January weather forecast
Milltown, WI

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Weather in January

January, like December, is a freezing cold winter month in Milltown, Wisconsin, with an average temperature fluctuating between 17.6°F (-8°C) and 4.5°F (-15.3°C).

Temperature

During the coldest month, January, temperatures average a high of 17.6°F (-8°C) and a low of 4.5°F (-15.3°C).

Humidity

The most humid month is January, with an average relative humidity of 92%.

Rainfall

January is the month with the least rainfall. Rain falls for 2 days and accumulates 0.59" (15mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Milltown. In Milltown, during January, snow falls for 16 days and regularly aggregates up to 3.78" (96mm) of snow. Throughout the year, there are 71.9 snowfall days, and 26.06" (662mm) of snow is accumulated.

Daylight

In January, the average length of the day in Milltown is 9h and 11min.
On the first day of January, sunrise is at 7:50 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:14 pm CST.

Sunshine

The month with the least sunshine in Milltown is January, with an average of 2.6h of sunshine.

UV index

The months with the lowest UV index in Milltown are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 1 in January translates into these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Milltown?

In Milltown, January is the month with the lowest recorded average temperatures, measuring a high of 17.6°F (-8°C) and a low of 4.5°F (-15.3°C).

How cold is it in Milltown in January?

The high-temperature, in January, in Milltown, is 17.6°F (-8°C), while the low-temperature averages to 4.5°F (-15.3°C).

What is the most humid month in Milltown?

The most humid month is January, with an average relative humidity of 92%.

What is the average humidity in January in Milltown?

In January, the average relative humidity in Milltown is 92%.

What is the driest month in Milltown?

The month with the least rainfall is January, when the rain falls for 2 days and typically collects 0.59" (15mm) of precipitation.

How many days does it rain in January in Milltown?

In Milltown, Wisconsin, during January, the rain falls for 2 days and regularly aggregates up to 0.59" (15mm) of precipitation.

How many days does it snow in January in Milltown?

In January, in Milltown, it is snowing for 16 days. Throughout January, 3.78" (96mm) of snow is accumulated.

How many hours of daylight does Milltown have in January?

In January, the average day length is 9h and 11min.

When are sunrise and sunset in January in Milltown?

In January, on the first day of the month, sunrise is at 7:50 am and sunset at 4:36 pm. On the last day of the month, in Milltown, sunrise is at 7:32 am and sunset at 5:14 pm CST.

What is the month with the least sunshine in Milltown?

With an average of 2.6h of sunshine, January has the least sunshine of the year in Milltown, Wisconsin.

How long on average sun shines in January in Milltown?

The average sunshine duration in January is 2.6h.

When is the lowest UV index in Milltown?

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

What is the UV index reading in January in Milltown?

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

Average temperature in January - Milltown, WI
  • Average high temperature in January: 17.6°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (17.6°F).

  • Average low temperature in January: 4.5°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (4.5°F).

Average pressure in January
Milltown, WI

Average pressure in January - Milltown, WI
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in January
Milltown, WI

Average wind speed in January - Milltown, WI
  • Average wind speed in January: 8.9mph

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

Average humidity in January
Milltown, WI

Average humidity in January - Milltown, WI
  • Average humidity in January: 92%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (75%).

Average rainfall in January
Milltown, WI

Average rainfall in January - Milltown, WI
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in January
Milltown, WI

Average rainfall days in January - Milltown, WI
  • Average rainfall days in January: 2 days

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is January (2 days).

Average snowfall in January
Milltown, WI

Average snowfall in January - Milltown, WI
  • Average snowfall in January: 3.78"

The month with the highest snowfall is December (6.26").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Milltown, WI

Average snowfall days in January - Milltown, WI
  • Average snowfall days in January: 16 days

The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Milltown, WI
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 2h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in January
Milltown, WI

Average sunshine days in January - Milltown, WI
  • Average sunshine days in January: 15.7 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in January
Milltown, WI

Average UV index in January - Milltown, 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).

Average cloud cover in January
Milltown, WI

Average cloud cover in January - Milltown, WI
  • Average cloud cover in January: 73

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in January
Milltown, WI

Average visibility in January - Milltown, 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).

Milltown, Wisconsin, USA

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