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 146.3 rainfall days, and 24.96" (634mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Old Shawneetown, during January, snow falls for 4.8 days and regularly aggregates up to 0.71" (18mm) of snow. Throughout the year, there are 15.9 snowfall days, and 3.58" (91mm) of snow is accumulated.

Daylight

In Old Shawneetown, the average length of the day in January is 9h and 55min.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of January, sunrise is at 6:57 am and sunset at 5:14 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.5h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 during January translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Old Shawneetown?

Old Shawneetown reaches its average lowest temperatures in January, measuring 39.7°F (4.3°C) at the peak and 26.8°F (-2.9°C) at the lowest.

How cold does it get in January?

During January, Old Shawneetown experiences an average high-temperature of 39.7°F (4.3°C) and a low-temperature of 26.8°F (-2.9°C).

What is the average humidity in January?

In January, the average relative humidity is 77%.

How many days does it rain in January?

In Old Shawneetown, in January, during 9.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Old Shawneetown, Illinois, during January, snow falls for 4.8 days and regularly aggregates up to 0.71" (18mm) of snow.

How many hours of daylight does Old Shawneetown have in January?

In Old Shawneetown, the average day length in January is 9h and 55min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, in Old Shawneetown, sunrise is at 6:57 am and sunset at 5:14 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4.5h of sunshine.

How many hours of sunshine does Old Shawneetown have in January?

In Old Shawneetown, the average sunshine duration in January is 4.5h.

What are the months with the lowest UV index?

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

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Old Shawneetown, IL

Average temperature in January - Old Shawneetown, IL
  • Average high temperature in January: 39.7°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in January: 26.8°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in January
Old Shawneetown, IL

Average pressure in January - Old Shawneetown, 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 (29.95"Hg).

Average wind speed in January
Old Shawneetown, IL

Average wind speed in January - Old Shawneetown, IL
  • Average wind speed in January: 9.7mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in January
Old Shawneetown, IL

Average humidity in January - Old Shawneetown, IL
  • Average humidity in January: 77%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in January
Old Shawneetown, IL

Average rainfall in January - Old Shawneetown, IL
  • Average rainfall in January: 1.97"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days in January
Old Shawneetown, IL

Average rainfall days in January - Old Shawneetown, IL
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

Average snowfall in January
Old Shawneetown, IL

Average snowfall in January - Old Shawneetown, IL
  • Average snowfall in January: 0.71"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Old Shawneetown, IL

Average snowfall days in January - Old Shawneetown, IL
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is January (4.8 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
Old Shawneetown, IL

Average daylight in January / Average sunshine in January - Old Shawneetown, IL
  • Average daylight in January: 9h and 5min

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 36min).

  • Average sunshine in January: 4h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in January
Old Shawneetown, IL

Average sunshine days in January - Old Shawneetown, IL
  • Average sunshine days in January: 17 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in January
Old Shawneetown, IL

Average UV index in January - Old Shawneetown, 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
Old Shawneetown, IL

Average cloud cover in January - Old Shawneetown, IL
  • Average cloud cover in January: 51

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in January
Old Shawneetown, IL

Average visibility in January - Old Shawneetown, 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).

Old Shawneetown, Illinois, USA

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