January weather forecast
Eureka, WI

Share

Weather in January

January, the same as December, in Eureka, Wisconsin, is another subzero cold winter month, with temperature in the range of an average low of 10.8°F (-11.8°C) and an average high of 22.3°F (-5.4°C).

Temperature

Eureka's coldest month, January, generally records average temperatures ranging from a high of 22.3°F (-5.4°C) to a low of 10.8°F (-11.8°C).

Humidity

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

Rainfall

The month with the least rainfall in Eureka is January, when the rain falls for 3.4 days and typically collects 0.47" (12mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Eureka, Wisconsin. January is the month with the most snowfall. Snow falls for 11.8 days and accumulates 2.24" (57mm) of snow.

Daylight

In January, the average length of the day is 9h and 20min.
On the first day of January in Eureka, sunrise is at 7:29 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:03 pm CST.

Sunshine

January and February, with an average of 3.4h of sunshine, are months with the least sunshine in Eureka.

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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 1 in January translates into this advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Experience reduced UV exposure by about half when donning a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly 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 Eureka?

Eureka experiences its average lowest temperatures in January, reaching a peak of 22.3°F (-5.4°C) and a minimum of 10.8°F (-11.8°C).

How cold is it in Eureka in January?

During January, Eureka experiences an average high-temperature of 22.3°F (-5.4°C) and a low-temperature of 10.8°F (-11.8°C).

What is the most humid month in Eureka?

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

What is the average humidity in January in Eureka?

In Eureka, Wisconsin, the average relative humidity in January is 89%.

What is the driest month in Eureka?

January is the month with the least rainfall in Eureka, Wisconsin. Rain falls for 3.4 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in January in Eureka?

In Eureka, Wisconsin, in January, during 3.4 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

When does it snow the most in Eureka?

The month with the most snowfall in Eureka is January, when snow falls for 11.8 days and typically aggregates up to 2.24" (57mm) of snow.

How many days does it snow in January in Eureka?

In Eureka, Wisconsin, in January, during 11.8 snowfall days, 2.24" (57mm) of snow is typically accumulated.

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

In Eureka, the average day length in January is 9h and 20min.

When are sunrise and sunset in January in Eureka?

On the first day of January, sunrise is at 7:29 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:03 pm CST.

What are the months with the least sunshine in Eureka?

January and February, with an average of 3.4h of sunshine, are months with the least sunshine.

How long on average sun shines in January in Eureka?

In Eureka, Wisconsin, the average sunshine duration in January is 3.4h.

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

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

How high is the UV index in January in Eureka?

The average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents 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
Eureka, WI

Average temperature in January - Eureka, WI
  • Average high temperature in January: 22.3°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in January
Eureka, WI

Average pressure in January - Eureka, WI
  • Average pressure in January: 30.09"Hg

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

Average wind speed in January
Eureka, WI

Average wind speed in January - Eureka, WI
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in January
Eureka, WI

Average humidity in January - Eureka, 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
Eureka, WI

Average rainfall in January - Eureka, WI
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in January
Eureka, WI

Average rainfall days in January - Eureka, WI
  • Average rainfall days in January: 3.4 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in January
Eureka, WI

Average snowfall in January - Eureka, WI
  • Average snowfall in January: 2.24"

The month with the highest snowfall is January (2.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Eureka, WI

Average snowfall days in January - Eureka, WI
  • Average snowfall days in January: 11.8 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
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: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

Average sunshine days in January
Eureka, WI

Average sunshine days in January - Eureka, WI
  • Average sunshine days in January: 19.3 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (13.5 days).

Average UV index in January
Eureka, WI

Average UV index in January - Eureka, 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
Eureka, WI

Average cloud cover in January - Eureka, WI
  • Average cloud cover in January: 64

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in January
Eureka, WI

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

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

Eureka, Wisconsin, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location