January weather forecast
La Prairie, IL

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Weather in January

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

Temperature

January is the coldest month of the year, registering average temperatures as high as 32.7°F (0.4°C) and as low as 20.1°F (-6.6°C).

Humidity

The average relative humidity in January in La Prairie is 79%.

Rainfall

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.

Snowfall

Months with snowfall in La Prairie are January through April, October through December. The month with the most snowfall in La Prairie is January, when snow falls for 8.8 days and typically aggregates up to 2.76" (70mm) of snow.

Daylight

In January, the average length of the day in La Prairie is 9h and 42min.
On the first day of January, 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.

Sunshine

The month with the least sunshine in La Prairie, Illinois, is January, with an average of 4.3h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in La Prairie. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 2 in January translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What time of the year is the coldest in La Prairie?

La Prairie records the coldest temperatures in January, averaging a high of 32.7°F (0.4°C) and a low of 20.1°F (-6.6°C).

How cold is it in La Prairie in January?

January temperatures in La Prairie vary between a high-temperature of 32.7°F (0.4°C) and a low-temperature of 20.1°F (-6.6°C).

What is the average humidity in January in La Prairie?

The average relative humidity in January in La Prairie, Illinois, is 79%.

What is the driest month in La Prairie?

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

How many days does it rain in January in La Prairie?

In January, the rain falls for 5 days. Throughout January, 1.02" (26mm) of precipitation is accumulated.

What is the snowiest month in La Prairie?

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

How many days does it snow in January in La Prairie?

In January, in La Prairie, it is snowing for 8.8 days. Throughout January, 2.76" (70mm) of snow is accumulated.

What is the average length of the day in January in La Prairie?

In January, the average day length is 9h and 42min.

When are sunrise and sunset in January in La Prairie?

On the first day of January in La Prairie, Illinois, 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 in La Prairie?

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

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

In January, the average sunshine duration is 4.3h.

What are the months with the lowest UV index in La Prairie?

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

What is the UV index reading in January in La Prairie?

In La Prairie, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
38.5°F 3.6°C
32.7°F 0.4°C
37.6°F 3.1°C
Average low temperature
26.8°F -2.9°C
20.1°F -6.6°C
24.1°F -4.4°C
Average pressure
30.12" 765mmHg
30.15" 766mmHg
30.12" 765mmHg
Average wind speed
9.8mph 15.8km/h
10.3mph 16.6km/h
10.3mph 16.6km/h
Average max. wind speed
10.4mph 16.7km/h
10.9mph 17.5km/h
11mph 17.7km/h
Average wind speed gusts
15.7mph 25.3km/h
16.3mph 26.2km/h
16.1mph 25.9km/h
Average humidity
78%
79%
78%
Average rainfall
1.02" 26mm
1.02" 26mm
1.06" 27mm
Average rainfall days
5.8
5
5.1
Average snowfall
1.46" 37mm
2.76" 70mm
1.73" 44mm
Average snowfall days
5.5
8.8
6.6
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
4h 4min
4h 2min
4h 3min
Average sunshine days
19.6
18.1
16.3
Average UV index
2
2
2
Average cloud cover
49%
53%
51%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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La Prairie, Illinois, USA

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