January weather forecast
La Prairie, IL

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Weather in January

January, like December, in La Prairie, Illinois, is a wintry winter month, with temperature in the range of an average high of 32.7°F (0.4°C) and an average low of 20.1°F (-6.6°C).

Temperature

January, noted for its average high-temperature of 32.7°F (0.4°C) and an average low-temperature of 20.1°F (-6.6°C), is considered the coldest month.

Humidity

In January, the average relative humidity is 79%.

Rainfall

The months with the least rainfall are January and December Rain falls for 5 days and accumulates 1.02" (26mm) of rain.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 8.8 days and accumulates 2.76" (70mm) of snow.

Daylight

The average length of the day in January is 9h and 42min.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:48 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:21 pm CST.

Sunshine

With an average of 4.3h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 2 in January leads to these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Aug 12, 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 is the coldest month, with the temperature often reaching an average high of 32.7°F (0.4°C) and an average low of 20.1°F (-6.6°C).

How cold is it in January?

In La Prairie, in January, the average high-temperature is 32.7°F (0.4°C), and the average low-temperature is 20.1°F (-6.6°C).

What is the average humidity in January?

The average relative humidity in January is 79%.

What is the driest month?

January and December are months with the least rain when the rain falls for 5 days and typically aggregates up to 1.02" (26mm) of rain.

How many days does it rain in January?

In La Prairie, during January, the rain falls for 5 days and regularly aggregates up to 1.02" (26mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 8.8 days and typically aggregates up to 2.76" (70mm) of snow.

How much does it snow in January?

In La Prairie, in January, snow falls for 8.8 days, with typically accumulated 2.76" (70mm) of snow.

How many hours of daylight does La Prairie have in January?

The average day length in January is 9h and 42min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:26 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:21 pm CST.

What is the month with the least sunshine?

With an average of 4.3h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does La Prairie have in January?

In January, the average sunshine duration is 4.3h.

When is the lowest UV index?

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

How high is the UV index in January?

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

Average temperature in January - La Prairie, IL
  • Average high temperature in January: 32.7°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in January: 20.1°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in January
La Prairie, IL

Average pressure in January - La Prairie, IL
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
La Prairie, IL

Average wind speed in January - La Prairie, IL
  • Average wind speed in January: 10.3mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

Average humidity in January
La Prairie, IL

Average humidity in January - La Prairie, IL
  • Average humidity in January: 79%

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
La Prairie, IL

Average rainfall in January - La Prairie, IL
  • Average rainfall in January: 1.02"

The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are January and December (1.02").

Average rainfall days in January
La Prairie, IL

Average rainfall days in January - La Prairie, IL
  • Average rainfall days in January: 5 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5 days).

Average snowfall in January
La Prairie, IL

Average snowfall in January - La Prairie, IL
  • Average snowfall in January: 2.76"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
La Prairie, IL

Average snowfall days in January - La Prairie, IL
  • Average snowfall days in January: 8.8 days

The month with the highest number of snowfall days is January (8.8 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
La Prairie, IL

Average daylight in January / Average sunshine in January - La Prairie, 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 24min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in January
La Prairie, IL

Average sunshine days in January - La Prairie, IL
  • Average sunshine days in January: 18.1 days

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in January
La Prairie, IL

Average UV index in January - La Prairie, IL
  • Average UV index in January: 2

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

Average cloud cover in January
La Prairie, IL

Average cloud cover in January - La Prairie, IL
  • Average cloud cover in January: 53

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in January
La Prairie, IL

Average visibility in January - La Prairie, 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).

La Prairie, Illinois, USA

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