December weather forecastDavenport, IA
December
Weather in December
December brings in the full swing of Winter, with colder temperatures, increased snowfall and higher humidity. The number of daylight hours dwindles to 9.2, the year's lowest, making for shorter days and longer, colder nights. The city's snowfall is second highest only to January, providing a white blanket just in time for the holidays. Despite the chilling temperatures and frosty weather, Davenport's winter charm is a sight to behold. The muffled silence of a snowy city coupled with beautifully lit holiday decorations create an ambiance of serenity and warmth in Davenport.Temperature
December's onset corresponds with a shift in the average high-temperature, moving from a chilly 46.8°F (8.2°C) in November to a cold 34.3°F (1.3°C). The nights of December in Davenport anticipate an average low-temperature of 23.7°F (-4.6°C).Humidity
In Davenport, the average relative humidity in December is 81%.Rainfall
In Davenport, in December, during 6.9 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 138.1 rainfall days, and 27.32" (694mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Davenport, in December, snow falls for 6.9 days, with typically accumulated 1.89" (48mm) of snow. Throughout the year, there are 35.5 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 in Davenport, sunrise is at 7:10 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:42 pm CST.
Sunshine
In December, the average sunshine is 4.2h.UV index
In Davenport, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Davenport, IA
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 23.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Davenport, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Davenport, IA
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Davenport, 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 (71%).
Average rainfall in December
Davenport, IA
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in December
Davenport, IA
- Average rainfall days in December: 6.9 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
Davenport, IA
- Average snowfall in December: 1.89"
The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Davenport, IA
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (10.9 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
Davenport, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Davenport, IA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in December
Davenport, IA
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Davenport, IA
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Davenport, 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).
