January weather forecast
Winona, MN

Share

Weather in January

In comparison to the preceding month, climatic conditions in Winona, Minnesota, register a sharp drop in January, typifying the winter experience in this region. Frosty temperatures pervade with average high and low records revolving around 20.8°F (-6.2°C) and 7.9°F (-13.4°C) respectively. The frigidity extends from the frosty mornings to the crispy evenings. Correspondingly, this month sees a substantial increase in snowfall, with 11.1 days of snow on record. The days in January can be quite short and dull, with the sun seen for a minimal time during the day.

Temperature

January, with an average high of 20.8°F (-6.2°C) and a low of 7.9°F (-13.4°C), signifies the coldest month of the year.

Humidity

With an average relative humidity of 90%, January is the most humid month.

Rainfall

January is the month with the least rainfall. Rain falls for 3.2 days and accumulates 0.67" (17mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Winona, in January, snow falls for 11.1 days, with typically accumulated 3.66" (93mm) of snow. In Winona, during the entire year, snow falls for 48.6 days and aggregates up to 19.13" (486mm) of snow.

Daylight

In January, the average length of the day is 9h and 20min.
On the first day of January, sunrise is at 7:41 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:14 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 3.2h of sunshine.

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 low health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest period is January, when temperatures fluctuate between an average high of 20.8°F (-6.2°C) and a low of 7.9°F (-13.4°C).

How cold is it in January?

The high-temperature, in January, in Winona, records 20.8°F (-6.2°C), while the low-temperature is 7.9°F (-13.4°C).

What is the most humid month?

With an average relative humidity of 90%, January is the most humid month.

What is the average humidity in January?

In Winona, the average relative humidity in January is 90%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 3.2 days and accumulates 0.67" (17mm) of precipitation.

How much does it rain in January?

In Winona, during January, the rain falls for 3.2 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How much does it snow in January?

In January, it is snowing for 11.1 days. Throughout January, 3.66" (93mm) of snow is accumulated.

What is the average length of the day in January?

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

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:41 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:14 pm CST.

What is the month with the least sunshine?

With an average of 3.2h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

In January, the average sunshine duration is 3.2h.

What is the month with the lowest UV index?

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

How high is the UV index in January?

In Winona, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Winona, MN

Average temperature in January - Winona, MN
  • Average high temperature in January: 20.8°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (20.8°F).

  • Average low temperature in January: 7.9°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average pressure in January
Winona, MN

Average pressure in January - Winona, MN
  • Average pressure in January: 30.13"Hg

The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Winona, MN

Average wind speed in January - Winona, MN
  • Average wind speed in January: 9mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in January
Winona, MN

Average humidity in January - Winona, MN
  • Average humidity in January: 90%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).

Average rainfall in January
Winona, MN

Average rainfall in January - Winona, MN
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in January
Winona, MN

Average rainfall days in January - Winona, MN
  • Average rainfall days in January: 3.2 days

The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in January
Winona, MN

Average snowfall in January - Winona, MN
  • Average snowfall in January: 3.66"

The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Winona, MN

Average snowfall days in January - Winona, MN
  • Average snowfall days in January: 11.1 days

The months with the highest number of snowfall days are January and February (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Winona, MN

Average daylight in January / Average sunshine in January - Winona, MN
  • 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 1min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in January
Winona, MN

Average sunshine days in January - Winona, MN
  • Average sunshine days in January: 18.1 days

The month with the most sunshine days is December (18.4 days).
The month with the least sunshine days is June (9.4 days).

Average UV index in January
Winona, MN

Average UV index in January - Winona, MN
  • 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
Winona, MN

Average cloud cover in January - Winona, MN
  • 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 33).

Average visibility in January
Winona, MN

Average visibility in January - Winona, MN
  • Average visibility in January: 5mi

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

Winona, Minnesota, USA

Weather forecast for your location

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