December weather forecastNew Liberty, IA
December
Weather in December
The first month of the winter, December, is also an icy month in New Liberty, Iowa, with an average temperature varying between 23.2°F (-4.9°C) and 34°F (1.1°C).Temperature
New Liberty's progression into December involves a drop in the average high-temperature, receding from a chilly 46.4°F (8°C) in November to a wintry 34°F (1.1°C). New Liberty encounters an average low-temperature of 23.2°F (-4.9°C) during December nights.Humidity
In December, the average relative humidity is 81%.Rainfall
In New Liberty, during December, the rain falls for 7.2 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in New Liberty, there are 136.9 rainfall days, and 27.95" (710mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In New Liberty, during December, snow falls for 6.8 days and regularly aggregates up to 1.65" (42mm) of snow. Throughout the year, in New Liberty, Iowa, there are 35.1 snowfall days, and 12.8" (325mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:11 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:43 pm CST.
Sunshine
In New Liberty, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
New Liberty, IA
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in December: 23.2°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 (15.3°F).
Average pressure in December
New Liberty, IA
- 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 (29.9"Hg).
Average wind speed in December
New Liberty, IA
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
New Liberty, IA
- Average humidity in December: 81%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
New Liberty, IA
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in December
New Liberty, IA
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
New Liberty, IA
- Average snowfall in December: 1.65"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
New Liberty, IA
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (11.3 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
New Liberty, IA
- Average daylight in December: 9h and 12min
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: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
New Liberty, IA
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is December (18.4 days).
The months with the least sunshine days are May and June (11.4 days).
Average UV index in December
New Liberty, IA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
New Liberty, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
New Liberty, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





