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 stands out as Jeisyville's coldest month, with temperatures ranging between an average high of 34°F (1.1°C) and a low of 21.6°F (-5.8°C).Humidity
In January, the average relative humidity is 78%.Rainfall
In January, the rain falls for 5.3 days. Throughout January, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 96.7 rainfall days, and 7.64" (194mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In January, it is snowing for 5.9 days. Throughout January, 0.35" (9mm) of snow is accumulated. In Jeisyville, during the entire year, snow falls for 17.5 days and aggregates up to 1.97" (50mm) of snow.Daylight
The average length of the day in January is 9h and 45min.On the first day of January, sunrise is at 7:18 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:15 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.2h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 suggests this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be watchful! The reflection of snow can enhance the intensity of 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?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Jeisyville have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Jeisyville, IL
- Average high temperature in January: 34°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Jeisyville, IL
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Jeisyville, IL
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in January
Jeisyville, IL
- Average humidity in January: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Jeisyville, IL
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is April (0.94").
The driest months (with the least rainfall) are September and December (0.39").
Average rainfall days in January
Jeisyville, IL
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is May (11.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in January
Jeisyville, IL
- Average snowfall in January: 0.35"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Jeisyville, IL
- Average snowfall days in January: 5.9 days
The month with the highest number of snowfall days is January (5.9 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
Jeisyville, IL
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Jeisyville, IL
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is November (22.6 days).
The months with the least sunshine days are May and June (16.5 days).
Average UV index in January
Jeisyville, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Jeisyville, IL
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in January
Jeisyville, 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).
Jeisyville, Illinois, USA
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