December weather forecastVinton, IA
December
Weather in December
December in Vinton is characterized by a festive weather pattern, as the city is plunged into winter's depths. The temperatures fall drastically, swiftly switching the vibrant autumn foliage to a blanket of snow. The majority of the days are short and cold, perfect to enjoy a white Christmas. The city's weather chart registers low to high temperatures of 21.6°F (-5.8°C) to 32.2°F (0.1°C). With the arrival of winter's peak, it successfully concludes the city's yearly weather cycle.Temperature
December's onset in Vinton, Iowa, brings a slight change in high-temperatures, falling from a chilly 45°F (7.2°C) in November to a wintry 32.2°F (0.1°C). Throughout December, an average low-temperature of 21.6°F (-5.8°C) is expected.Humidity
The average relative humidity in December in Vinton is 82%.Rainfall
In December, in Vinton, the rain falls for 3.8 days. Throughout December, 0.43" (11mm) of precipitation is accumulated. Throughout the year, there are 103.1 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, in Vinton, Iowa, it is snowing for 5.5 days. Throughout December, 0.47" (12mm) of snow is accumulated. In Vinton, during the entire year, snow falls for 29.1 days and aggregates up to 4.92" (125mm) of snow.Daylight
December has the shortest days of the year in Vinton, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:46 pm CST.
Sunshine
In Vinton, Iowa, the average sunshine in December is 4.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vinton, IA
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in December
Vinton, 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 (29.89"Hg).
Average wind speed in December
Vinton, IA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Vinton, IA
- Average humidity in December: 82%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Vinton, IA
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in December
Vinton, IA
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in December
Vinton, IA
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Vinton, IA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (7.8 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
Vinton, 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Vinton, IA
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (13.4 days).
Average UV index in December
Vinton, IA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Vinton, IA
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in December
Vinton, 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).
