January weather forecast
Bluff Springs, IL

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Weather in January

January, like December, in Bluff Springs, Illinois, is an icy winter month, with an average temperature fluctuating between 20.5°F (-6.4°C) and 32.7°F (0.4°C).

Temperature

With average high and low temperatures of 32.7°F (0.4°C) and 20.5°F (-6.4°C) respectively, January is Bluff Springs's coldest month.

Humidity

In January, the average relative humidity is 79%.

Rainfall

In Bluff Springs, in January, it is raining for 7 days, with typically 1.73" (44mm) of accumulated precipitation. In Bluff Springs, during the entire year, the rain falls for 142.2 days and collects up to 27.95" (710mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 10.1 days and typically aggregates up to 4.21" (107mm) of snow.

Daylight

The average length of the day in January is 9h and 43min.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:18 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.2h 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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 2 translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January is the coldest month, exhibiting average temperatures of 32.7°F (0.4°C) at the peak and 20.5°F (-6.4°C) at the base.

How cold is it in January?

January temperatures vary between a high-temperature of 32.7°F (0.4°C) and a low-temperature of 20.5°F (-6.4°C).

What is the average humidity in January?

In Bluff Springs, the average relative humidity in January is 79%.

How many days does it rain in January?

In Bluff Springs, in January, during 7 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 10.1 days and typically aggregates up to 4.21" (107mm) of snow.

How many days does it snow in January?

In Bluff Springs, in January, during 10.1 snowfall days, 4.21" (107mm) of snow is typically accumulated.

What is the average length of the day in January in Bluff Springs?

In Bluff Springs, the average day length in January is 9h and 43min.

What time are sunrise and sunset in January in Bluff Springs?

In January, on the first day of the month, sunrise is at 7:23 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:18 pm CST.

What is the month with the least sunshine in Bluff Springs?

The month with the least sunshine is January, with an average of 4.2h of sunshine.

How many hours of sunshine does Bluff Springs have in January?

In January, the average sunshine duration is 4.2h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Bluff Springs, IL

Average temperature in January - Bluff Springs, IL
  • Average high temperature in January: 32.7°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in January: 20.5°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 (20.5°F).

Average pressure in January
Bluff Springs, IL

Average pressure in January - Bluff Springs, 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).

Average wind speed in January
Bluff Springs, IL

Average wind speed in January - Bluff Springs, IL
  • Average wind speed in January: 10.1mph

The windiest months (with the highest average wind speed) are January, February and April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in January
Bluff Springs, IL

Average humidity in January - Bluff Springs, IL
  • Average humidity in January: 79%

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

Average rainfall in January
Bluff Springs, IL

Average rainfall in January - Bluff Springs, IL
  • Average rainfall in January: 1.73"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is December (1.61").

Average rainfall days in January
Bluff Springs, IL

Average rainfall days in January - Bluff Springs, IL
  • Average rainfall days in January: 7 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.8 days).

Average snowfall in January
Bluff Springs, IL

Average snowfall in January - Bluff Springs, IL
  • Average snowfall in January: 4.21"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Bluff Springs, IL

Average snowfall days in January - Bluff Springs, IL
  • Average snowfall days in January: 10.1 days

The month with the highest number of snowfall days is January (10.1 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
Bluff Springs, IL

Average daylight in January / Average sunshine in January - Bluff Springs, 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 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in January
Bluff Springs, IL

Average sunshine days in January - Bluff Springs, IL
  • Average sunshine days in January: 15.3 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in January
Bluff Springs, IL

Average UV index in January - Bluff Springs, 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
Bluff Springs, IL

Average cloud cover in January - Bluff Springs, IL
  • Average cloud cover in January: 54

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 30).

Average visibility in January
Bluff Springs, IL

Average visibility in January - Bluff Springs, 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).

Bluff Springs, Illinois, USA

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