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
In Leaf River, the lowest temperatures are generally noted in January, averaging a high of 26.1°F (-3.3°C) and a low of 13.8°F (-10.1°C).Humidity
The most humid month in Leaf River is January, with an average relative humidity of 86%.Rainfall
In Leaf River, during January, the rain falls for 6.2 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Leaf River, Illinois, during the entire year, the rain falls for 154.8 days and collects up to 32.36" (822mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 12.1 days and typically aggregates up to 5.79" (147mm) of snow.Daylight
In January, the average length of the day is 9h and 31min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:36 pm. On the last day of January, sunrise is at 7:11 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 Leaf River.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Leaf River. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 1 during January, leads to the following 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. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Leaf River?
How cold is January in Leaf River?
What is the most humid month in Leaf River?
What is the average humidity in January in Leaf River?
How much does it rain in Leaf River in January?
When does it snow the most in Leaf River?
How many days does it snow in January in Leaf River?
How many hours of daylight does Leaf River have in January?
When is the sunrise / sunset in January in Leaf River?
What is the month with the least sunshine in Leaf River?
How many hours of sunshine does Leaf River have in January?
When is the lowest UV index in Leaf River?
How high is the UV index in January in Leaf River?
Average temperature in January
Leaf River, IL
- Average high temperature in January: 26.1°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in January: 13.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in January
Leaf River, 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
Leaf River, 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 (6.4mph).
Average humidity in January
Leaf River, IL
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in January
Leaf River, IL
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in January
Leaf River, IL
- Average rainfall days in January: 6.2 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in January
Leaf River, IL
- Average snowfall in January: 5.79"
The month with the highest snowfall is January (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Leaf River, IL
- Average snowfall days in January: 12.1 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Leaf River, 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 12min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Leaf River, IL
- Average sunshine days in January: 14.7 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in January
Leaf River, 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
Leaf River, 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 34).
Average visibility in January
Leaf River, 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).
Leaf River, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location