January weather forecast
Winona, MO

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Weather in January

January, like December, in Winona, Missouri, is a wintry winter month, with an average temperature ranging between max 41.5°F (5.3°C) and min 26.1°F (-3.3°C).

Temperature

The coldest temperatures occur during January, when averages reach a peak of 41.5°F (5.3°C) and a low of 26.1°F (-3.3°C).

Humidity

In January, the average relative humidity is 75%.

Rainfall

In Winona, in January, it is raining for 7.3 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 139.5 rainfall days, and 25.87" (657mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Winona, during January, snow falls for 5.2 days and regularly aggregates up to 1.26" (32mm) of snow. In Winona, during the entire year, snow falls for 17.2 days and aggregates up to 4.84" (123mm) of snow.

Daylight

In Winona, the average length of the day in January is 9h and 58min.
On the first day of January, sunrise is at 7:18 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:28 pm CST.

Sunshine

In January, the average sunshine is 5h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In January, the maximum UV index of 2 suggests this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

What part of the year is the coldest?

January tends to be the coldest month, with temperatures averaging a daily high of 41.5°F (5.3°C) and a low of 26.1°F (-3.3°C).

Is it cold during January?

In January, in Winona, the average high-temperature is 41.5°F (5.3°C), and the average low-temperature is 26.1°F (-3.3°C).

What is the average humidity in January?

The average relative humidity in January is 75%.

How much does it rain in January?

In Winona, in January, it is raining for 7.3 days, with typically 1.54" (39mm) of accumulated precipitation.

How many days does it snow in January?

In January, it is snowing for 5.2 days. Throughout January, 1.26" (32mm) of snow is accumulated.

How many hours of daylight does Winona have in January?

In January, the average day length is 9h and 58min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:18 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:28 pm CST.

How many hours of sunshine does Winona have in January?

In Winona, the average sunshine duration in January is 5h.

What is the month with the lowest UV index?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk 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
Winona, MO

Average temperature in January - Winona, MO
  • Average high temperature in January: 41.5°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in January: 26.1°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in January
Winona, MO

Average pressure in January - Winona, MO
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Winona, MO

Average wind speed in January - Winona, MO
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

Average humidity in January
Winona, MO

Average humidity in January - Winona, MO
  • Average humidity in January: 75%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in January
Winona, MO

Average rainfall in January - Winona, MO
  • Average rainfall in January: 1.54"

The wettest months (with the highest rainfall) are April and May (3.15").
The driest month (with the least rainfall) is September (1.22").

Average rainfall days in January
Winona, MO

Average rainfall days in January - Winona, MO
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (7 days).

Average snowfall in January
Winona, MO

Average snowfall in January - Winona, MO
  • Average snowfall in January: 1.26"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Winona, MO

Average snowfall days in January - Winona, MO
  • Average snowfall days in January: 5.2 days

The month with the highest number of snowfall days is January (5.2 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, MO

Average daylight in January / Average sunshine in January - Winona, MO
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Winona, MO

Average sunshine days in January - Winona, MO
  • Average sunshine days in January: 19.2 days

The month with the most sunshine days is December (20.5 days).
The months with the least sunshine days are May and June (12.6 days).

Average UV index in January
Winona, MO

Average UV index in January - Winona, MO
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in January
Winona, MO

Average cloud cover in January - Winona, MO
  • Average cloud cover in January: 47

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in January
Winona, MO

Average visibility in January - Winona, MO
  • Average visibility in January: 6mi

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

Winona, Missouri, USA

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