January weather forecast
New Grand Chain, IL

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Weather in January

January, like December, in New Grand Chain, Illinois, is a wintry winter month, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 27°F (-2.8°C).

Temperature

New Grand Chain's January weather, marked by an average high temperature of 40.1°F (4.5°C) and an average low temperature of 27°F (-2.8°C), is the coldest in the year.

Humidity

In January, the average relative humidity is 76%.

Rainfall

In New Grand Chain, in January, during 7.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In New Grand Chain, in January, snow falls for 3.3 days, with typically accumulated 0.35" (9mm) of snow. In New Grand Chain, during the entire year, snow falls for 11 days and aggregates up to 1.57" (40mm) of snow.

Daylight

In January, the average length of the day is 9h and 57min.
On the first day of January, sunrise is at 7:09 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:19 pm CST.

Sunshine

January and February, with an average of 4.6h of sunshine, are months with the least sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 2 suggests this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Temperature records mark January as the coldest month, with highs averaging 40.1°F (4.5°C) and lows at 27°F (-2.8°C).

How cold is January?

The average high-temperature and low-temperature in New Grand Chain during January are 40.1°F (4.5°C) and 27°F (-2.8°C) respectively.

What is the average humidity in January?

The average relative humidity in January is 76%.

How many days does it rain in January?

In New Grand Chain, during January, the rain falls for 7.3 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How much does it snow in January?

In New Grand Chain, in January, during 3.3 snowfall days, 0.35" (9mm) of snow is typically accumulated.

How many hours of daylight does New Grand Chain have in January?

In New Grand Chain, the average day length in January is 9h and 57min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:09 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:19 pm CST.

What are the months with the least sunshine?

The months with the least sunshine are January and February, with an average of 4.6h of sunshine.

How many hours of sunshine does New Grand Chain have in January?

In January, the average sunshine duration is 4.6h.

When is the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes 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
New Grand Chain, IL

Average temperature in January - New Grand Chain, IL
  • Average high temperature in January: 40.1°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in January
New Grand Chain, IL

Average pressure in January - New Grand Chain, 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 (29.94"Hg).

Average wind speed in January
New Grand Chain, IL

Average wind speed in January - New Grand Chain, IL
  • Average wind speed in January: 9mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in January
New Grand Chain, IL

Average humidity in January - New Grand Chain, IL
  • Average humidity in January: 76%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
New Grand Chain, IL

Average rainfall in January - New Grand Chain, IL
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in January
New Grand Chain, IL

Average rainfall days in January - New Grand Chain, IL
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

Average snowfall in January
New Grand Chain, IL

Average snowfall in January - New Grand Chain, IL
  • Average snowfall in January: 0.35"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
New Grand Chain, IL

Average snowfall days in January - New Grand Chain, IL
  • Average snowfall days in January: 3.3 days

The month with the highest number of snowfall days is January (3.3 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
New Grand Chain, IL

Average daylight in January / Average sunshine in January - New Grand Chain, 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 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in January
New Grand Chain, IL

Average sunshine days in January - New Grand Chain, IL
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

Average UV index in January
New Grand Chain, IL

Average UV index in January - New Grand Chain, 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
New Grand Chain, IL

Average cloud cover in January - New Grand Chain, IL
  • Average cloud cover in January: 51

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in January
New Grand Chain, IL

Average visibility in January - New Grand Chain, 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).

New Grand Chain, Illinois, USA

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