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
January, with average temperatures reaching a high of 30.4°F (-0.9°C) and a low of 18.3°F (-7.6°C), is the coldest month.Humidity
In Trivoli, the average relative humidity in January is 81%.Rainfall
In Trivoli, in January, during 6.1 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Trivoli, during the entire year, the rain falls for 145.3 days and collects up to 28.62" (727mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 10.6 days and typically aggregates up to 3.78" (96mm) of snow.Daylight
The average length of the day in January is 9h and 39min.On the first day of January in Trivoli, sunrise is at 7:23 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:15 pm CST.
Sunshine
With an average of 4h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In January, the UV index of 1 transforms into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does Trivoli have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Trivoli, IL
- Average high temperature in January: 30.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in January: 18.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in January
Trivoli, 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 (29.91"Hg).
Average wind speed in January
Trivoli, IL
- Average wind speed in January: 10.4mph
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 (6.6mph).
Average humidity in January
Trivoli, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Trivoli, IL
- Average rainfall in January: 1.46"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.42").
Average rainfall days in January
Trivoli, IL
- Average rainfall days in January: 6.1 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in January
Trivoli, IL
- Average snowfall in January: 3.78"
The month with the highest snowfall is January (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Trivoli, IL
- Average snowfall days in January: 10.6 days
The month with the highest number of snowfall days is January (10.6 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
Trivoli, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Trivoli, IL
- Average sunshine days in January: 15.4 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in January
Trivoli, IL
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Trivoli, IL
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in January
Trivoli, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Trivoli, Illinois, USA
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