January weather forecast
Waltonville, IL

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Weather in January

January, like December, in Waltonville, Illinois, is an icy winter month, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 38.8°F (3.8°C).

Temperature

January is the month that records the lowest temperatures, with averages ranging from a high of 38.8°F (3.8°C) to a low of 25.7°F (-3.5°C).

Humidity

The average relative humidity in January is 76%.

Rainfall

In Waltonville, in January, it is raining for 7.3 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 122.7 rainfall days, and 18.03" (458mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 4.5 days and accumulates 0.71" (18mm) of snow.

Daylight

In Waltonville, the average length of the day in January is 9h and 52min.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:01 am and sunset at 5:17 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.5h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Waltonville?

Waltonville records the coldest temperatures in January, averaging a high of 38.8°F (3.8°C) and a low of 25.7°F (-3.5°C).

How cold is January in Waltonville?

The high-temperature, in January, in Waltonville, records 38.8°F (3.8°C), while the low-temperature is 25.7°F (-3.5°C).

What is the average humidity in January?

In January, the average relative humidity is 76%.

How much does it rain in January?

In Waltonville, during January, the rain falls for 7.3 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 4.5 days and accumulates 0.71" (18mm) of snow.

How much does it snow in January?

In January, it is snowing for 4.5 days. Throughout January, 0.71" (18mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 52min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:12 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:17 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4.5h of sunshine.

How many hours of sunshine does Waltonville have in January?

In Waltonville, the average sunshine duration in January is 4.5h.

When is the lowest UV index in Waltonville?

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

What is the UV index intensity in January?

In Waltonville, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents 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
Waltonville, IL

Average temperature in January - Waltonville, IL
  • Average high temperature in January: 38.8°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in January: 25.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in January
Waltonville, IL

Average pressure in January - Waltonville, IL
  • 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
Waltonville, IL

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

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

Average humidity in January
Waltonville, IL

Average humidity in January - Waltonville, IL
  • Average humidity in January: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in January
Waltonville, IL

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

The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (0.98").

Average rainfall days in January
Waltonville, IL

Average rainfall days in January - Waltonville, IL
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in January
Waltonville, IL

Average snowfall in January - Waltonville, IL
  • Average snowfall in January: 0.71"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Waltonville, IL

Average snowfall days in January - Waltonville, IL
  • Average snowfall days in January: 4.5 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Waltonville, IL
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 4h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in January
Waltonville, IL

Average sunshine days in January - Waltonville, IL
  • Average sunshine days in January: 19.9 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in January
Waltonville, IL

Average UV index in January - Waltonville, IL
  • 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, November and December (UV index 2).

Average cloud cover in January
Waltonville, IL

Average cloud cover in January - Waltonville, IL
  • Average cloud cover in January: 51

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in January
Waltonville, IL

Average visibility in January - Waltonville, IL
  • Average visibility in January: 6mi

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

Waltonville, Illinois, USA

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