January weather forecast
Mansfield, IL

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Weather in January

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

Temperature

January, noted for its average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.9°F (-6.7°C), is considered the coldest month.

Humidity

In Mansfield, 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, 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 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 is 9h and 42min.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:38 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:10 pm CST.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mansfield. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 2 in January translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Mansfield?

Mansfield's coldest month, January, registers temperatures that range from a high of 31.5°F (-0.3°C) to a low of 19.9°F (-6.7°C).

How cold is it in Mansfield in January?

During January, Mansfield experiences an average high-temperature of 31.5°F (-0.3°C) and a low-temperature of 19.9°F (-6.7°C).

What is the average humidity in January in Mansfield?

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

How much does it rain in Mansfield in January?

In Mansfield, Illinois, during January, the rain falls for 6.7 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When does it snow the most in Mansfield?

January is the month with the most snowfall in Mansfield, Illinois. Snow falls for 11.4 days and accumulates 4.25" (108mm) of snow.

How much does it snow in Mansfield in January?

In January, in Mansfield, it is snowing for 11.4 days. Throughout January, 4.25" (108mm) of snow is accumulated.

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

In Mansfield, Illinois, the average day length in January is 9h and 42min.

What time are sunrise and sunset in January in Mansfield?

In January, on the first day of the month, sunrise is at 7:16 am and sunset at 4:38 pm. On the last day of the month, in Mansfield, sunrise is at 7:03 am and sunset at 5:10 pm CST.

What is the month with the least sunshine in Mansfield?

The month with the least sunshine in Mansfield is January, with an average of 4h of sunshine.

How long on average sun shines in January in Mansfield?

The average sunshine duration in January is 4h.

When is the lowest UV index in Mansfield?

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

How high is the UV index in January in Mansfield?

The average daily maximum UV index in January in Mansfield, Illinois, is 2. A UV Index of 2, and less, symbolizes a low health risk from 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
Mansfield, IL

Average temperature in January - Mansfield, 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
Mansfield, IL

Average pressure in January - Mansfield, 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
Mansfield, IL

Average wind speed in January - Mansfield, 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
Mansfield, IL

Average humidity in January - Mansfield, 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
Mansfield, IL

Average rainfall in January - Mansfield, 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
Mansfield, IL

Average rainfall days in January - Mansfield, 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
Mansfield, IL

Average snowfall in January - Mansfield, 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
Mansfield, IL

Average snowfall days in January - Mansfield, 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
Mansfield, IL

Average daylight in January / Average sunshine in January - Mansfield, 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
Mansfield, IL

Average sunshine days in January - Mansfield, 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
Mansfield, IL

Average UV index in January - Mansfield, 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
Mansfield, IL

Average cloud cover in January - Mansfield, 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
Mansfield, IL

Average visibility in January - Mansfield, 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).

Mansfield, Illinois, USA

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