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
In Ridge Farm, the average high-temperature in December drops from a chilly 49.8°F (9.9°C) in November to a wintry 39°F (3.9°C). Ridge Farm reports an average nighttime low-temperature of 28.4°F (-2°C) in December.Humidity
In December, the average relative humidity is 81%.Rainfall
In Ridge Farm, in December, during 8.1 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Ridge Farm, during the entire year, the rain falls for 146.1 days and collects up to 21.02" (534mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall is December, when snow falls for 7 days and typically aggregates up to 1.69" (43mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Ridge Farm.On the first day of December in Ridge Farm, sunrise is at 6:53 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:35 pm CST.
Sunshine
In December, the average sunshine 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 Ridge Farm. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, an average UV index of 2 transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
How cold is it in Ridge Farm in December?
What is the average humidity in December in Ridge Farm?
How much does it rain in Ridge Farm in December?
When does it snow the most in Ridge Farm?
How much does it snow in Ridge Farm in December?
What is the month with the shortest days in Ridge Farm?
How many hours of daylight does Ridge Farm have in December?
When is the sunrise / sunset in December in Ridge Farm?
How many hours of sunshine does Ridge Farm have in December?
What is the month with the lowest UV index in Ridge Farm?
What is the UV index reading in December in Ridge Farm?
Average temperature in December
Ridge Farm, IL
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Ridge Farm, 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 (29.93"Hg).
Average wind speed in December
Ridge Farm, IL
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Ridge Farm, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Ridge Farm, IL
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days in December
Ridge Farm, IL
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Ridge Farm, IL
- Average snowfall in December: 1.69"
The month with the highest snowfall is December (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Ridge Farm, IL
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Ridge Farm, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Ridge Farm, IL
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Ridge Farm, 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
Ridge Farm, IL
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June, August and September (Cloud cover 31).
Average visibility in December
Ridge Farm, 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).
Ridge Farm, Illinois, USA
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