January weather forecast
Blue River, WI

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Weather in January

January, like December, is a freezing cold winter month in Blue River, Wisconsin, with an average temperature varying between 23.4°F (-4.8°C) and 9.9°F (-12.3°C).

Temperature

In Blue River, the lowest average temperatures are observed in January, with a high of 23.4°F (-4.8°C) and a low of 9.9°F (-12.3°C).

Humidity

The most humid month in Blue River is January, with an average relative humidity of 89%.

Rainfall

The month with the least rainfall in Blue River, Wisconsin, is January, when the rain falls for 4.8 days and typically collects 1.14" (29mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Blue River, during January, snow falls for 15.7 days and regularly aggregates up to 5.12" (130mm) of snow. Throughout the year, in Blue River, there are 60.2 snowfall days, and 22.13" (562mm) of snow is accumulated.

Daylight

In January, the average length of the day in Blue River is 9h and 25min.
On the first day of the month, sunrise is at 7:34 am and sunset at 4:37 pm. On the last day of January, in Blue River, sunrise is at 7:18 am and sunset at 5:12 pm CST.

Sunshine

With an average of 3.4h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index in Blue River are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 1 suggests this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Blue River?

January, noted for its average high-temperature of 23.4°F (-4.8°C) and an average low-temperature of 9.9°F (-12.3°C), is considered the coldest month.

How cold is January in Blue River?

The high-temperature, in January, in Blue River, records 23.4°F (-4.8°C), while the low-temperature is 9.9°F (-12.3°C).

What is the most humid month in Blue River?

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

What is the average humidity in January in Blue River?

In Blue River, the average relative humidity in January is 89%.

What is the driest month in Blue River?

January is the month with the least rainfall in Blue River. Rain falls for 4.8 days and accumulates 1.14" (29mm) of precipitation.

How much does it rain in Blue River in January?

In Blue River, Wisconsin, in January, it is raining for 4.8 days, with typically 1.14" (29mm) of accumulated precipitation.

How many days does it snow in January in Blue River?

In Blue River, in January, snow falls for 15.7 days, with typically accumulated 5.12" (130mm) of snow.

How many hours of daylight does Blue River have in January?

In Blue River, Wisconsin, the average day length in January is 9h and 25min.

When is the sunrise / sunset in January in Blue River?

On the first day of January in Blue River, sunrise is at 7:34 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:12 pm CST.

What is the month with the least sunshine in Blue River?

January has the least sunshine of the year in Blue River, Wisconsin, with an average of 3.4h of sunshine.

How many hours of sunshine does Blue River have in January?

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

What are the months with the lowest UV index in Blue River?

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 Blue River?

In Blue River, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a low health threat 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
Blue River, WI

Average temperature in January - Blue River, WI
  • Average high temperature in January: 23.4°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in January: 9.9°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 (9.9°F).

Average pressure in January
Blue River, WI

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

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in January
Blue River, WI

Average wind speed in January - Blue River, WI
  • Average wind speed in January: 9.1mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in January
Blue River, WI

Average humidity in January - Blue River, WI
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in January
Blue River, WI

Average rainfall in January - Blue River, WI
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in January
Blue River, WI

Average rainfall days in January - Blue River, WI
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in January
Blue River, WI

Average snowfall in January - Blue River, WI
  • Average snowfall in January: 5.12"

The month with the highest snowfall is February (5.98").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Blue River, WI

Average snowfall days in January - Blue River, WI
  • Average snowfall days in January: 15.7 days

The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Blue River, WI

Average daylight in January / Average sunshine in January - Blue River, 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 0min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in January
Blue River, WI

Average sunshine days in January - Blue River, WI
  • Average sunshine days in January: 12.8 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in January
Blue River, WI

Average UV index in January - Blue River, 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
Blue River, WI

Average cloud cover in January - Blue River, 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 32).

Average visibility in January
Blue River, WI

Average visibility in January - Blue River, WI
  • Average visibility in January: 4mi

The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).

Blue River, Wisconsin, USA

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