January weather forecast
Nelsonville, WI

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Weather in January

January, like December, is another subzero cold winter month in Nelsonville, Wisconsin, with an average temperature fluctuating between 9°F (-12.8°C) and 20.5°F (-6.4°C).

Temperature

With average temperatures fluctuating between a high of 20.5°F (-6.4°C) and a low of 9°F (-12.8°C), January stands out as the coldest month.

Humidity

January is the most humid month, with an average relative humidity of 91%.

Rainfall

In Nelsonville, in January, it is raining for 2.8 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 123.2 rainfall days, and 23.54" (598mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Nelsonville, in January, snow falls for 14.1 days, with typically accumulated 4.69" (119mm) of snow. Throughout the year, there are 59.4 snowfall days, and 22.83" (580mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 17min.
On the first day of the month, sunrise is at 7:33 am and sunset at 4:27 pm. On the last day of January, in Nelsonville, sunrise is at 7:16 am and sunset at 5:04 pm CST.

Sunshine

With an average of 2.8h of sunshine, January has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 1 in January transforms into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

In Nelsonville, the average lowest temperatures are observed in January, with a high of 20.5°F (-6.4°C) and a low of 9°F (-12.8°C).

How cold is January?

Nelsonville in January has an average high-temperature of 20.5°F (-6.4°C) and an average low-temperature of 9°F (-12.8°C).

What is the most humid month?

With an average relative humidity of 91%, January is the most humid month.

What is the average humidity in January in Nelsonville?

The average relative humidity in January is 91%.

How much does it rain in January?

In Nelsonville, in January, it is raining for 2.8 days, with typically 1.02" (26mm) of accumulated precipitation.

How much does it snow in January?

In Nelsonville, Wisconsin, during January, snow falls for 14.1 days and regularly aggregates up to 4.69" (119mm) of snow.

What is the average length of the day in January?

In January, the average day length is 9h and 17min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:33 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:04 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year in Nelsonville, Wisconsin, with an average of 2.8h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration in Nelsonville is 2.8h.

What are the months with the lowest UV index in Nelsonville?

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

How high is the UV index in January?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe 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
Nelsonville, WI

Average temperature in January - Nelsonville, WI
  • Average high temperature in January: 20.5°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (20.5°F).

  • Average low temperature in January: 9°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average pressure in January
Nelsonville, WI

Average pressure in January - Nelsonville, WI
  • Average pressure in January: 30.1"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Nelsonville, WI

Average wind speed in January - Nelsonville, WI
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.2mph).

Average humidity in January
Nelsonville, WI

Average humidity in January - Nelsonville, WI
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (76%).

Average rainfall in January
Nelsonville, WI

Average rainfall in January - Nelsonville, WI
  • Average rainfall in January: 1.02"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in January
Nelsonville, WI

Average rainfall days in January - Nelsonville, WI
  • Average rainfall days in January: 2.8 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in January
Nelsonville, WI

Average snowfall in January - Nelsonville, WI
  • Average snowfall in January: 4.69"

The month with the highest snowfall is December (5.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Nelsonville, WI

Average snowfall days in January - Nelsonville, WI
  • Average snowfall days in January: 14.1 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 2h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in January
Nelsonville, WI

Average sunshine days in January - Nelsonville, WI
  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is November (17 days).
The months with the least sunshine days are April, May and June (12.7 days).

Average UV index in January
Nelsonville, WI

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

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

Average cloud cover in January
Nelsonville, WI

Average cloud cover in January - Nelsonville, WI
  • Average cloud cover in January: 70

The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in January
Nelsonville, WI

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

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

Nelsonville, Wisconsin, USA

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