January weather forecast
Sioux, WI

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share

Contents

Weather in January

January, the same as December, in Sioux, Wisconsin, is a freezing cold winter month, with an average temperature fluctuating between 10.8°F (-11.8°C) and 20.3°F (-6.5°C).

Temperature

Sioux records the coldest temperatures in January, averaging a high of 20.3°F (-6.5°C) and a low of 10.8°F (-11.8°C).

Humidity

With an average relative humidity of 89%, January is the most humid month in Sioux.

Rainfall

The months with the least rainfall are January and February Rain falls for 4.2 days and accumulates 1.06" (27mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 22.3 days and accumulates 6.85" (174mm) of snow.

Daylight

In January, the average length of the day is 9h and 3min.
On the first day of the month, sunrise is at 7:48 am and sunset at 4:25 pm. On the last day of January, sunrise is at 7:29 am and sunset at 5:04 pm CST.

Sunshine

January has the least sunshine of the year in Sioux, with an average of 2.4h of sunshine.

UV index

The months with the lowest UV index 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 rays for the ordinary person.
Note: A daily maximum UV index of 1 in January translates into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
[Resources]

Frequently asked questions

What part of the year is the coldest in Sioux?

Sioux's coldest temperatures are experienced in January, with average high temperatures of 20.3°F (-6.5°C) and lows of 10.8°F (-11.8°C).

How cold is it in Sioux in January?

The high-temperature, in January, in Sioux, is 20.3°F (-6.5°C), while the low-temperature averages to 10.8°F (-11.8°C).

What is the most humid month in Sioux?

The most humid month in Sioux, Wisconsin, is January, with an average relative humidity of 89%.

What is the average humidity in January in Sioux?

In January, the average relative humidity is 89%.

What is the driest month in Sioux?

January and February are months with the least rain in Sioux, Wisconsin, when the rain falls for 4.2 days and typically aggregates up to 1.06" (27mm) of rain.

How much does it rain in Sioux in January?

In Sioux, in January, it is raining for 4.2 days, with typically 1.06" (27mm) of accumulated precipitation.

When does it snow the most in Sioux?

January is the month with the most snowfall in Sioux. Snow falls for 22.3 days and accumulates 6.85" (174mm) of snow.

How many days does it snow in January in Sioux?

In Sioux, during January, snow falls for 22.3 days and regularly aggregates up to 6.85" (174mm) of snow.

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

In January, the average day length in Sioux, Wisconsin, is 9h and 3min.

What time are sunrise and sunset in January in Sioux?

On the first day of January, sunrise is at 7:48 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:04 pm CST.

What is the month with the least sunshine in Sioux?

With an average of 2.4h of sunshine, January has the least sunshine of the year in Sioux.

How many hours of sunshine does Sioux have in January?

In Sioux, the average sunshine duration in January is 2.4h.

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

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

What is the UV index intensity in January in Sioux?

In Sioux, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
25.3°F -3.7°C
20.3°F -6.5°C
22.6°F -5.2°C
Average low temperature
18°F -7.8°C
10.8°F -11.8°C
12.6°F -10.8°C
Average pressure
30.07" 764mmHg
30.08" 764mmHg
30.1" 765mmHg
Average wind speed
10.6mph 17.1km/h
10.6mph 17.1km/h
10.2mph 16.4km/h
Average max. wind speed
11.2mph 18km/h
11.1mph 17.9km/h
10.7mph 17.2km/h
Average wind speed gusts
15.5mph 24.9km/h
15.3mph 24.6km/h
15.3mph 24.6km/h
Average humidity
87%
89%
88%
Average rainfall
1.73" 44mm
1.06" 27mm
1.06" 27mm
Average rainfall days
5.8
4.2
3.6
Average snowfall
6.81" 173mm
6.85" 174mm
5.98" 152mm
Average snowfall days
20.4
22.3
18.6
Average daylight
8h 4min
9h 1min
10h 2min
Average sunshine
2h 4min
2h 2min
2h 5min
Average sunshine days
8.7
9.3
9.7
Average UV index
1
1
2
Average cloud cover
74%
76%
72%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Sioux, WI

Average temperature in January - Sioux, WI
  • Average high temperature in January: 20.3°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

[Resources]

Average pressure in January
Sioux, WI

Average pressure in January - Sioux, WI
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

[Resources]

Average wind speed in January
Sioux, WI

Average wind speed in January - Sioux, WI
  • Average wind speed in January: 10.6mph

The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

[Resources]

Average humidity in January
Sioux, WI

Average humidity in January - Sioux, WI
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).

[Resources]

Average rainfall in January
Sioux, WI

Average rainfall in January - Sioux, WI
  • Average rainfall in January: 1.06"

The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").

[Resources]

Average rainfall days in January
Sioux, WI

Average rainfall days in January - Sioux, WI
  • Average rainfall days in January: 4.2 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).

[Resources]

Average snowfall in January
Sioux, WI

Average snowfall in January - Sioux, WI
  • Average snowfall in January: 6.85"

The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in January
Sioux, WI

Average snowfall days in January - Sioux, WI
  • Average snowfall days in January: 22.3 days

The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Sioux, WI

Average daylight in January / Average sunshine in January - Sioux, WI
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in January: 2h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

[Resources]

Average sunshine days in January
Sioux, WI

Average sunshine days in January - Sioux, WI
  • Average sunshine days in January: 9.3 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).

[Resources]

Average UV index in January
Sioux, WI

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

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

[Resources]

Average cloud cover in January
Sioux, WI

Average cloud cover in January - Sioux, WI
  • Average cloud cover in January: 76

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).

[Resources]

Average visibility in January
Sioux, WI

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

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

[Resources]

Sioux, Wisconsin, 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