January weather forecast
Joy, IL

Share

Weather in January

January, like December, is a freezing cold winter month in Joy, Illinois, with an average temperature fluctuating between 16.9°F (-8.4°C) and 28.8°F (-1.8°C).

Temperature

With average high and low temperatures of 28.8°F (-1.8°C) and 16.9°F (-8.4°C) respectively, January is Joy's coldest month.

Humidity

In January, the average relative humidity in Joy is 82%.

Rainfall

In Joy, Illinois, in January, during 4.1 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Joy, Illinois, during the entire year, the rain falls for 121.3 days and collects up to 17.72" (450mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Joy. January is the month with the most snowfall in Joy. Snow falls for 7.8 days and accumulates 2.4" (61mm) of snow.

Daylight

In Joy, the average length of the day in January is 9h and 37min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:18 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.2h of sunshine.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 1 in January transforms into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
[Resources]

Frequently asked questions

What are the coldest months in Joy?

In Joy, January is known for its average lowest temperatures, reaching a high of 28.8°F (-1.8°C) and a low of 16.9°F (-8.4°C).

How cold is January in Joy?

In Joy, in January, the average high-temperature is 28.8°F (-1.8°C), and the average low-temperature is 16.9°F (-8.4°C).

What is the average humidity in January in Joy?

The average relative humidity in January is 82%.

How many days does it rain in January in Joy?

In Joy, in January, it is raining for 4.1 days, with typically 0.79" (20mm) of accumulated precipitation.

What is the snowiest month in Joy?

January is the month with the most snowfall in Joy, Illinois. Snow falls for 7.8 days and accumulates 2.4" (61mm) of snow.

How much does it snow in Joy in January?

In January, it is snowing for 7.8 days. Throughout January, 2.4" (61mm) of snow is accumulated.

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

In January, the average day length in Joy, Illinois, is 9h and 37min.

When are sunrise and sunset in January in Joy?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:45 pm. On the last day of the month, in Joy, sunrise is at 7:15 am and sunset at 5:18 pm CST.

What is the month with the least sunshine in Joy?

January has the least sunshine of the year, with an average of 4.2h of sunshine.

How long on average sun shines in January in Joy?

In Joy, the average sunshine duration in January is 4.2h.

What is the month with the lowest UV index in Joy?

January is the month with the lowest UV index in Joy, Illinois, with an average maximum UV index of 1.

What is the UV index intensity in January in Joy?

In Joy, Illinois, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Joy, IL

Average temperature in January - Joy, IL
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 16.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

[Resources]

Average pressure in January
Joy, IL

Average pressure in January - Joy, IL
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

[Resources]

Average wind speed in January
Joy, IL

Average wind speed in January - Joy, IL
  • Average wind speed in January: 10.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

[Resources]

Average humidity in January
Joy, IL

Average humidity in January - Joy, IL
  • Average humidity in January: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

[Resources]

Average rainfall in January
Joy, IL

Average rainfall in January - Joy, IL
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.67").

[Resources]

Average rainfall days in January
Joy, IL

Average rainfall days in January - Joy, IL
  • Average rainfall days in January: 4.1 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.1 days).

[Resources]

Average snowfall in January
Joy, IL

Average snowfall in January - Joy, IL
  • Average snowfall in January: 2.4"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in January
Joy, IL

Average snowfall days in January - Joy, IL
  • Average snowfall days in January: 7.8 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

[Resources]

Average sunshine days in January
Joy, IL

Average sunshine days in January - Joy, IL
  • Average sunshine days in January: 20.3 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (12.1 days).

[Resources]

Average UV index in January
Joy, IL

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

[Resources]

Average cloud cover in January
Joy, IL

Average cloud cover in January - Joy, IL
  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 29).

[Resources]

Average visibility in January
Joy, IL

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

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

[Resources]

Joy, Illinois, USA

Weather forecast for your location

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