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
As December arrives, Stanford's weather displays a decrease in high-temperatures, transitioning from November's chilly 48.2°F (9°C) to a wintry 36.5°F (2.5°C). In December, Stanford reports a consistent average low-temperature of 26.4°F (-3.1°C) during the nights.Humidity
In December, the average relative humidity in Stanford is 80%.Rainfall
The month with the least rainfall is December, when the rain falls for 4.7 days and typically collects 0.43" (11mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Stanford, during December, snow falls for 4.5 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, in Stanford, there are 21.1 snowfall days, and 3.03" (77mm) of snow is accumulated.Daylight
December has the shortest days of the year in Stanford, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:30 pm. On the last day of December, in Stanford, sunrise is at 7:19 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine in Stanford is 4.4h.UV index
The months with the lowest UV index in Stanford are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 during December leads to these advisories:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Stanford?
What is the average humidity in December in Stanford?
What is the driest month in Stanford?
How much does it rain in Stanford in December?
How many days does it snow in December in Stanford?
What is the month with the shortest days in Stanford?
How many hours of daylight does Stanford have in December?
What time are sunrise and sunset in December in Stanford?
How long on average sun shines in December in Stanford?
What are the months with the lowest UV index in Stanford?
What is the UV index intensity in December in Stanford?
Average temperature in December
Stanford, IL
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Stanford, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Stanford, IL
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Stanford, IL
- Average humidity in December: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Stanford, IL
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in December
Stanford, IL
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in December
Stanford, IL
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Stanford, IL
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stanford, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Stanford, IL
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is May (14.7 days).
Average UV index in December
Stanford, IL
- Average UV index in December: 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 December
Stanford, IL
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in December
Stanford, IL
- Average visibility in December: 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).
Stanford, Illinois, USA
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