January weather forecast
Waterman, IL

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Weather in January

January, like December, is another subzero cold winter month in Waterman, Illinois, with temperature in the range of an average high of 27.5°F (-2.5°C) and an average low of 15.6°F (-9.1°C).

Temperature

January is the coldest month of the year, registering average temperatures as high as 27.5°F (-2.5°C) and as low as 15.6°F (-9.1°C).

Humidity

In Waterman, the average relative humidity in January is 84%.

Rainfall

In Waterman, in January, during 5.3 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in Waterman, there are 158.9 rainfall days, and 32.52" (826mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Waterman. January is the month with the most snowfall. Snow falls for 11.8 days and accumulates 5" (127mm) of snow.

Daylight

In Waterman, the average length of the day in January is 9h and 34min.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:34 pm. On the last day of January, in Waterman, sunrise is at 7:08 am and sunset at 5:08 pm CST.

Sunshine

January has the least sunshine of the year in Waterman, with an average of 3.8h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 1 in January translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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 Waterman?

January, with its average high-temperature of 27.5°F (-2.5°C) and an average low-temperature of 15.6°F (-9.1°C), holds the record as the coldest month in Waterman.

How cold is January in Waterman?

January temperatures vary between a high-temperature of 27.5°F (-2.5°C) and a low-temperature of 15.6°F (-9.1°C).

What is the average humidity in January in Waterman?

In January, the average relative humidity is 84%.

How many days does it rain in January in Waterman?

In Waterman, Illinois, in January, it is raining for 5.3 days, with typically 1.77" (45mm) of accumulated precipitation.

When does it snow the most in Waterman?

January is the month with the most snowfall. Snow falls for 11.8 days and accumulates 5" (127mm) of snow.

How many days does it snow in January in Waterman?

In Waterman, in January, snow falls for 11.8 days, with typically accumulated 5" (127mm) of snow.

What is the average length of the day in January in Waterman?

The average day length in January in Waterman is 9h and 34min.

When are sunrise and sunset in January in Waterman?

In January, on the first day of the month, sunrise is at 7:22 am and sunset at 4:34 pm. On the last day of the month, in Waterman, Illinois, sunrise is at 7:08 am and sunset at 5:08 pm CST.

What is the month with the least sunshine in Waterman?

January has the least sunshine of the year in Waterman, with an average of 3.8h of sunshine.

How many hours of sunshine does Waterman have in January?

In Waterman, the average sunshine duration in January is 3.8h.

When is the lowest UV index in Waterman?

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

What is the UV index reading in January in Waterman?

The average daily maximum UV index in January in Waterman, Illinois, is 1. A UV Index reading of 2, and below, represents a low health threat 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
Waterman, IL

Average temperature in January - Waterman, IL
  • Average high temperature in January: 27.5°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in January: 15.6°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

Average pressure in January
Waterman, IL

Average pressure in January - Waterman, IL
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Waterman, IL

Average wind speed in January - Waterman, IL
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in January
Waterman, IL

Average humidity in January - Waterman, IL
  • Average humidity in January: 84%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (74%).

Average rainfall in January
Waterman, IL

Average rainfall in January - Waterman, IL
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are November and December (1.69").

Average rainfall days in January
Waterman, IL

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

The month with the highest number of rainy days is July (19.2 days).
The months with the least rainy days are January and February (5.3 days).

Average snowfall in January
Waterman, IL

Average snowfall in January - Waterman, IL
  • Average snowfall in January: 5"

The month with the highest snowfall is January (5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Waterman, IL

Average snowfall days in January - Waterman, IL
  • Average snowfall days in January: 11.8 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Waterman, IL
  • Average daylight in January: 9h and 4min

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 12min).

  • Average sunshine in January: 3h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in January
Waterman, IL

Average sunshine days in January - Waterman, IL
  • Average sunshine days in January: 15.3 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (8.5 days).

Average UV index in January
Waterman, IL

Average UV index in January - Waterman, IL
  • Average UV index in January: 1

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Waterman, IL

Average cloud cover in January - Waterman, IL
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 34).

Average visibility in January
Waterman, IL

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

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

Waterman, Illinois, USA

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