January weather forecast
Beloit, WI

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Weather in January

Despite its reputation as a harsh winter month, January in Beloit, Wisconsin, USA tends to have a rather moderate weather. Residents anticipate a substantial level of snowy conditions and colder temperatures. With temperatures plunging to as low as 12.7°F (-10.7°C) and snowfall accumulating to nearly 2.52" (64mm) over the course of 11.5 days, January becomes the coldest month of the year. This is also a month when the length of daylight is relatively short, and the sun's ultraviolet (UV) intensity is quite low. But it is worth mentioning that, the biting winds of January create a weather scenario that Bon Iver might sing about.

Temperature

January, with its average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 12.7°F (-10.7°C), holds the record as the coldest month.

Humidity

The most humid month is January, with an average relative humidity of 87%.

Rainfall

In January, the rain falls for 3.1 days. Throughout January, 0.75" (19mm) of precipitation is accumulated. In Beloit, during the entire year, the rain falls for 122.2 days and collects up to 16.42" (417mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 11.5 days and accumulates 2.52" (64mm) of snow.

Daylight

In Beloit, the average length of the day in January is 9h and 29min.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:33 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:07 pm CST.

Sunshine

The months with the least sunshine are January and February, with an average of 3.5h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 1 in January translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest temperatures occur during January, when averages reach a peak of 25.2°F (-3.8°C) and a low of 12.7°F (-10.7°C).

How cold is it in January?

January temperatures vary between a high-temperature of 25.2°F (-3.8°C) and a low-temperature of 12.7°F (-10.7°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 87%.

What is the average humidity in January?

The average relative humidity in January is 87%.

How much does it rain in Beloit in January?

In Beloit, in January, during 3.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 11.5 days and typically aggregates up to 2.52" (64mm) of snow.

How much does it snow in Beloit in January?

In Beloit, in January, during 11.5 snowfall days, 2.52" (64mm) of snow is typically accumulated.

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

In January, the average day length in Beloit is 9h and 29min.

What time are sunrise and sunset in January in Beloit?

On the first day of January, sunrise is at 7:25 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:07 pm CST.

What is the month with the least sunshine in Beloit?

The months with the least sunshine in Beloit are January and February, with an average of 3.5h of sunshine.

How many hours of sunshine does Beloit have in January?

In Beloit, the average sunshine duration in January is 3.5h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in January?

In January, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Beloit, WI

Average temperature in January - Beloit, WI
  • Average high temperature in January: 25.2°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in January: 12.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

Average pressure in January
Beloit, WI

Average pressure in January - Beloit, WI
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Beloit, WI

Average wind speed in January - Beloit, WI
  • Average wind speed in January: 9.6mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in January
Beloit, WI

Average humidity in January - Beloit, WI
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

Average rainfall in January
Beloit, WI

Average rainfall in January - Beloit, WI
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is June (2.28").
The driest months (with the least rainfall) are February and December (0.67").

Average rainfall days in January
Beloit, WI

Average rainfall days in January - Beloit, WI
  • Average rainfall days in January: 3.1 days

The months with the highest number of rainy days are May and June (15.3 days).
The month with the least rainy days is January (3.1 days).

Average snowfall in January
Beloit, WI

Average snowfall in January - Beloit, WI
  • Average snowfall in January: 2.52"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Beloit, WI

Average snowfall days in January - Beloit, WI
  • Average snowfall days in January: 11.5 days

The month with the highest number of snowfall days is January (11.5 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
Beloit, WI

Average daylight in January / Average sunshine in January - Beloit, WI
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 3h and 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).

Average sunshine days in January
Beloit, WI

Average sunshine days in January - Beloit, WI
  • Average sunshine days in January: 17.4 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in January
Beloit, WI

Average UV index in January - Beloit, WI
  • Average UV index in January: 1

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Beloit, WI

Average cloud cover in January - Beloit, WI
  • Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 35).

Average visibility in January
Beloit, WI

Average visibility in January - Beloit, WI
  • Average visibility in January: 5mi

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

Beloit, Wisconsin, USA

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