January weather forecast
Belvidere, IL

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Weather in January

January, like December, is a freezing cold winter month in Belvidere, Illinois, with an average temperature fluctuating between 25.9°F (-3.4°C) and 13.6°F (-10.2°C).

Temperature

The coldest period tends to be January, when average temperatures fluctuate between a high of 25.9°F (-3.4°C) and a low of 13.6°F (-10.2°C).

Humidity

The most humid month is January, with an average relative humidity of 86%.

Rainfall

In Belvidere, in January, during 5.7 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Belvidere, during the entire year, the rain falls for 154 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Belvidere. The month with the most snowfall is January, when snow falls for 12.6 days and typically aggregates up to 5.35" (136mm) of snow.

Daylight

In January, the average length of the day is 9h and 31min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:33 pm. On the last day of January, in Belvidere, sunrise is at 7:09 am and sunset at 5:07 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 3.7h of sunshine.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 1 in January suggests the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What part of the year is the coldest?

During the coldest month in Belvidere, January, temperatures average a high of 25.9°F (-3.4°C) and a low of 13.6°F (-10.2°C).

How cold is it in January?

The average high-temperature and low-temperature during January are 25.9°F (-3.4°C) and 13.6°F (-10.2°C) respectively.

What is the most humid month?

With an average relative humidity of 86%, January is the most humid month.

What is the average humidity in January?

In Belvidere, the average relative humidity in January is 86%.

How much does it rain in January?

In Belvidere, Illinois, during January, the rain falls for 5.7 days and regularly aggregates up to 1.61" (41mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 12.6 days and typically aggregates up to 5.35" (136mm) of snow.

How many days does it snow in January?

In January, it is snowing for 12.6 days. Throughout January, 5.35" (136mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 31min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:07 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.7h of sunshine.

How many hours of sunshine does Belvidere have in January?

In January, the average sunshine duration is 3.7h.

What are the months with the lowest UV index?

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

What is the UV index intensity in January in Belvidere?

The average daily maximum UV index in January in Belvidere is 1. A UV Index reading of 2, and below, represents 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
Belvidere, IL

Average temperature in January - Belvidere, IL
  • Average high temperature in January: 25.9°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 (25.9°F).

  • Average low temperature in January: 13.6°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in January
Belvidere, IL

Average pressure in January - Belvidere, IL
  • 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 (29.92"Hg).

Average wind speed in January
Belvidere, IL

Average wind speed in January - Belvidere, IL
  • Average wind speed in January: 9.7mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in January
Belvidere, IL

Average humidity in January - Belvidere, IL
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).

Average rainfall in January
Belvidere, IL

Average rainfall in January - Belvidere, IL
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days in January
Belvidere, IL

Average rainfall days in January - Belvidere, IL
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in January
Belvidere, IL

Average snowfall in January - Belvidere, IL
  • Average snowfall in January: 5.35"

The month with the highest snowfall is January (5.35").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Belvidere, IL

Average snowfall days in January - Belvidere, IL
  • Average snowfall days in January: 12.6 days

The month with the highest number of snowfall days is January (12.6 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
Belvidere, IL

Average daylight in January / Average sunshine in January - Belvidere, IL
  • 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 12min).

  • Average sunshine in January: 3h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in January
Belvidere, IL

Average sunshine days in January - Belvidere, IL
  • Average sunshine days in January: 14 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in January
Belvidere, IL

Average UV index in January - Belvidere, IL
  • 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, November and December (UV index 1).

Average cloud cover in January
Belvidere, IL

Average cloud cover in January - Belvidere, IL
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 34).

Average visibility in January
Belvidere, IL

Average visibility in January - Belvidere, IL
  • 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).

Belvidere, Illinois, USA

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