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 is the coldest month, exhibiting average temperatures of 34.7°F (1.5°C) at the peak and 22.6°F (-5.2°C) at the base.Humidity
The average relative humidity in January is 78%.Rainfall
In Witt, in January, it is raining for 7.9 days, with typically 1.73" (44mm) of accumulated precipitation. In Witt, during the entire year, the rain falls for 145.5 days and collects up to 27.44" (697mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Witt, in January, during 7.4 snowfall days, 2.13" (54mm) of snow is typically accumulated. Throughout the year, there are 23.9 snowfall days, and 8.58" (218mm) of snow is accumulated.Daylight
In Witt, the average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:05 am and sunset at 5:16 pm CST.
Sunshine
With an average of 4.4h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in January transforms into this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What is the average humidity in January?
How much does it rain in Witt in January?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January in Witt?
What is the month with the least sunshine?
How many hours of sunshine does Witt have in January?
What is the month with the lowest UV index?
How high is the UV index in January in Witt?
Average temperature in January
Witt, IL
- Average high temperature in January: 34.7°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in January: 22.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in January
Witt, 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
Witt, IL
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in January
Witt, IL
- Average humidity in January: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Witt, IL
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in January
Witt, IL
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in January
Witt, IL
- Average snowfall in January: 2.13"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Witt, IL
- Average snowfall days in January: 7.4 days
The month with the highest number of snowfall days is January (7.4 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
Witt, 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 30min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in January
Witt, IL
- Average sunshine days in January: 17.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in January
Witt, 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
Witt, IL
- Average cloud cover in January: 53
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July and September (Cloud cover 29).
Average visibility in January
Witt, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Witt, Illinois, USA
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