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 transition into December involves a decrease in the average high-temperature, falling from a chilly 49.3°F (9.6°C) in November to a cold 38.1°F (3.4°C). An average low-temperature of 27.5°F (-2.5°C) is recorded during the nights in December in Maroa, Illinois.Humidity
In Maroa, the average relative humidity in December is 79%.Rainfall
The month with the least rainfall in Maroa is December, when the rain falls for 8.1 days and typically collects 1.06" (27mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Maroa. In Maroa, in December, during 7.1 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, in Maroa, Illinois, there are 30.3 snowfall days, and 6.89" (175mm) of snow is accumulated.Daylight
The month with the shortest days in Maroa is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:31 pm. On the last day of December, in Maroa, sunrise is at 7:17 am and sunset at 4:40 pm CST.
Sunshine
In Maroa, the average sunshine in December is 4.4h.UV index
The months with the lowest UV index in Maroa are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Maroa?
What is the average humidity in December in Maroa?
What is the driest month in Maroa?
How many days does it rain in December in Maroa?
How many days does it snow in December in Maroa?
What is the month with the shortest days in Maroa?
What is the average length of the day in December in Maroa?
What time are sunrise and sunset in December in Maroa?
How long on average sun shines in December in Maroa?
What is the month with the lowest UV index in Maroa?
What is the UV index reading in December in Maroa?
Average temperature in December
Maroa, IL
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 27.5°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 (20.1°F).
Average pressure in December
Maroa, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Maroa, IL
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are January, February and April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Maroa, IL
- Average humidity in December: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Maroa, IL
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in December
Maroa, IL
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
Maroa, IL
- Average snowfall in December: 1.14"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Maroa, IL
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Maroa, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Maroa, IL
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Maroa, 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
Maroa, IL
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Maroa, 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).
Maroa, Illinois, USA
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