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
December brings a minor decrease, with the average high-temperature reducing from a frosty 46.2°F (7.9°C) in November to a cold 34°F (1.1°C). In Fenton, the average low-temperature during the month of December is a subzero cold 23.5°F (-4.7°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Fenton, Illinois, in December, it is raining for 7.4 days, with typically 1.42" (36mm) of accumulated precipitation. In Fenton, during the entire year, the rain falls for 145.7 days and collects up to 27.91" (709mm) of precipitation.Snowfall
Months with snowfall in Fenton are January through April, October through December. In Fenton, Illinois, during December, snow falls for 7.8 days and regularly aggregates up to 2.17" (55mm) of snow. Throughout the year, there are 37.9 snowfall days, and 13.98" (355mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Fenton, sunrise is at 7:08 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:39 pm CST.
Sunshine
In Fenton, the average sunshine in December is 4.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Fenton?
What is the average humidity in December in Fenton?
How much does it rain in Fenton in December?
How many days does it snow in December in Fenton?
What is the month with the shortest days in Fenton?
How many hours of daylight does Fenton have in December?
What time are sunrise and sunset in December in Fenton?
How long on average sun shines in December in Fenton?
What are the months with the lowest UV index in Fenton?
What is the UV index reading in December in Fenton?
Average temperature in December
Fenton, IL
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 23.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in December
Fenton, IL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Fenton, IL
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Fenton, IL
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Fenton, IL
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Fenton, IL
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Fenton, IL
- Average snowfall in December: 2.17"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Fenton, IL
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (11.3 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
Fenton, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Fenton, IL
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Fenton, IL
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Fenton, IL
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Fenton, IL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Fenton, Illinois, USA
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