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, with the temperature often reaching an average high of 25.2°F (-3.8°C) and an average low of 12.7°F (-10.7°C).Humidity
January is the most humid month in Stockton, Illinois, with an average relative humidity of 87%.Rainfall
January and February are months with the least rain in Stockton, Illinois, when the rain falls for 4.8 days and typically aggregates up to 1.26" (32mm) of rain.Snowfall
Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 12.5 days and accumulates 4.84" (123mm) of snow.Daylight
In January, the average length of the day in Stockton, Illinois, is 9h and 30min.On the first day of the month, sunrise is at 7:29 am and sunset at 4:37 pm. On the last day of January, in Stockton, sunrise is at 7:14 am and sunset at 5:12 pm CST.
Sunshine
January has the least sunshine of the year in Stockton, with an average of 3.6h 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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 1 in January suggests the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. When the Sun is at its strongest around midday, find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the coldest time of year in Stockton?
How cold is January in Stockton?
What is the most humid month in Stockton?
What is the average humidity in January in Stockton?
What is the driest month in Stockton?
How many days does it rain in January in Stockton?
When does it snow the most in Stockton?
How many days does it snow in January in Stockton?
What is the average length of the day in January in Stockton?
When is the sunrise / sunset in January in Stockton?
What is the month with the least sunshine in Stockton?
How long on average sun shines in January in Stockton?
What are the months with the lowest UV index in Stockton?
How high is the UV index in January in Stockton?
Average temperature in January
Stockton, IL
- Average high temperature in January: 25.2°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in January: 12.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in January
Stockton, 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 (29.91"Hg).
Average wind speed in January
Stockton, IL
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Stockton, IL
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Stockton, IL
- Average rainfall in January: 1.26"
The wettest months (with the highest rainfall) are May and June (3.66").
The driest months (with the least rainfall) are January and February (1.26").
Average rainfall days in January
Stockton, IL
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in January
Stockton, IL
- Average snowfall in January: 4.84"
The month with the highest snowfall is January (4.84").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Stockton, IL
- Average snowfall days in January: 12.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Stockton, IL
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 3h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Stockton, IL
- Average sunshine days in January: 15.6 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in January
Stockton, IL
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Stockton, IL
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in January
Stockton, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Stockton, Illinois, USA
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