January weather forecast
Carbon Cliff, IL

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Weather in January

January, like December, is another subzero cold winter month in Carbon Cliff, Illinois, with temperature in the range of an average low of 15.4°F (-9.2°C) and an average high of 28.2°F (-2.1°C).

Temperature

Carbon Cliff witnesses the coldest weather in January, with temperatures averaging a high of 28.2°F (-2.1°C) and a low of 15.4°F (-9.2°C).

Humidity

January and July, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Carbon Cliff, in January, it is raining for 3.2 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, in Carbon Cliff, there are 99.4 rainfall days, and 9.57" (243mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Carbon Cliff are January through April, September through December. January is the month with the most snowfall in Carbon Cliff. Snow falls for 7.2 days and accumulates 1.26" (32mm) of snow.

Daylight

The average length of the day in January is 9h and 35min.
On the first day of January in Carbon Cliff, Illinois, sunrise is at 7:27 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:15 pm CST.

Sunshine

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

UV index

January is the month with the lowest UV index in Carbon Cliff, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 1 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the coldest month in Carbon Cliff?

Carbon Cliff's temperature records reveal January as the coldest month, marked by average highs of 28.2°F (-2.1°C) and lows of 15.4°F (-9.2°C).

How cold is it in Carbon Cliff in January?

An average high-temperature, in January, in Carbon Cliff, is 28.2°F (-2.1°C) and the average low-temperature is 15.4°F (-9.2°C).

What is the most humid month in Carbon Cliff?

January and July, with an average relative humidity of 83%, are most humid months.

What is the average humidity in January in Carbon Cliff?

In Carbon Cliff, the average relative humidity in January is 83%.

How many days does it rain in January in Carbon Cliff?

In January, in Carbon Cliff, the rain falls for 3.2 days. Throughout January, 0.43" (11mm) of precipitation is accumulated.

When does it snow the most in Carbon Cliff?

The month with the most snowfall is January, when snow falls for 7.2 days and typically aggregates up to 1.26" (32mm) of snow.

How much does it snow in Carbon Cliff in January?

In January, in Carbon Cliff, it is snowing for 7.2 days. Throughout January, 1.26" (32mm) of snow is accumulated.

How many hours of daylight does Carbon Cliff have in January?

The average day length in January in Carbon Cliff, Illinois, is 9h and 35min.

When is the sunrise / sunset in January in Carbon Cliff?

On the first day of January, sunrise is at 7:27 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:15 pm CST.

What is the month with the least sunshine in Carbon Cliff?

January has the least sunshine of the year in Carbon Cliff, Illinois, with an average of 3.9h of sunshine.

How many hours of sunshine does Carbon Cliff have in January?

In January, the average sunshine duration in Carbon Cliff, Illinois, is 3.9h.

When is the lowest UV index in Carbon Cliff?

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

What is the UV index intensity in January in Carbon Cliff?

In January, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
34.5°F 1.4°C
28.2°F -2.1°C
32.7°F 0.4°C
Average low temperature
23.9°F -4.5°C
15.4°F -9.2°C
19.6°F -6.9°C
Average pressure
30.11" 765mmHg
30.13" 765mmHg
30.12" 765mmHg
Average wind speed
9.8mph 15.8km/h
10.3mph 16.6km/h
10.4mph 16.7km/h
Average max. wind speed
10.4mph 16.7km/h
11mph 17.7km/h
11mph 17.7km/h
Average wind speed gusts
15.7mph 25.3km/h
16.5mph 26.6km/h
16.3mph 26.2km/h
Average humidity
81%
83%
82%
Average rainfall
0.35" 9mm
0.43" 11mm
0.39" 10mm
Average rainfall days
4.1
3.2
3.3
Average snowfall
0.39" 10mm
1.26" 32mm
0.94" 24mm
Average snowfall days
5
7.2
6.2
Average daylight
9h 1min
9h 4min
10h 4min
Average sunshine
4h 1min
3h 5min
4h 1min
Average sunshine days
22.4
22.2
19.5
Average UV index
2
1
2
Average cloud cover
56%
58%
56%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Carbon Cliff, IL

Average temperature in January - Carbon Cliff, IL
  • Average high temperature in January: 28.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in January: 15.4°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in January
Carbon Cliff, IL

Average pressure in January - Carbon Cliff, 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).

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Average wind speed in January
Carbon Cliff, IL

Average wind speed in January - Carbon Cliff, 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 (6.7mph).

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Average humidity in January
Carbon Cliff, IL

Average humidity in January - Carbon Cliff, IL
  • Average humidity in January: 83%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Carbon Cliff, IL

Average rainfall in January - Carbon Cliff, IL
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").

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Average rainfall days in January
Carbon Cliff, IL

Average rainfall days in January - Carbon Cliff, IL
  • Average rainfall days in January: 3.2 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).

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Average snowfall in January
Carbon Cliff, IL

Average snowfall in January - Carbon Cliff, IL
  • Average snowfall in January: 1.26"

The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in January
Carbon Cliff, IL

Average snowfall days in January - Carbon Cliff, IL
  • Average snowfall days in January: 7.2 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in January /
Average sunshine in January
Carbon Cliff, IL

Average daylight in January / Average sunshine in January - Carbon Cliff, 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 12min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in January
Carbon Cliff, IL

Average sunshine days in January - Carbon Cliff, IL
  • Average sunshine days in January: 22.2 days

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).

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Average UV index in January
Carbon Cliff, IL

Average UV index in January - Carbon Cliff, IL
  • Average UV index in January: 1

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

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Average cloud cover in January
Carbon Cliff, IL

Average cloud cover in January - Carbon Cliff, IL
  • Average cloud cover in January: 58

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in January
Carbon Cliff, IL

Average visibility in January - Carbon Cliff, 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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Carbon Cliff, Illinois, USA

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