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
The coldest period tends to be January, when average temperatures fluctuate between a high of 28.8°F (-1.8°C) and a low of 16.7°F (-8.5°C).Humidity
The average relative humidity in January is 83%.Rainfall
In Earlville, during January, the rain falls for 3.8 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, in Earlville, there are 109.6 rainfall days, and 10.31" (262mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall in Earlville is January, when snow falls for 8.8 days and typically aggregates up to 1.38" (35mm) of snow.Daylight
In Earlville, the average length of the day in January is 9h and 34min.On the first day of January in Earlville, sunrise is at 7:22 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:09 pm CST.
Sunshine
The month with the least sunshine in Earlville, Illinois, is January, with an average of 3.8h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In January, a daily maximum UV index of 1 leads to the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the coldest time of year in Earlville?
How cold is January in Earlville?
What is the average humidity in January in Earlville?
How much does it rain in Earlville in January?
When does it snow the most in Earlville?
How many days does it snow in January in Earlville?
What is the average length of the day in January in Earlville?
When is the sunrise / sunset in January in Earlville?
What is the month with the least sunshine in Earlville?
How many hours of sunshine does Earlville have in January?
What are the months with the lowest UV index in Earlville?
What is the UV index reading in January in Earlville?
Average temperature in January
Earlville, IL
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 16.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in January
Earlville, 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 (29.92"Hg).
Average wind speed in January
Earlville, IL
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in January
Earlville, IL
- Average humidity in January: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Earlville, IL
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in January
Earlville, IL
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in January
Earlville, IL
- Average snowfall in January: 1.38"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Earlville, IL
- Average snowfall days in January: 8.8 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Earlville, 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 12min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Earlville, IL
- Average sunshine days in January: 21.3 days
The months with the most sunshine days are January and December (21.3 days).
The month with the least sunshine days is May (14.2 days).
Average UV index in January
Earlville, 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
Earlville, IL
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in January
Earlville, 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).
Earlville, Illinois, USA
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