December weather forecastUrbandale, IA
December
Weather in December
December in Urbandale embraces winter in all its icy glory. White Christmas is often a reality, making it a festive month to be in the city. Notably cold, prevalent freezing temperatures, with maximum averages at 33.8°F (1°C), call for appropriate winter gear. The overall scenery of the city transforms into a wintry wonderland garlanded with sparkling lights. While the frosty weather is an excuse for indoor gatherings, the city remains stunning beneath a blanket of snow.Temperature
With December's arrival, Urbandale sees a decrease in average high-temperatures, moving from a frosty 46.9°F (8.3°C) in November to a cold 33.8°F (1°C). December nights are marked by an average low-temperature of 22.1°F (-5.5°C).Humidity
The average relative humidity in December in Urbandale is 79%.Rainfall
In Urbandale, in December, during 3.8 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Urbandale, during the entire year, the rain falls for 114.6 days and collects up to 15.51" (394mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Urbandale, Iowa. In Urbandale, in December, snow falls for 5.5 days, with typically accumulated 0.83" (21mm) of snow. In Urbandale, during the entire year, snow falls for 29.6 days and aggregates up to 6.77" (172mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Urbandale, sunrise is at 7:22 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:54 pm CST.
Sunshine
In Urbandale, Iowa, the average sunshine in December is 4.8h.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Urbandale, IA
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Urbandale, IA
- Average pressure in December: 30.12"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
Urbandale, IA
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Urbandale, IA
- Average humidity in December: 79%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Urbandale, IA
- Average rainfall in December: 0.55"
The wettest months (with the highest rainfall) are May and June (2.52").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Urbandale, IA
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Urbandale, IA
- Average snowfall in December: 0.83"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Urbandale, IA
- Average snowfall days in December: 5.5 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
Urbandale, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Urbandale, IA
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is December (22.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in December
Urbandale, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Urbandale, IA
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in December
Urbandale, 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).





