December weather forecastCarbon, IA
December
Weather in December
December, the first month of the winter in Carbon, is also an icy month, with temperature in the range of an average high of 34.3°F (1.3°C) and an average low of 22.1°F (-5.5°C).Temperature
December comes with a decrease in the average high-temperature, falling from a chilly 47.5°F (8.6°C) in November to a wintry 34.3°F (1.3°C). The low-temperature average for Carbon during December stands at a subzero cold 22.1°F (-5.5°C).Humidity
The average relative humidity in December in Carbon is 79%.Rainfall
In December, the rain falls for 4.7 days. Throughout December, 0.63" (16mm) of precipitation is accumulated. In Carbon, during the entire year, the rain falls for 115.1 days and collects up to 19.21" (488mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Carbon, Iowa. In Carbon, during December, snow falls for 5.3 days and regularly aggregates up to 1.22" (31mm) of snow. In Carbon, during the entire year, snow falls for 27.6 days and aggregates up to 8.15" (207mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:25 am and sunset at 4:51 pm. On the last day of December, in Carbon, sunrise is at 7:44 am and sunset at 5:01 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Carbon, IA
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in December
Carbon, IA
- 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 (29.88"Hg).
Average wind speed in December
Carbon, IA
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Carbon, IA
- Average humidity in December: 79%
The months with the highest relative humidity are January and June (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Carbon, IA
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Carbon, IA
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Carbon, IA
- Average snowfall in December: 1.22"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Carbon, IA
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Carbon, IA
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Carbon, IA
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Carbon, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Carbon, IA
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in December
Carbon, IA
- 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).
