January weather forecast
Trego, WI

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Weather in January

January, the same as December, in Trego, Wisconsin, is another subzero cold winter month, with an average temperature varying between 17.4°F (-8.1°C) and 4.8°F (-15.1°C).

Temperature

The coldest month is January, with an average high-temperature of 17.4°F (-8.1°C) and an average low-temperature of 4.8°F (-15.1°C).

Humidity

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

Rainfall

January is the month with the least rainfall in Trego, Wisconsin. Rain falls for 2.4 days and accumulates 0.59" (15mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Trego, Wisconsin, during January, snow falls for 14.6 days and regularly aggregates up to 3.94" (100mm) of snow. In Trego, during the entire year, snow falls for 71.7 days and aggregates up to 27.13" (689mm) of snow.

Daylight

The average length of the day in January is 9h and 9min.
On the first day of the month, sunrise is at 7:48 am and sunset at 4:32 pm. On the last day of January, in Trego, sunrise is at 7:30 am and sunset at 5:10 pm CST.

Sunshine

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

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 1 during January translates into the following guidance:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Trego?

In Trego, the average lowest temperatures are observed in January, with a high of 17.4°F (-8.1°C) and a low of 4.8°F (-15.1°C).

How cold is January in Trego?

In Trego, in January, the average high-temperature is 17.4°F (-8.1°C), and the average low-temperature is 4.8°F (-15.1°C).

What is the most humid month in Trego?

With an average relative humidity of 92%, January is the most humid month.

What is the average humidity in January in Trego?

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

What is the driest month in Trego?

January is the month with the least rainfall in Trego. Rain falls for 2.4 days and accumulates 0.59" (15mm) of precipitation.

How much does it rain in Trego in January?

In Trego, Wisconsin, in January, it is raining for 2.4 days, with typically 0.59" (15mm) of accumulated precipitation.

How many days does it snow in January in Trego?

In January, it is snowing for 14.6 days. Throughout January, 3.94" (100mm) of snow is accumulated.

How many hours of daylight does Trego have in January?

In January, the average day length in Trego, Wisconsin, is 9h and 9min.

When is the sunrise / sunset in January in Trego?

In January, on the first day of the month, sunrise is at 7:48 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:10 pm CST.

What is the month with the least sunshine in Trego?

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

How many hours of sunshine does Trego have in January?

In Trego, Wisconsin, the average sunshine duration in January is 2.6h.

When is the lowest UV index in Trego?

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

How high is the UV index in January in Trego?

In January, the average daily maximum UV index in Trego, Wisconsin, is 1. A UV Index estimate of 2, and below, represents a low health risk 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
Trego, WI

Average temperature in January - Trego, WI
  • Average high temperature in January: 17.4°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (17.4°F).

  • Average low temperature in January: 4.8°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

Average pressure in January
Trego, WI

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

The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Trego, WI

Average wind speed in January - Trego, WI
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in January
Trego, WI

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

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (73%).

Average rainfall in January
Trego, WI

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

The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in January
Trego, WI

Average rainfall days in January - Trego, WI
  • Average rainfall days in January: 2.4 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.4 days).

Average snowfall in January
Trego, WI

Average snowfall in January - Trego, WI
  • Average snowfall in January: 3.94"

The month with the highest snowfall is December (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Trego, WI

Average snowfall days in January - Trego, WI
  • Average snowfall days in January: 14.6 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in January: 2h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in January
Trego, WI

Average sunshine days in January - Trego, WI
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in January
Trego, WI

Average UV index in January - Trego, 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, November and December (UV index 1).

Average cloud cover in January
Trego, WI

Average cloud cover in January - Trego, WI
  • Average cloud cover in January: 74

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in January
Trego, WI

Average visibility in January - Trego, WI
  • Average visibility in January: 4mi

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

Trego, Wisconsin, USA

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