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
The arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 49.6°F (9.8°C) to a wintry 38.3°F (3.5°C). In the month of December, the average low-temperature usually rests at a subzero cold 26.6°F (-3°C).Humidity
In December, the average relative humidity is 78%.Rainfall
December is the month with the least rainfall. Rain falls for 7.4 days and accumulates 1.46" (37mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 5.5 days. Throughout December, 1.42" (36mm) of snow is accumulated. Throughout the year, there are 27.8 snowfall days, and 11.54" (293mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:06 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:47 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Wayland have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Wayland, IL
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Wayland, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Wayland, IL
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in December
Wayland, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Wayland, IL
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in December
Wayland, IL
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
Wayland, IL
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wayland, IL
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (8.3 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
Wayland, 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 24min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Wayland, IL
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Wayland, 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
Wayland, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in December
Wayland, 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).
Wayland, Illinois, USA
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