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
With the onset of December, Little Sioux's average high-temperature witnesses a clear drop, receding from November's chilly 47.5°F (8.6°C) to an icy 32.9°F (0.5°C). Little Sioux records a mean low-temperature of 21°F (-6.1°C) in December.Humidity
In December, the average relative humidity is 79%.Rainfall
In Little Sioux, in December, during 4.6 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, in Little Sioux, there are 125.1 rainfall days, and 22.64" (575mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Little Sioux. In Little Sioux, during December, snow falls for 6.8 days and regularly aggregates up to 2.17" (55mm) of snow. Throughout the year, there are 32.8 snowfall days, and 11.97" (304mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:32 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:51 am and sunset at 5:03 pm CST.
Sunshine
In December, the average sunshine in Little Sioux, Iowa, is 5h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Little Sioux?
What is the average humidity in December in Little Sioux?
How many days does it rain in December in Little Sioux?
How much does it snow in Little Sioux in December?
What is the month with the shortest days in Little Sioux?
How many hours of daylight does Little Sioux have in December?
When is the sunrise / sunset in December in Little Sioux?
How many hours of sunshine does Little Sioux have in December?
When is the lowest UV index in Little Sioux?
How high is the UV index in December in Little Sioux?
Average temperature in December
Little Sioux, IA
- Average high temperature in December: 32.9°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 (28.8°F).
- Average low temperature in December: 21°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 (15.3°F).
Average pressure in December
Little Sioux, 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
Little Sioux, IA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in December
Little Sioux, IA
- Average humidity in December: 79%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Little Sioux, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Little Sioux, IA
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Little Sioux, IA
- Average snowfall in December: 2.17"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Little Sioux, IA
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Little Sioux, IA
- 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Little Sioux, IA
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Little Sioux, 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, November and December (UV index 2).
Average cloud cover in December
Little Sioux, IA
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Little Sioux, 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).
Little Sioux, Iowa, USA
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