Search Menu

The weather in January in Onalaska

It's cold in January in Onalaska with an average temperature of -2°C. Temperatures this month range from a low of -6°C to a high of 0°C. At night, you can expect temperatures between -14°C and -7°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Onalaska, Wisconsin. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 12°C in 2019, Onalaska reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was -25°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of -34°C to a highest value of 4°C.

Precipitation and snowfall

In January, there is an average of 32 mm of precipitation, spread over 7 days. Of the total precipitation, about 23 cm falls as snow in January. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in January for Onalaska

Click on any day in January to get detailed info about the usual weather on that day in Onalaska. Check out the historical temperatures and precipitation over the past 10 years on this day.

January weather comparison

  Onalaska New York
Average temperature -2°C 5°C
Max. temperature 0°C 11°C
Min. temperature -14°C -5°C
Total precipitation 32 mm 97 mm
Rainy days 7 days 12 days
Total snowfall 23 cm 16 cm
Snowy days 10 days 8 days

Start of January

The month of January starts in Onalaska with really cold temps, averaging around -2°C during the day and nights dipping to about -11°C.

Mid January

By mid-January, daytime temps rise to around -1°C, with nights around -9°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of January

By the end of January, the average daytime temperature in Onalaska is around -2°C, while nighttime temps are about -10°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Onalaska

UV index

The UV index is a maximum of 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.

Check out the climate of Onalaska for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in January in Onalaska, Wisconsin. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in January in Onalaska

Temperature in January in Onalaska over the years

Precipitation charts

These charts show the average amount of precipitation in January in Onalaska, Wisconsin. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in January in Onalaska

Total precipitation in January in Onalaska over the years

Daily Snowfall in January in Onalaska

Snowfall in January in Onalaska per year

Daily UV index in January in Onalaska

This chart shows the average daily UV index in January in Onalaska, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in January in Onalaska

Have you been to Onalaska in January?

Share your weather experience in January in Onalaska.

Your email will not be shown in the review and will not be shared with others.

Average weather in Onalaska by month

Click on a month below to see detailed weather info for Onalaska. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.