December weather forecastEast Peoria, IL
December
Weather in December
December, the first month of the winter in East Peoria, is also an icy month, with an average temperature fluctuating between 26.1°F (-3.3°C) and 36.5°F (2.5°C).Temperature
The onset of December results in a decrease in the average high-temperature, receding from a frosty 48.4°F (9.1°C) in November to an icy 36.5°F (2.5°C). An average low-temperature of 26.1°F (-3.3°C) is noted during the nights in December.Humidity
In December, the average relative humidity in East Peoria is 80%.Rainfall
In East Peoria, Illinois, in December, it is raining for 6.2 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, in East Peoria, there are 129.2 rainfall days, and 17.24" (438mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In East Peoria, during December, snow falls for 5.9 days and regularly aggregates up to 1.18" (30mm) of snow. Throughout the year, there are 26.7 snowfall days, and 7.09" (180mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December is 4.4h.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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
East Peoria, IL
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
East Peoria, 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
East Peoria, IL
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
East Peoria, IL
- Average humidity in December: 80%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
East Peoria, IL
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
East Peoria, IL
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
East Peoria, IL
- Average snowfall in December: 1.18"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
East Peoria, IL
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (9 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
East Peoria, IL
- Average daylight in December: 9h and 18min
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 24min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
East Peoria, IL
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
East Peoria, 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
East Peoria, IL
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
East Peoria, 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).
