Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Joy?
How cold is January in Joy?
What is the average humidity in January in Joy?
How many days does it rain in January in Joy?
What is the snowiest month in Joy?
How much does it snow in Joy in January?
What is the average length of the day in January in Joy?
When are sunrise and sunset in January in Joy?
What is the month with the least sunshine in Joy?
How long on average sun shines in January in Joy?
What is the month with the lowest UV index in Joy?
What is the UV index intensity in January in Joy?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Joy, Illinois, USA
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