January weather forecast
Winnebago, IL

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share

Contents

Weather in January

January, the same as December, in Winnebago, Illinois, is a freezing cold winter month, with temperature in the range of an average high of 26.2°F (-3.2°C) and an average low of 13.8°F (-10.1°C).

Temperature

January, having an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 13.8°F (-10.1°C), is the coldest month.

Humidity

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

Rainfall

In Winnebago, in January, it is raining for 5.3 days, with typically 1.42" (36mm) of accumulated precipitation. In Winnebago, during the entire year, the rain falls for 148.1 days and collects up to 28.39" (721mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Winnebago. January is the month with the most snowfall in Winnebago. Snow falls for 13 days and accumulates 4.88" (124mm) of snow.

Daylight

In January, the average length of the day is 9h and 31min.
On the first day of January in Winnebago, sunrise is at 7:25 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:09 pm CST.

Sunshine

With an average of 3.6h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index in Winnebago are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 1 during January translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
[Resources]

Frequently asked questions

What is the coldest month in Winnebago?

January is the coldest month in Winnebago, Illinois, exhibiting average temperatures of 26.2°F (-3.2°C) at the peak and 13.8°F (-10.1°C) at the base.

How cold is January in Winnebago?

January temperatures in Winnebago vary between a high-temperature of 26.2°F (-3.2°C) and a low-temperature of 13.8°F (-10.1°C).

What is the most humid month in Winnebago?

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

What is the average humidity in January in Winnebago?

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

How much does it rain in Winnebago in January?

In Winnebago, in January, it is raining for 5.3 days, with typically 1.42" (36mm) of accumulated precipitation.

What is the snowiest month in Winnebago?

January is the month with the most snowfall in Winnebago. Snow falls for 13 days and accumulates 4.88" (124mm) of snow.

How many days does it snow in January in Winnebago?

In Winnebago, during January, snow falls for 13 days and regularly aggregates up to 4.88" (124mm) of snow.

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

In Winnebago, Illinois, the average day length in January is 9h and 31min.

When are sunrise and sunset in January in Winnebago?

In January, on the first day of the month, sunrise is at 7:25 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:09 pm CST.

What is the month with the least sunshine in Winnebago?

The month with the least sunshine is January, with an average of 3.6h of sunshine.

How many hours of sunshine does Winnebago have in January?

The average sunshine duration in January in Winnebago, Illinois, is 3.6h.

What are the months with the lowest UV index in Winnebago?

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

How high is the UV index in January in Winnebago?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32.4°F 0.2°C
26.2°F -3.2°C
30.2°F -1°C
Average low temperature
22.5°F -5.3°C
13.8°F -10.1°C
17.1°F -8.3°C
Average pressure
30.09" 764mmHg
30.11" 765mmHg
30.11" 765mmHg
Average wind speed
9.3mph 15km/h
9.8mph 15.8km/h
9.9mph 15.9km/h
Average max. wind speed
10.1mph 16.3km/h
10.4mph 16.7km/h
10.6mph 17.1km/h
Average wind speed gusts
14.7mph 23.7km/h
15.5mph 24.9km/h
15.7mph 25.3km/h
Average humidity
82%
86%
85%
Average rainfall
1.38" 35mm
1.42" 36mm
1.26" 32mm
Average rainfall days
7.6
5.3
4.3
Average snowfall
2.68" 68mm
4.88" 124mm
2.87" 73mm
Average snowfall days
10.1
13
10.3
Average daylight
9h 1min
9h 3min
10h 4min
Average sunshine
4h 0min
3h 4min
3h 4min
Average sunshine days
16.1
14.2
13.7
Average UV index
1
1
2
Average cloud cover
59%
63%
59%
Average visibility
6mi 9.7km
5mi 8km
5mi 8km

Average temperature in January
Winnebago, IL

Average temperature in January - Winnebago, IL
  • Average high temperature in January: 26.2°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 (26.2°F).

  • Average low temperature in January: 13.8°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

[Resources]

Average pressure in January
Winnebago, IL

Average pressure in January - Winnebago, IL
  • Average pressure in January: 30.11"Hg

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

[Resources]

Average wind speed in January
Winnebago, IL

Average wind speed in January - Winnebago, IL
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

[Resources]

Average humidity in January
Winnebago, IL

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

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

[Resources]

Average rainfall in January
Winnebago, IL

Average rainfall in January - Winnebago, IL
  • Average rainfall in January: 1.42"

The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is February (1.26").

[Resources]

Average rainfall days in January
Winnebago, IL

Average rainfall days in January - Winnebago, IL
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (4.3 days).

[Resources]

Average snowfall in January
Winnebago, IL

Average snowfall in January - Winnebago, IL
  • Average snowfall in January: 4.88"

The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in January
Winnebago, IL

Average snowfall days in January - Winnebago, IL
  • Average snowfall days in January: 13 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Winnebago, IL

Average daylight in January / Average sunshine in January - Winnebago, 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 month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

[Resources]

Average sunshine days in January
Winnebago, IL

Average sunshine days in January - Winnebago, IL
  • Average sunshine days in January: 14.2 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (9.8 days).

[Resources]

Average UV index in January
Winnebago, IL

Average UV index in January - Winnebago, IL
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

[Resources]

Average cloud cover in January
Winnebago, IL

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

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 33).

[Resources]

Average visibility in January
Winnebago, IL

Average visibility in January - Winnebago, 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).

[Resources]

Winnebago, Illinois, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location