January weather forecast
Monona, WI

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Weather in January

January, the same as December, in Monona, Wisconsin, is another subzero cold winter month, with an average temperature ranging between min 10.8°F (-11.8°C) and max 23.9°F (-4.5°C).

Temperature

January brings the lowest temperatures, with an average high of 23.9°F (-4.5°C) and an average low of 10.8°F (-11.8°C).

Humidity

January and February, with an average relative humidity of 88%, are the most humid months in Monona.

Rainfall

January, March, November and December are months with the least rain when the rain falls for 1.1 days and typically aggregates up to 0.24" (6mm) of rain.

Snowfall

Months with snowfall in Monona are January through April, October through December. In Monona, Wisconsin, during January, snow falls for 5.6 days and regularly aggregates up to 0.87" (22mm) of snow. In Monona, during the entire year, snow falls for 22.6 days and aggregates up to 2.83" (72mm) of snow.

Daylight

In Monona, the average length of the day in January is 9h and 26min.
On the first day of January, sunrise is at 7:28 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:07 pm CST.

Sunshine

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

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Monona. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 1 during January leads to these instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What are the coldest months in Monona?

January, with average temperatures reaching a high of 23.9°F (-4.5°C) and a low of 10.8°F (-11.8°C), is the coldest month.

How cold is January in Monona?

In January, the average high-temperature and low-temperature in Monona, Wisconsin, are 23.9°F (-4.5°C) and 10.8°F (-11.8°C) respectively.

What is the most humid month in Monona?

The months with the highest humidity in Monona are January and February, with an average relative humidity of 88%.

What is the average humidity in January in Monona?

The average relative humidity in January is 88%.

What is the driest month in Monona?

The months with the least rainfall in Monona, Wisconsin, are January, March, November and December Rain falls for 1.1 days and accumulates 0.24" (6mm) of rain.

How much does it rain in Monona in January?

In Monona, in January, during 1.1 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

How many days does it snow in January in Monona?

In Monona, in January, snow falls for 5.6 days, with typically accumulated 0.87" (22mm) of snow.

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

In Monona, the average day length in January is 9h and 26min.

When is the sunrise / sunset in January in Monona?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:07 pm CST.

What is the month with the least sunshine in Monona?

With an average of 3.3h of sunshine, January has the least sunshine of the year in Monona, Wisconsin.

How long on average sun shines in January in Monona?

In Monona, the average sunshine duration in January is 3.3h.

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

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

How high is the UV index in January in Monona?

In January, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
30.4°F -0.9°C
23.9°F -4.5°C
27.3°F -2.6°C
Average low temperature
20.3°F -6.5°C
10.8°F -11.8°C
14.7°F -9.6°C
Average pressure
30.09" 764mmHg
30.11" 765mmHg
30.11" 765mmHg
Average wind speed
9.4mph 15.1km/h
9.8mph 15.8km/h
9.8mph 15.8km/h
Average max. wind speed
10.1mph 16.3km/h
10.4mph 16.7km/h
10.4mph 16.7km/h
Average wind speed gusts
14.9mph 24km/h
15.7mph 25.3km/h
15.9mph 25.6km/h
Average humidity
84%
88%
88%
Average rainfall
0.24" 6mm
0.24" 6mm
0.28" 7mm
Average rainfall days
2
1.1
1.3
Average snowfall
0.16" 4mm
0.87" 22mm
0.94" 24mm
Average snowfall days
4.9
5.6
4.8
Average daylight
9h 1min
9h 2min
10h 4min
Average sunshine
3h 5min
3h 2min
3h 3min
Average sunshine days
27
26.7
24.1
Average UV index
1
1
2
Average cloud cover
62%
66%
63%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Monona, WI

Average temperature in January - Monona, WI
  • Average high temperature in January: 23.9°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in January
Monona, WI

Average pressure in January - Monona, 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
Monona, WI

Average wind speed in January - Monona, WI
  • 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 (6.6mph).

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Average humidity in January
Monona, WI

Average humidity in January - Monona, WI
  • Average humidity in January: 88%

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall in January
Monona, WI

Average rainfall in January - Monona, WI
  • Average rainfall in January: 0.24"

The wettest month (with the highest rainfall) is July (0.63").
The driest months (with the least rainfall) are January, March, November and December (0.24").

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Average rainfall days in January
Monona, WI

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

The month with the highest number of rainy days is June (6.7 days).
The month with the least rainy days is January (1.1 days).

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Average snowfall in January
Monona, WI

Average snowfall in January - Monona, WI
  • Average snowfall in January: 0.87"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Monona, WI

Average snowfall days in January - Monona, WI
  • Average snowfall days in January: 5.6 days

The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Monona, 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 6min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in January
Monona, WI

Average sunshine days in January - Monona, WI
  • Average sunshine days in January: 26.7 days

The month with the most sunshine days is December (27 days).
The month with the least sunshine days is June (19.8 days).

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Average UV index in January
Monona, WI

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

The months with the highest UV index are June and 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
Monona, WI

Average cloud cover in January - Monona, 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 34).

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Average visibility in January
Monona, WI

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

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

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Monona, Wisconsin, USA

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