January weather forecast
Mahomet, IL

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Weather in January

January, like December, is another subzero cold winter month in Mahomet, Illinois, with an average temperature ranging between max 31.5°F (-0.3°C) and min 19.9°F (-6.7°C).

Temperature

In Mahomet, January is the coldest month, with temperatures averaging a high of 31.5°F (-0.3°C) and a low of 19.9°F (-6.7°C).

Humidity

In Mahomet, the average relative humidity in January is 81%.

Rainfall

In January, the rain falls for 6.7 days. Throughout January, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Mahomet, there are 152.9 rainfall days, and 29.72" (755mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall in Mahomet is January, when snow falls for 11.4 days and typically aggregates up to 4.25" (108mm) of snow.

Daylight

In January, the average length of the day in Mahomet, Illinois, is 9h and 42min.
On the first day of the month, sunrise is at 7:15 am and sunset at 4:38 pm. On the last day of January, in Mahomet, Illinois, sunrise is at 7:03 am and sunset at 5:10 pm CST.

Sunshine

With an average of 4h of sunshine, January has the least sunshine of the year in Mahomet.

UV index

The months with the lowest UV index in Mahomet are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in January transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Mahomet?

Mahomet's January weather, marked by an average high temperature of 31.5°F (-0.3°C) and an average low temperature of 19.9°F (-6.7°C), is the coldest in the year.

How cold is January in Mahomet?

In Mahomet, in January, the average high-temperature is 31.5°F (-0.3°C), and the average low-temperature is 19.9°F (-6.7°C).

What is the average humidity in January in Mahomet?

The average relative humidity in January is 81%.

How much does it rain in Mahomet in January?

In January, in Mahomet, Illinois, the rain falls for 6.7 days. Throughout January, 2.01" (51mm) of precipitation is accumulated.

What is the snowiest month in Mahomet?

The month with the most snowfall in Mahomet, Illinois, is January, when snow falls for 11.4 days and typically aggregates up to 4.25" (108mm) of snow.

How many days does it snow in January in Mahomet?

In Mahomet, Illinois, in January, during 11.4 snowfall days, 4.25" (108mm) of snow is typically accumulated.

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

The average day length in January in Mahomet is 9h and 42min.

What time are sunrise and sunset in January in Mahomet?

In January, on the first day of the month, sunrise is at 7:15 am and sunset at 4:38 pm. On the last day of the month, in Mahomet, sunrise is at 7:03 am and sunset at 5:10 pm CST.

What is the month with the least sunshine in Mahomet?

January has the least sunshine of the year in Mahomet, Illinois, with an average of 4h of sunshine.

How many hours of sunshine does Mahomet have in January?

The average sunshine duration in January is 4h.

What is the month with the lowest UV index in Mahomet?

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

How high is the UV index in January in Mahomet?

In Mahomet, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Mahomet, IL

Average temperature in January - Mahomet, IL
  • Average high temperature in January: 31.5°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in January: 19.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in January
Mahomet, IL

Average pressure in January - Mahomet, IL
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Mahomet, IL

Average wind speed in January - Mahomet, IL
  • Average wind speed in January: 10.9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in January
Mahomet, IL

Average humidity in January - Mahomet, IL
  • Average humidity in January: 81%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).

Average rainfall in January
Mahomet, IL

Average rainfall in January - Mahomet, IL
  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (1.65").

Average rainfall days in January
Mahomet, IL

Average rainfall days in January - Mahomet, IL
  • Average rainfall days in January: 6.7 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in January
Mahomet, IL

Average snowfall in January - Mahomet, IL
  • Average snowfall in January: 4.25"

The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Mahomet, IL

Average snowfall days in January - Mahomet, IL
  • Average snowfall days in January: 11.4 days

The month with the highest number of snowfall days is January (11.4 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
Mahomet, IL

Average daylight in January / Average sunshine in January - Mahomet, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in January
Mahomet, IL

Average sunshine days in January - Mahomet, IL
  • Average sunshine days in January: 14.6 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in January
Mahomet, IL

Average UV index in January - Mahomet, 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
Mahomet, IL

Average cloud cover in January - Mahomet, IL
  • Average cloud cover in January: 57

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).

Average visibility in January
Mahomet, IL

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

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

Mahomet, Illinois, USA

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