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 tends to be the coldest month, with temperatures averaging a daily high of 30.7°F (-0.7°C) and a low of 18.9°F (-7.3°C).Humidity
In January, the average relative humidity is 82%.Rainfall
The months with the least rainfall are January and February Rain falls for 4.9 days and accumulates 0.79" (20mm) of rain.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 10.3 days and typically aggregates up to 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
The month with the least sunshine is January, with an average of 3.7h of sunshine.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 exposure to the Sun's UV radiation for the average person.Note: In January, the maximum UV index of 1 translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Sheldon?
How cold is it in January?
What is the average humidity in January?
What is the driest month?
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 Sheldon have in January?
What time are sunrise and 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 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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