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 commencement of December indicates a shift in the average high-temperature, receding from November's chilly 45.5°F (7.5°C) to a wintry 34°F (1.1°C). During the December nights, an average temperature of 23.5°F (-4.7°C) is observed.Humidity
In Amboy, the average relative humidity in December is 83%.Rainfall
In December, the rain falls for 5.9 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. Throughout the year, in Amboy, there are 129.4 rainfall days, and 16.65" (423mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Amboy. In Amboy, during December, snow falls for 8 days and regularly aggregates up to 1.1" (28mm) of snow. Throughout the year, there are 36.1 snowfall days, and 6.97" (177mm) of snow is accumulated.Daylight
The month with the shortest days in Amboy, Illinois, is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:36 pm CST.
Sunshine
In Amboy, Illinois, the average sunshine in December is 4.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Amboy. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 1 in December transforms into this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Amboy?
What is the average humidity in December in Amboy?
How many days does it rain in December in Amboy?
How many days does it snow in December in Amboy?
What is the month with the shortest days in Amboy?
What is the average length of the day in December in Amboy?
When is the sunrise / sunset in December in Amboy?
How many hours of sunshine does Amboy have in December?
What are the months with the lowest UV index in Amboy?
What is the UV index intensity in December in Amboy?
Average temperature in December
Amboy, 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 (27.5°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 (15.1°F).
Average pressure in December
Amboy, IL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Amboy, IL
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Amboy, IL
- Average humidity in December: 83%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Amboy, IL
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Amboy, IL
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Amboy, IL
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Amboy, IL
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (10.4 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
Amboy, 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 months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Amboy, IL
- Average sunshine days in December: 18.8 days
The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in December
Amboy, IL
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Amboy, IL
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Amboy, 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).
Amboy, Illinois, USA
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