January weather forecast
Magnolia, IL

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Weather in January

January, like December, is a freezing cold winter month in Magnolia, Illinois, with temperature in the range of an average high of 29.3°F (-1.5°C) and an average low of 17.4°F (-8.1°C).

Temperature

In Magnolia, the lowest average temperatures are observed in January, with a high of 29.3°F (-1.5°C) and a low of 17.4°F (-8.1°C).

Humidity

The average relative humidity in January in Magnolia is 82%.

Rainfall

The months with the least rainfall are January and December Rain falls for 6.4 days and accumulates 1.57" (40mm) of rain.

Snowfall

January through April, October through December are months with snowfall in Magnolia. In Magnolia, during January, snow falls for 11.2 days and regularly aggregates up to 3.62" (92mm) of snow. Throughout the year, in Magnolia, there are 36.7 snowfall days, and 14.09" (358mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 37min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:38 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:11 pm CST.

Sunshine

The month with the least sunshine in Magnolia is January, with an average of 3.9h of sunshine.

UV index

The month with the lowest UV index in Magnolia, Illinois, is January, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 1 in January translates into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Magnolia?

January brings the lowest temperatures in Magnolia, with an average high of 29.3°F (-1.5°C) and an average low of 17.4°F (-8.1°C).

How cold is January in Magnolia?

The average high-temperature and low-temperature in Magnolia during January are 29.3°F (-1.5°C) and 17.4°F (-8.1°C) respectively.

What is the average humidity in January in Magnolia?

In January, the average relative humidity is 82%.

What is the driest month in Magnolia?

January and December are months with the least rain in Magnolia, Illinois, when the rain falls for 6.4 days and typically aggregates up to 1.57" (40mm) of rain.

How much does it rain in Magnolia in January?

In Magnolia, Illinois, during January, the rain falls for 6.4 days and regularly aggregates up to 1.57" (40mm) of precipitation.

How many days does it snow in January in Magnolia?

In Magnolia, Illinois, in January, snow falls for 11.2 days, with typically accumulated 3.62" (92mm) of snow.

What is the average length of the day in January in Magnolia?

In January, the average day length in Magnolia, Illinois, is 9h and 37min.

When is the sunrise / sunset in January in Magnolia?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 4:38 pm. On the last day of the month, in Magnolia, Illinois, sunrise is at 7:08 am and sunset at 5:11 pm CST.

What is the month with the least sunshine in Magnolia?

The month with the least sunshine is January, with an average of 3.9h of sunshine.

How many hours of sunshine does Magnolia have in January?

The average sunshine duration in January in Magnolia, Illinois, is 3.9h.

When is the lowest UV index in Magnolia?

The month with the lowest UV index in Magnolia is January, with an average maximum UV index of 1.

What is the UV index reading in January in Magnolia?

In January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Magnolia, IL

Average temperature in January - Magnolia, IL
  • Average high temperature in January: 29.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in January: 17.4°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in January
Magnolia, IL

Average pressure in January - Magnolia, IL
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Magnolia, IL

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in January
Magnolia, IL

Average humidity in January - Magnolia, IL
  • Average humidity in January: 82%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Magnolia, IL

Average rainfall in January - Magnolia, IL
  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are January and December (1.57").

Average rainfall days in January
Magnolia, IL

Average rainfall days in January - Magnolia, IL
  • Average rainfall days in January: 6.4 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in January
Magnolia, IL

Average snowfall in January - Magnolia, IL
  • Average snowfall in January: 3.62"

The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Magnolia, IL

Average snowfall days in January - Magnolia, IL
  • Average snowfall days in January: 11.2 days

The month with the highest number of snowfall days is January (11.2 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
Magnolia, IL

Average daylight in January / Average sunshine in January - Magnolia, 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: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in January
Magnolia, IL

Average sunshine days in January - Magnolia, IL
  • Average sunshine days in January: 14.8 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in January
Magnolia, IL

Average UV index in January - Magnolia, IL
  • Average UV index in January: 1

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

Average cloud cover in January
Magnolia, IL

Average cloud cover in January - Magnolia, 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 32).

Average visibility in January
Magnolia, IL

Average visibility in January - Magnolia, IL
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

Magnolia, Illinois, USA

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