December weather forecastAvoca, IA
December
Weather in December
The first month of the winter, December, is also an icy month in Avoca, Iowa, with an average temperature varying between 21.4°F (-5.9°C) and 33.4°F (0.8°C).Temperature
As November transitions to December, the average high-temperature falls from a frosty 47.3°F (8.5°C) to an icy 33.4°F (0.8°C). The average temperature in Avoca drops to a subzero cold 21.4°F (-5.9°C) during the night in the month of December.Humidity
In December, the average relative humidity in Avoca is 79%.Rainfall
In December, the rain falls for 5.2 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. Throughout the year, in Avoca, there are 127.7 rainfall days, and 26.57" (675mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Avoca, in December, snow falls for 8.5 days, with typically accumulated 2.72" (69mm) of snow. Throughout the year, there are 35.8 snowfall days, and 13.82" (351mm) of snow is accumulated.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 Avoca, sunrise is at 7:28 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:01 pm CST.
Sunshine
In Avoca, the average sunshine in December is 4.9h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Avoca. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Avoca, IA
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 21.4°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 (15.4°F).
Average pressure in December
Avoca, 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 (29.87"Hg).
Average wind speed in December
Avoca, IA
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Avoca, IA
- Average humidity in December: 79%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Avoca, IA
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Avoca, IA
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
Avoca, IA
- Average snowfall in December: 2.72"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Avoca, IA
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Avoca, 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 54min
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 36min).
Average sunshine days in December
Avoca, IA
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Avoca, 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, October, November and December (UV index 2).
Average cloud cover in December
Avoca, IA
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Avoca, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
