January weather forecast
Shawneetown, IL

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Weather in January

January, the same as December, is a wintry winter month in Shawneetown, Illinois, with an average temperature varying between 26.8°F (-2.9°C) and 39.7°F (4.3°C).

Temperature

January is the month when Shawneetown sees the lowest average temperatures, with a high of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C).

Humidity

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

Rainfall

In Shawneetown, in January, during 9.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Shawneetown, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.

Snowfall

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

Daylight

In 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

The month with the least sunshine is January, 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 2 during January leads to these instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January, noted for its average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 26.8°F (-2.9°C), is considered the coldest month.

How cold does it get in January?

In January, in Shawneetown, the average high-temperature is 39.7°F (4.3°C), and the average low-temperature is 26.8°F (-2.9°C).

What is the average humidity in January in Shawneetown?

In January, the average relative humidity is 77%.

How many days does it rain in January?

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

How much does it snow in January?

In January, it is snowing for 4.8 days. Throughout January, 0.71" (18mm) of snow is accumulated.

What is the average length of the day in January?

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

When is the sunrise / 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, sunrise is at 6:57 am and sunset at 5:14 pm CST.

What is the month with the least sunshine?

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

How long on average sun shines in January?

The average sunshine duration in January is 4.5h.

When is 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 Shawneetown, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Shawneetown, IL

Average temperature in January - 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
Shawneetown, IL

Average pressure in January - 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
Shawneetown, IL

Average wind speed in January - 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
Shawneetown, IL

Average humidity in January - 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
Shawneetown, IL

Average rainfall in January - 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
Shawneetown, IL

Average rainfall days in January - 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
Shawneetown, IL

Average snowfall in January - 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
Shawneetown, IL

Average snowfall days in January - 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
Shawneetown, IL

Average daylight in January / Average sunshine in January - 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
Shawneetown, IL

Average sunshine days in January - 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
Shawneetown, IL

Average UV index in January - 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
Shawneetown, IL

Average cloud cover in January - 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
Shawneetown, IL

Average visibility in January - 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).

Shawneetown, Illinois, USA

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