December weather forecastWest Liberty, IA
December
Weather in December
The first month of the winter, December, is also a wintry month in West Liberty, Iowa, with an average temperature varying between 34°F (1.1°C) and 23°F (-5°C).Temperature
In December, the average high-temperature decreases from a frosty 46.4°F (8°C) in November to a cold 34°F (1.1°C). West Liberty observes an average nighttime temperature of 23°F (-5°C) during December.Humidity
The average relative humidity in December is 81%.Rainfall
In West Liberty, in December, it is raining for 3.8 days, with typically 0.31" (8mm) of accumulated precipitation. Throughout the year, there are 92.5 rainfall days, and 7.68" (195mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In West Liberty, Iowa, in December, snow falls for 4.3 days, with typically accumulated 0.16" (4mm) of snow. Throughout the year, in West Liberty, there are 22.5 snowfall days, and 3.11" (79mm) 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 the month, sunrise is at 7:12 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:45 pm CST.
Sunshine
The average sunshine in December is 4.5h.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 low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Liberty, IA
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 23°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 (15.4°F).
Average pressure in December
West 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
West Liberty, IA
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
West Liberty, IA
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
West Liberty, IA
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is February (0.28").
Average rainfall days in December
West Liberty, IA
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is June (13.2 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in December
West Liberty, IA
- Average snowfall in December: 0.16"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
West Liberty, IA
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is January (6.4 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
West Liberty, IA
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
West Liberty, IA
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is December (24.4 days).
The month with the least sunshine days is June (14.8 days).
Average UV index in December
West Liberty, IA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
West Liberty, IA
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
West 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).
