Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With December's onset, the average high-temperature recedes from November's chilly 44.1°F (6.7°C) to a freezing cold 31.6°F (-0.2°C). Stockton, in December, experiences an average temperature of 21.4°F (-5.9°C) at night.Humidity
The average relative humidity in December in Stockton, Illinois, is 83%.Rainfall
In December, in Stockton, the rain falls for 7.4 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 142 rainfall days, and 27.95" (710mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Stockton, during December, snow falls for 9.4 days and regularly aggregates up to 2.64" (67mm) of snow. In Stockton, Illinois, during the entire year, snow falls for 45.3 days and aggregates up to 15.75" (400mm) of snow.Daylight
December has the shortest days of the year in Stockton, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:37 pm CST.
Sunshine
In December, the average sunshine in Stockton is 4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is December in Stockton?
What is the average humidity in December in Stockton?
How much does it rain in Stockton in December?
How many days does it snow in December in Stockton?
What is the month with the shortest days in Stockton?
What is the average length of the day in December in Stockton?
What time are sunrise and sunset in December in Stockton?
How many hours of sunshine does Stockton have in December?
What are the months with the lowest UV index in Stockton?
How high is the UV index in December in Stockton?
Average temperature in December
Stockton, IL
- Average high temperature in December: 31.6°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 December: 21.4°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 December
Stockton, IL
- Average pressure in December: 30.1"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 December
Stockton, IL
- Average wind speed in December: 9.5mph
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 December
Stockton, IL
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Stockton, IL
- Average rainfall in December: 1.46"
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 December
Stockton, IL
- Average rainfall days in December: 7.4 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 December
Stockton, IL
- Average snowfall in December: 2.64"
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 December
Stockton, IL
- Average snowfall days in December: 9.4 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 December /
Average sunshine in December
Stockton, IL
- Average daylight in December: 9h and 1min
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 December: 4h and 0min
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 December
Stockton, IL
- Average sunshine days in December: 16.6 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 December
Stockton, IL
- Average UV index in December: 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 December
Stockton, IL
- Average cloud cover in December: 59
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 December
Stockton, IL
- Average visibility in December: 6mi
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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