January weather forecast
Winslow, IL

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Weather in January

January, like December, is a freezing cold winter month in Winslow, Illinois, with an average temperature fluctuating between 12.9°F (-10.6°C) and 24.8°F (-4°C).

Temperature

In Winslow, the month of January is known for its lowest average temperatures, reaching a high of 24.8°F (-4°C) and a low of 12.9°F (-10.6°C).

Humidity

January is the most humid month, with an average relative humidity of 87%.

Rainfall

The month with the least rainfall is January, when the rain falls for 5.3 days and typically collects 1.06" (27mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 13.1 days and typically aggregates up to 3.46" (88mm) of snow.

Daylight

The average length of the day in January is 9h and 29min.
On the first day of January in Winslow, sunrise is at 7:28 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:10 pm CST.

Sunshine

With an average of 3.6h of sunshine, January has the least sunshine of the year in Winslow.

UV index

The months with the lowest UV index in Winslow, Illinois, are January 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 ordinary individuals.
Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Winslow?

January, known for its average high temperature of 24.8°F (-4°C) and an average low temperature of 12.9°F (-10.6°C), is the coldest month in Winslow, Illinois.

How cold is January in Winslow?

The high-temperature in Winslow, Illinois, during January is 24.8°F (-4°C) and the low-temperature is 12.9°F (-10.6°C).

What is the most humid month in Winslow?

The most humid month in Winslow, Illinois, is January, with an average relative humidity of 87%.

What is the average humidity in January in Winslow?

In Winslow, Illinois, the average relative humidity in January is 87%.

What is the driest month in Winslow?

January is the month with the least rainfall. Rain falls for 5.3 days and accumulates 1.06" (27mm) of precipitation.

How many days does it rain in January in Winslow?

In Winslow, in January, during 5.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

What is the snowiest month in Winslow?

The month with the most snowfall is January, when snow falls for 13.1 days and typically aggregates up to 3.46" (88mm) of snow.

How much does it snow in Winslow in January?

In January, in Winslow, it is snowing for 13.1 days. Throughout January, 3.46" (88mm) of snow is accumulated.

How many hours of daylight does Winslow have in January?

The average day length in January in Winslow, Illinois, is 9h and 29min.

When is the sunrise / sunset in January in Winslow?

On the first day of January, sunrise is at 7:28 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:10 pm CST.

What is the month with the least sunshine in Winslow?

The month with the least sunshine in Winslow, Illinois, is January, with an average of 3.6h of sunshine.

How long on average sun shines in January in Winslow?

In Winslow, the average sunshine duration in January is 3.6h.

When is the lowest UV index in Winslow?

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

How high is the UV index in January in Winslow?

In Winslow, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from 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
Winslow, IL

Average temperature in January - Winslow, IL
  • Average high temperature in January: 24.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in January: 12.9°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in January
Winslow, IL

Average pressure in January - Winslow, IL
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Winslow, IL

Average wind speed in January - Winslow, IL
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in January
Winslow, IL

Average humidity in January - Winslow, IL
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

Average rainfall in January
Winslow, IL

Average rainfall in January - Winslow, IL
  • Average rainfall in January: 1.06"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in January
Winslow, IL

Average rainfall days in January - Winslow, IL
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (5.3 days).

Average snowfall in January
Winslow, IL

Average snowfall in January - Winslow, IL
  • Average snowfall in January: 3.46"

The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Winslow, IL

Average snowfall days in January - Winslow, IL
  • Average snowfall days in January: 13.1 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Winslow, IL

Average daylight in January / Average sunshine in January - Winslow, IL
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 3h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in January
Winslow, IL

Average sunshine days in January - Winslow, IL
  • Average sunshine days in January: 14.3 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in January
Winslow, IL

Average UV index in January - Winslow, IL
  • 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 and December (UV index 1).

Average cloud cover in January
Winslow, IL

Average cloud cover in January - Winslow, IL
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in January
Winslow, IL

Average visibility in January - Winslow, IL
  • Average visibility in January: 5mi

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

Winslow, Illinois, USA

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