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
December signals a significant shift in the average high-temperature, falling from November's chilly 48.9°F (9.4°C) to a cold 34.3°F (1.3°C). During the month of December, an average low-temperature of 21.9°F (-5.6°C) is recorded.Humidity
In December, the average relative humidity is 77%.Rainfall
In Council Bluffs, in December, during 4.9 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Council Bluffs, during the entire year, the rain falls for 122.5 days and collects up to 22.52" (572mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Council Bluffs, during December, snow falls for 6.9 days and regularly aggregates up to 2.05" (52mm) of snow. Throughout the year, there are 31.6 snowfall days, and 9.65" (245mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:30 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:04 pm CST.
Sunshine
The average sunshine in December is 5h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during December translates into the following guidance:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. To protect against the Sun's most potent rays, avoid direct exposure around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Council Bluffs have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Council Bluffs, IA
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 21.9°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 (16.3°F).
Average pressure in December
Council Bluffs, 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 (29.86"Hg).
Average wind speed in December
Council Bluffs, IA
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Council Bluffs, IA
- Average humidity in December: 77%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Council Bluffs, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Council Bluffs, IA
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Council Bluffs, IA
- Average snowfall in December: 2.05"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Council Bluffs, IA
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Council Bluffs, IA
- Average daylight in December: 9h and 2min
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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Council Bluffs, IA
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Council Bluffs, IA
- 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, October, November and December (UV index 2).
Average cloud cover in December
Council Bluffs, IA
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Council Bluffs, 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).
Council Bluffs, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location