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
A subtle decrease in the average high-temperature marks December, falling from November's cool 51.1°F (10.6°C) to a wintry 40.3°F (4.6°C). An average nighttime temperature of 29.1°F (-1.6°C) is observed in Shumway during December.Humidity
In December, the average relative humidity in Shumway, Illinois, is 79%.Rainfall
In December, the rain falls for 8.6 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 135.9 rainfall days, and 21.89" (556mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Shumway. In Shumway, in December, during 3.5 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 17.7 snowfall days, and 4.17" (106mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:32 pm. On the last day of December, in Shumway, sunrise is at 7:13 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December in Shumway is 4.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
Is December cold in Shumway?
What is the average humidity in December in Shumway?
How many days does it rain in December in Shumway?
How much does it snow in Shumway in December?
What is the month with the shortest days in Shumway?
How many hours of daylight does Shumway have in December?
When is the sunrise / sunset in December in Shumway?
How many hours of sunshine does Shumway have in December?
What is the month with the lowest UV index in Shumway?
What is the UV index reading in December in Shumway?
Average temperature in December
Shumway, IL
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Shumway, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Shumway, IL
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Shumway, IL
- Average humidity in December: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Shumway, IL
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Shumway, IL
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Shumway, IL
- Average snowfall in December: 1.14"
The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Shumway, IL
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Shumway, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Shumway, IL
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in December
Shumway, 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
Shumway, IL
- Average cloud cover in December: 51
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in December
Shumway, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Shumway, Illinois, USA
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