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
During Colfax's transition into December, the average high-temperature lessens, moving from a chilly 47.7°F (8.7°C) in November to an icy 36.5°F (2.5°C). The low-temperature in Colfax averages to a freezing cold 26.1°F (-3.3°C) during the nights of December.Humidity
In Colfax, the average relative humidity in December is 80%.Rainfall
In December, in Colfax, the rain falls for 6.3 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 129.6 rainfall days, and 16.73" (425mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, in Colfax, it is snowing for 5.8 days. Throughout December, 1.06" (27mm) of snow is accumulated. Throughout the year, there are 28.1 snowfall days, and 7.6" (193mm) of snow is accumulated.Daylight
The month with the shortest days in Colfax, Illinois, is December, with an average of 9h and 18min of daylight.On the first day of December in Colfax, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:37 pm CST.
Sunshine
In Colfax, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates 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. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
How cold is it in Colfax in December?
What is the average humidity in December in Colfax?
How much does it rain in Colfax in December?
How many days does it snow in December in Colfax?
What is the month with the shortest days in Colfax?
How many hours of daylight does Colfax have in December?
When is the sunrise / sunset in December in Colfax?
How many hours of sunshine does Colfax have in December?
When is the lowest UV index in Colfax?
What is the UV index intensity in December in Colfax?
Average temperature in December
Colfax, IL
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Colfax, IL
- Average pressure in December: 30.11"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
Colfax, IL
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Colfax, IL
- Average humidity in December: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Colfax, IL
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in December
Colfax, IL
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Colfax, IL
- Average snowfall in December: 1.06"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Colfax, IL
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (9.9 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
Colfax, 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 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Colfax, IL
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Colfax, 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
Colfax, IL
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Colfax, 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).
Colfax, Illinois, USA
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