January weather forecast
Sauk City, WI

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Weather in January

January, the same as December, in Sauk City, Wisconsin, is a freezing cold winter month, with an average temperature fluctuating between 10.6°F (-11.9°C) and 22.6°F (-5.2°C).

Temperature

January is Sauk City's coldest month, registering average high temperatures of 22.6°F (-5.2°C) and lows of 10.6°F (-11.9°C).

Humidity

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

Rainfall

The month with the least rainfall is January, when the rain falls for 3.8 days and typically collects 0.51" (13mm) of precipitation.

Snowfall

Months with snowfall in Sauk City are January through April, October through December. In Sauk City, in January, during 13.2 snowfall days, 2.52" (64mm) of snow is typically accumulated. In Sauk City, Wisconsin, during the entire year, snow falls for 50.5 days and aggregates up to 11.69" (297mm) of snow.

Daylight

In Sauk City, the average length of the day in January is 9h and 25min.
On the first day of January in Sauk City, sunrise is at 7:30 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:08 pm CST.

Sunshine

The month with the least sunshine in Sauk City is January, with an average of 3.3h of sunshine.

UV index

The months with the lowest UV index in Sauk City are January, 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 maximum high daily UV index of 1 during January translates into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What part of the year is the coldest in Sauk City?

The coldest time of the year is January, with temperatures averaging a high of 22.6°F (-5.2°C) and a low of 10.6°F (-11.9°C).

How cold is it in Sauk City in January?

In January, the average high-temperature and low-temperature in Sauk City are 22.6°F (-5.2°C) and 10.6°F (-11.9°C) respectively.

What is the most humid month in Sauk City?

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

What is the average humidity in January in Sauk City?

In Sauk City, the average relative humidity in January is 89%.

What is the driest month in Sauk City?

January is the month with the least rainfall in Sauk City. Rain falls for 3.8 days and accumulates 0.51" (13mm) of precipitation.

How much does it rain in Sauk City in January?

In Sauk City, in January, it is raining for 3.8 days, with typically 0.51" (13mm) of accumulated precipitation.

How many days does it snow in January in Sauk City?

In Sauk City, Wisconsin, in January, snow falls for 13.2 days, with typically accumulated 2.52" (64mm) of snow.

What is the average length of the day in January in Sauk City?

In Sauk City, Wisconsin, the average day length in January is 9h and 25min.

When is the sunrise / sunset in January in Sauk City?

On the first day of January, sunrise is at 7:30 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:08 pm CST.

What is the month with the least sunshine in Sauk City?

January has the least sunshine of the year in Sauk City, Wisconsin, with an average of 3.3h of sunshine.

How many hours of sunshine does Sauk City have in January?

The average sunshine duration in January in Sauk City is 3.3h.

What is the month with the lowest UV index in Sauk City?

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

What is the UV index reading in January in Sauk City?

In January, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
29.5°F -1.4°C
22.6°F -5.2°C
26.6°F -3°C
Average low temperature
19.4°F -7°C
10.6°F -11.9°C
13.5°F -10.3°C
Average pressure
30.09" 764mmHg
30.11" 765mmHg
30.11" 765mmHg
Average wind speed
9.2mph 14.8km/h
9.5mph 15.3km/h
9.5mph 15.3km/h
Average max. wind speed
9.9mph 15.9km/h
10.1mph 16.3km/h
10.1mph 16.3km/h
Average wind speed gusts
14.6mph 23.5km/h
15.2mph 24.5km/h
15.3mph 24.6km/h
Average humidity
85%
89%
88%
Average rainfall
0.71" 18mm
0.51" 13mm
0.67" 17mm
Average rainfall days
4.8
3.8
3.1
Average snowfall
1.77" 45mm
2.52" 64mm
2.8" 71mm
Average snowfall days
10.5
13.2
11.9
Average daylight
9h 0min
9h 2min
10h 3min
Average sunshine
3h 5min
3h 2min
3h 3min
Average sunshine days
18.4
16.8
15.3
Average UV index
1
1
2
Average cloud cover
62%
66%
63%
Average visibility
6mi 9.7km
5mi 8km
5mi 8km

Average temperature in January
Sauk City, WI

Average temperature in January - Sauk City, WI
  • Average high temperature in January: 22.6°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in January: 10.6°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

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Average pressure in January
Sauk City, WI

Average pressure in January - Sauk City, WI
  • 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).

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Average wind speed in January
Sauk City, WI

Average wind speed in January - Sauk City, WI
  • Average wind speed in January: 9.5mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in January
Sauk City, WI

Average humidity in January - Sauk City, WI
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall in January
Sauk City, WI

Average rainfall in January - Sauk City, WI
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in January
Sauk City, WI

Average rainfall days in January - Sauk City, WI
  • Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3.1 days).

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Average snowfall in January
Sauk City, WI

Average snowfall in January - Sauk City, WI
  • Average snowfall in January: 2.52"

The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Sauk City, WI

Average snowfall days in January - Sauk City, WI
  • Average snowfall days in January: 13.2 days

The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Sauk City, WI

Average daylight in January / Average sunshine in January - Sauk City, WI
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in January
Sauk City, WI

Average sunshine days in January - Sauk City, WI
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).

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Average UV index in January
Sauk City, WI

Average UV index in January - Sauk City, 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).

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Average cloud cover in January
Sauk City, WI

Average cloud cover in January - Sauk City, WI
  • Average cloud cover in January: 66

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Sauk City, WI

Average visibility in January - Sauk City, 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).

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Sauk City, Wisconsin, USA

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