January weather forecast
Lake Mills, WI

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Weather in January

January, the same as December, in Lake Mills, Wisconsin, is another subzero cold winter month, with an average temperature fluctuating between 23.7°F (-4.6°C) and 11.1°F (-11.6°C).

Temperature

Lake Mills's temperature records reveal January as the coldest month, marked by average highs of 23.7°F (-4.6°C) and lows of 11.1°F (-11.6°C).

Humidity

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

Rainfall

In January, in Lake Mills, the rain falls for 4.2 days. Throughout January, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 132.3 rainfall days, and 21.38" (543mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 13.3 days and typically aggregates up to 3.31" (84mm) of snow.

Daylight

In Lake Mills, the average length of the day in January is 9h and 26min.
On the first day of the month, sunrise is at 7:27 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:06 pm CST.

Sunshine

With an average of 3.3h of sunshine, January has the least sunshine of the year in Lake Mills.

UV index

The months with the lowest UV index in Lake Mills 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 average individuals.
Note: In January, a regular UV index of 1 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Lake Mills?

January is the coldest month in Lake Mills, with an average high-temperature of 23.7°F (-4.6°C) and an average low-temperature of 11.1°F (-11.6°C).

How cold is it in Lake Mills in January?

In Lake Mills, 23.7°F (-4.6°C) is the average high-temperature and 11.1°F (-11.6°C) is the average low-temperature during January.

What is the most humid month in Lake Mills?

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

What is the average humidity in January in Lake Mills?

In January, the average relative humidity is 89%.

How much does it rain in Lake Mills in January?

In Lake Mills, Wisconsin, in January, during 4.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When does it snow the most in Lake Mills?

January is the month with the most snowfall in Lake Mills. Snow falls for 13.3 days and accumulates 3.31" (84mm) of snow.

How much does it snow in Lake Mills in January?

In Lake Mills, Wisconsin, in January, snow falls for 13.3 days, with typically accumulated 3.31" (84mm) of snow.

What is the average length of the day in January in Lake Mills?

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

What time are sunrise and sunset in January in Lake Mills?

In January, on the first day of the month, sunrise is at 7:27 am and sunset at 4:31 pm. On the last day of the month, in Lake Mills, Wisconsin, sunrise is at 7:11 am and sunset at 5:06 pm CST.

What is the month with the least sunshine in Lake Mills?

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

How long on average sun shines in January in Lake Mills?

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

When is the lowest UV index in Lake Mills?

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

What is the UV index intensity in January in Lake Mills?

In January, the average daily maximum UV index in Lake Mills, Wisconsin, is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Lake Mills, WI

Average temperature in January - Lake Mills, WI
  • Average high temperature in January: 23.7°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in January: 11.1°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 (11.1°F).

Average pressure in January
Lake Mills, WI

Average pressure in January - Lake Mills, WI
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Lake Mills, WI

Average wind speed in January - Lake Mills, WI
  • Average wind speed in January: 9.6mph

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).

Average humidity in January
Lake Mills, WI

Average humidity in January - Lake Mills, WI
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).

Average rainfall in January
Lake Mills, WI

Average rainfall in January - Lake Mills, WI
  • Average rainfall in January: 0.94"

The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is December (0.87").

Average rainfall days in January
Lake Mills, WI

Average rainfall days in January - Lake Mills, WI
  • Average rainfall days in January: 4.2 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in January
Lake Mills, WI

Average snowfall in January - Lake Mills, WI
  • Average snowfall in January: 3.31"

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Lake Mills, WI

Average snowfall days in January - Lake Mills, WI
  • Average snowfall days in January: 13.3 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Lake Mills, WI

Average daylight in January / Average sunshine in January - Lake Mills, 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).

Average sunshine days in January
Lake Mills, WI

Average sunshine days in January - Lake Mills, WI
  • Average sunshine days in January: 15 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in January
Lake Mills, WI

Average UV index in January - Lake Mills, WI
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in January
Lake Mills, WI

Average cloud cover in January - Lake Mills, WI
  • Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in January
Lake Mills, WI

Average visibility in January - Lake Mills, 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).

Lake Mills, Wisconsin, USA

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