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
Onset of December witnesses a reduction in the average high-temperature, falling from a fresh 51.3°F (10.7°C) in November to an icy 41.2°F (5.1°C). During December, Newton sees a mean low-temperature of 29.7°F (-1.3°C).Humidity
In Newton, the average relative humidity in December is 79%.Rainfall
In Newton, in December, it is raining for 10.6 days, with typically 2.52" (64mm) of accumulated precipitation. In Newton, Illinois, during the entire year, the rain falls for 158.3 days and collects up to 35.12" (892mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Newton. In Newton, in December, snow falls for 3.8 days, with typically accumulated 1.18" (30mm) of snow. Throughout the year, there are 20.7 snowfall days, and 7.13" (181mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December in Newton, Illinois, sunrise is at 6:53 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:40 pm CST.
Sunshine
In Newton, the average sunshine in December is 4.5h.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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 2 in December transforms into this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Newton in December?
What is the average humidity in December in Newton?
How much does it rain in Newton in December?
How much does it snow in Newton in December?
What is the month with the shortest days in Newton?
How many hours of daylight does Newton have in December?
What time are sunrise and sunset in December in Newton?
How long on average sun shines in December in Newton?
What are the months with the lowest UV index in Newton?
What is the UV index intensity in December in Newton?
Average temperature in December
Newton, IL
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Newton, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Newton, IL
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Newton, IL
- Average humidity in December: 79%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Newton, IL
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Newton, IL
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and February (9.3 days).
Average snowfall in December
Newton, IL
- Average snowfall in December: 1.18"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Newton, IL
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.3 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
Newton, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Newton, IL
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in December
Newton, 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
Newton, IL
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Newton, 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).
Newton, Illinois, USA
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