January weather forecast
Irving, IL

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Weather in January

January, like December, in Irving, Illinois, is another cold winter month, with an average temperature varying between 22.6°F (-5.2°C) and 34.7°F (1.5°C).

Temperature

Irving, Illinois, experiences its lowest average temperatures in January, reaching a peak of 34.7°F (1.5°C) and a minimum of 22.6°F (-5.2°C).

Humidity

In January, the average relative humidity in Irving is 78%.

Rainfall

In Irving, Illinois, in January, it is raining for 7.9 days, with typically 1.73" (44mm) of accumulated precipitation. In Irving, during the entire year, the rain falls for 145.5 days and collects up to 27.44" (697mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Irving. In January, it is snowing for 7.4 days. Throughout January, 2.13" (54mm) of snow is accumulated. Throughout the year, in Irving, Illinois, there are 23.9 snowfall days, and 8.58" (218mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 47min.
On the first day of the month, sunrise is at 7:17 am and sunset at 4:45 pm. On the last day of January, in Irving, Illinois, sunrise is at 7:05 am and sunset at 5:16 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.4h of sunshine.

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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 2 during January translates into the following guidance:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Boost your sun resistance with garments that are densely woven yet spacious. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Irving?

In Irving, the average lowest temperatures are observed in January, with a high of 34.7°F (1.5°C) and a low of 22.6°F (-5.2°C).

How cold is it in Irving in January?

The average high-temperature and low-temperature in Irving during January are 34.7°F (1.5°C) and 22.6°F (-5.2°C) respectively.

What is the average humidity in January in Irving?

The average relative humidity in January is 78%.

How much does it rain in Irving in January?

In Irving, during January, the rain falls for 7.9 days and regularly aggregates up to 1.73" (44mm) of precipitation.

How many days does it snow in January in Irving?

In Irving, in January, snow falls for 7.4 days, with typically accumulated 2.13" (54mm) of snow.

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

In January, the average day length in Irving is 9h and 47min.

When is the sunrise / sunset in January in Irving?

In January, on the first day of the month, sunrise is at 7:17 am and sunset at 4:45 pm. On the last day of the month, in Irving, sunrise is at 7:05 am and sunset at 5:16 pm CST.

What is the month with the least sunshine in Irving?

January has the least sunshine of the year, with an average of 4.4h of sunshine.

How long on average sun shines in January in Irving?

In January, the average sunshine duration in Irving is 4.4h.

When is the lowest UV index in Irving?

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

What is the UV index intensity in January in Irving?

In Irving, 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 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
Irving, IL

Average temperature in January - Irving, IL
  • Average high temperature in January: 34.7°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in January: 22.6°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in January
Irving, IL

Average pressure in January - Irving, 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 (29.92"Hg).

Average wind speed in January
Irving, IL

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

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in January
Irving, IL

Average humidity in January - Irving, IL
  • Average humidity in January: 78%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Irving, IL

Average rainfall in January - Irving, IL
  • Average rainfall in January: 1.73"

The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (1.5").

Average rainfall days in January
Irving, IL

Average rainfall days in January - Irving, IL
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in January
Irving, IL

Average snowfall in January - Irving, IL
  • Average snowfall in January: 2.13"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Irving, IL

Average snowfall days in January - Irving, IL
  • Average snowfall days in January: 7.4 days

The month with the highest number of snowfall days is January (7.4 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
Irving, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in January
Irving, IL

Average sunshine days in January - Irving, IL
  • Average sunshine days in January: 17.6 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in January
Irving, IL

Average UV index in January - Irving, 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
Irving, IL

Average cloud cover in January - Irving, IL
  • Average cloud cover in January: 53

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July and September (Cloud cover 29).

Average visibility in January
Irving, IL

Average visibility in January - Irving, IL
  • Average visibility in January: 6mi

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

Irving, Illinois, USA

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