January weather forecast
Prairie du Sac, WI

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Weather in January

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

Temperature

January brings the lowest temperatures, with an average high of 22.6°F (-5.2°C) and an average low of 10.6°F (-11.9°C).

Humidity

The most humid month in Prairie du Sac is January, with an average relative humidity of 89%.

Rainfall

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

Snowfall

January through April, October through December are months with snowfall in Prairie du Sac, Wisconsin. In January, in Prairie du Sac, Wisconsin, it is snowing for 13.2 days. Throughout January, 2.52" (64mm) of snow is accumulated. In Prairie du Sac, during the entire year, snow falls for 50.5 days and aggregates up to 11.69" (297mm) of snow.

Daylight

In January, the average length of the day in Prairie du Sac is 9h and 25min.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:33 pm. On the last day of January, in Prairie du Sac, Wisconsin, sunrise is at 7:15 am and sunset at 5:08 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 3.3h 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 hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 1 translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What month is the coldest in Prairie du Sac?

With an average high-temperature of 22.6°F (-5.2°C) and an average low-temperature of 10.6°F (-11.9°C), January is the coldest month in Prairie du Sac, Wisconsin.

How cold is January in Prairie du Sac?

The high-temperature, in January, in Prairie du Sac, is 22.6°F (-5.2°C), while the low-temperature averages to 10.6°F (-11.9°C).

What is the most humid month in Prairie du Sac?

January is the most humid month, with an average relative humidity of 89%.

What is the average humidity in January in Prairie du Sac?

In January, the average relative humidity in Prairie du Sac, Wisconsin, is 89%.

What is the driest month in Prairie du Sac?

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

How many days does it rain in January in Prairie du Sac?

In January, the rain falls for 3.8 days. Throughout January, 0.51" (13mm) of precipitation is accumulated.

How much does it snow in Prairie du Sac in January?

In January, in Prairie du Sac, it is snowing for 13.2 days. Throughout January, 2.52" (64mm) of snow is accumulated.

What is the average length of the day in January in Prairie du Sac?

The average day length in January in Prairie du Sac is 9h and 25min.

When are sunrise and sunset in January in Prairie du Sac?

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 4:33 pm. On the last day of the month, in Prairie du Sac, sunrise is at 7:15 am and sunset at 5:08 pm CST.

What is the month with the least sunshine in Prairie du Sac?

January has the least sunshine of the year, with an average of 3.3h of sunshine.

How many hours of sunshine does Prairie du Sac have in January?

In January, the average sunshine duration in Prairie du Sac, Wisconsin, is 3.3h.

What are the months with the lowest UV index in Prairie du Sac?

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

What is the UV index intensity in January in Prairie du Sac?

In January, the average daily maximum UV index in Prairie du Sac, Wisconsin, is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Prairie du Sac, WI

Average temperature in January - Prairie du Sac, 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
Prairie du Sac, WI

Average pressure in January - Prairie du Sac, 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
Prairie du Sac, WI

Average wind speed in January - Prairie du Sac, 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
Prairie du Sac, WI

Average humidity in January - Prairie du Sac, 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
Prairie du Sac, WI

Average rainfall in January - Prairie du Sac, 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
Prairie du Sac, WI

Average rainfall days in January - Prairie du Sac, 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
Prairie du Sac, WI

Average snowfall in January - Prairie du Sac, 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
Prairie du Sac, WI

Average snowfall days in January - Prairie du Sac, 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
Prairie du Sac, WI

Average daylight in January / Average sunshine in January - Prairie du Sac, 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
Prairie du Sac, WI

Average sunshine days in January - Prairie du Sac, 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
Prairie du Sac, WI

Average UV index in January - Prairie du Sac, 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
Prairie du Sac, WI

Average cloud cover in January - Prairie du Sac, 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
Prairie du Sac, WI

Average visibility in January - Prairie du Sac, 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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Prairie du Sac, Wisconsin, USA

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