January weather forecast
Superior, WI

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share

Contents

Weather in January

January sees the coldest period of the year in Superior, Wisconsin, providing an ideal setting for winter activities. Snowfall proves profound during this month, peaking to 0.59" (15mm), making January an exciting period for snow enthusiasts. Despite the frigid temperatures, life thrives under the winter wonderland, offering breathtaking views of ice formations and snow-clad trees. A brisk chill permeates the air, with a low-lying fog further enhancing the mystical white splendor.

Temperature

January is the coldest month in Superior, exhibiting average temperatures of 17.1°F (-8.3°C) at the peak and 4.1°F (-15.5°C) at the base.

Humidity

With an average relative humidity of 91%, January is the most humid month.

Rainfall

The months with the least rainfall are January and February Rain falls for 1.1 days and accumulates 0.16" (4mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In Superior, during January, snow falls for 9.3 days and regularly aggregates up to 0.59" (15mm) of snow. In Superior, during the entire year, snow falls for 42.8 days and aggregates up to 3.39" (86mm) of snow.

Daylight

The average length of the day in January is 9h and 4min.
On the first day of January in Superior, sunrise is at 7:52 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:09 pm CST.

Sunshine

January has the least sunshine of the year in Superior, with an average of 2.8h of sunshine.

UV index

The months with the lowest UV index in Superior are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 1 in January translates into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
[Resources]

Frequently asked questions

What time of the year is the coldest in Superior?

With an average high-temperature of 17.1°F (-8.3°C) and an average low-temperature of 4.1°F (-15.5°C), January is the coldest month.

How cold is January in Superior?

The high-temperature, in January, in Superior, is 17.1°F (-8.3°C), while the low-temperature averages to 4.1°F (-15.5°C).

What is the most humid month in Superior?

With an average relative humidity of 91%, January is the most humid month.

What is the average humidity in January in Superior?

The average relative humidity in January in Superior, Wisconsin, is 91%.

What is the driest month in Superior?

January and February are months with the least rain in Superior, Wisconsin, when the rain falls for 1.1 days and typically aggregates up to 0.16" (4mm) of rain.

How many days does it rain in January in Superior?

In January, the rain falls for 1.1 days. Throughout January, 0.16" (4mm) of precipitation is accumulated.

How many days does it snow in January in Superior?

In Superior, Wisconsin, during January, snow falls for 9.3 days and regularly aggregates up to 0.59" (15mm) of snow.

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

In Superior, the average day length in January is 9h and 4min.

When are sunrise and sunset in January in Superior?

In January, on the first day of the month, sunrise is at 7:52 am and sunset at 4:30 pm. On the last day of the month, in Superior, sunrise is at 7:33 am and sunset at 5:09 pm CST.

What is the month with the least sunshine in Superior?

With an average of 2.8h of sunshine, January has the least sunshine of the year in Superior, Wisconsin.

How long on average sun shines in January in Superior?

In Superior, Wisconsin, the average sunshine duration in January is 2.8h.

When is the lowest UV index in Superior?

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

What is the UV index intensity in January in Superior?

In January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
22.1°F -5.5°C
17.1°F -8.3°C
21.4°F -5.9°C
Average low temperature
12.2°F -11°C
4.1°F -15.5°C
7.7°F -13.5°C
Average pressure
30.09" 764mmHg
30.1" 765mmHg
30.11" 765mmHg
Average wind speed
8.3mph 13.4km/h
8.3mph 13.4km/h
8.5mph 13.7km/h
Average max. wind speed
8.9mph 14.3km/h
8.9mph 14.3km/h
9.1mph 14.6km/h
Average wind speed gusts
12.7mph 20.4km/h
13mph 20.9km/h
13mph 20.9km/h
Average humidity
89%
91%
90%
Average rainfall
0.39" 10mm
0.16" 4mm
0.16" 4mm
Average rainfall days
2
1.1
0.5
Average snowfall
0.98" 25mm
0.59" 15mm
0.63" 16mm
Average snowfall days
9.3
9.3
8.3
Average daylight
8h 4min
9h 1min
10h 2min
Average sunshine
3h 0min
2h 5min
3h 0min
Average sunshine days
23.6
25.7
23.2
Average UV index
1
1
1
Average cloud cover
70%
72%
71%
Average visibility
5mi 8km
4mi 6.4km
5mi 8km

Average temperature in January
Superior, WI

Average temperature in January - Superior, WI
  • Average high temperature in January: 17.1°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (17.1°F).

  • Average low temperature in January: 4.1°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (4.1°F).

[Resources]

Average pressure in January
Superior, WI

Average pressure in January - Superior, WI
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

[Resources]

Average wind speed in January
Superior, WI

Average wind speed in January - Superior, WI
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

[Resources]

Average humidity in January
Superior, WI

Average humidity in January - Superior, WI
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (72%).

[Resources]

Average rainfall in January
Superior, WI

Average rainfall in January - Superior, WI
  • Average rainfall in January: 0.16"

The wettest month (with the highest rainfall) is July (0.67").
The driest months (with the least rainfall) are January and February (0.16").

[Resources]

Average rainfall days in January
Superior, WI

Average rainfall days in January - Superior, WI
  • Average rainfall days in January: 1.1 days

The month with the highest number of rainy days is May (7.9 days).
The month with the least rainy days is February (0.5 days).

[Resources]

Average snowfall in January
Superior, WI

Average snowfall in January - Superior, WI
  • Average snowfall in January: 0.59"

The month with the highest snowfall is December (0.98").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in January
Superior, WI

Average snowfall days in January - Superior, WI
  • Average snowfall days in January: 9.3 days

The months with the highest number of snowfall days are January and December (9.3 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
Superior, WI

Average daylight in January / Average sunshine in January - Superior, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

[Resources]

Average sunshine days in January
Superior, WI

Average sunshine days in January - Superior, WI
  • Average sunshine days in January: 25.7 days

The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is April (19.9 days).

[Resources]

Average UV index in January
Superior, WI

Average UV index in January - Superior, 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, February, November and December (UV index 1).

[Resources]

Average cloud cover in January
Superior, WI

Average cloud cover in January - Superior, WI
  • Average cloud cover in January: 72

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 33).

[Resources]

Average visibility in January
Superior, WI

Average visibility in January - Superior, WI
  • Average visibility in January: 4mi

The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

[Resources]

Superior, 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