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 November transitions into December, Peoria Heights sees a drop in the average high-temperature, transitioning from a frosty 48.4°F (9.1°C) to a wintry 36.5°F (2.5°C). Peoria Heights experiences a nighttime temperature average of 26.1°F (-3.3°C) during December.Humidity
In December, the average relative humidity is 80%.Rainfall
In Peoria Heights, in December, it is raining for 6.2 days, with typically 0.87" (22mm) of accumulated precipitation. In Peoria Heights, during the entire year, the rain falls for 129.2 days and collects up to 17.24" (438mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Peoria Heights. In December, it is snowing for 5.9 days. Throughout December, 1.18" (30mm) of snow is accumulated. In Peoria Heights, Illinois, during the entire year, snow falls for 26.7 days and aggregates up to 7.09" (180mm) of snow.Daylight
December has the shortest days of the year in Peoria Heights, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:31 pm. On the last day of December, in Peoria Heights, sunrise is at 7:22 am and sunset at 4:40 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 in Peoria Heights. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is December in Peoria Heights?
What is the average humidity in December in Peoria Heights?
How many days does it rain in December in Peoria Heights?
How many days does it snow in December in Peoria Heights?
What is the month with the shortest days in Peoria Heights?
What is the average length of the day in December in Peoria Heights?
When is the sunrise / sunset in December in Peoria Heights?
How long on average sun shines in December in Peoria Heights?
What is the month with the lowest UV index in Peoria Heights?
How high is the UV index in December in Peoria Heights?
Average temperature in December
Peoria Heights, 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
Peoria Heights, 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
Peoria Heights, 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
Peoria Heights, 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
Peoria Heights, 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
Peoria Heights, 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
Peoria Heights, 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
Peoria Heights, 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
Peoria Heights, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Peoria Heights, 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
Peoria Heights, 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
Peoria Heights, 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
Peoria Heights, 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).
Peoria Heights, Illinois, USA
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