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 month of January sees the lowest average temperatures, reaching 30.7°F (-0.7°C) at the peak and 18.9°F (-7.3°C) at the low.Humidity
The average relative humidity in January is 82%.Rainfall
January and February are months with the least rain in Sheldon when the rain falls for 4.9 days and typically aggregates up to 0.79" (20mm) of rain.Snowfall
January through April, November and December are months with snowfall in Sheldon. January is the month with the most snowfall in Sheldon. Snow falls for 10.3 days and accumulates 2.05" (52mm) of snow.Daylight
In Sheldon, the average length of the day in January is 9h and 39min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:33 pm. On the last day of January, sunrise is at 7:01 am and sunset at 5:05 pm CST.
Sunshine
With an average of 3.7h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Sheldon are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 1 in January transforms into this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To guard against the harmful effects of the Sun, minimize exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the coldest time of year in Sheldon?
How cold is January in Sheldon?
What is the average humidity in January in Sheldon?
What is the driest month in Sheldon?
How many days does it rain in January in Sheldon?
When does it snow the most in Sheldon?
How many days does it snow in January in Sheldon?
How many hours of daylight does Sheldon have in January?
What time are sunrise and sunset in January in Sheldon?
What is the month with the least sunshine in Sheldon?
How long on average sun shines in January in Sheldon?
What are the months with the lowest UV index in Sheldon?
How high is the UV index in January in Sheldon?
Average temperature in January
Sheldon, IL
- Average high temperature in January: 30.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Sheldon, 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 (29.93"Hg).
Average wind speed in January
Sheldon, IL
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Sheldon, IL
- Average humidity in January: 82%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Sheldon, IL
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is May (2.64").
The driest months (with the least rainfall) are January and February (0.79").
Average rainfall days in January
Sheldon, IL
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in January
Sheldon, IL
- Average snowfall in January: 2.05"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Sheldon, IL
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 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
Sheldon, 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 18min).
- Average sunshine in January: 3h and 4min
The months with the most sunshine are June and July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Sheldon, IL
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in January
Sheldon, 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
Sheldon, IL
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in January
Sheldon, 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).
Sheldon, Illinois, USA
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