December weather forecastWillmathsville, MO
December
Weather in December
December, the first month of the winter in Willmathsville, is also an icy month, with an average temperature fluctuating between 25.2°F (-3.8°C) and 37°F (2.8°C).Temperature
December comes with a decrease in the average high-temperature, falling from a chilly 49.3°F (9.6°C) in November to a wintry 37°F (2.8°C). Willmathsville's average low-temperature is measured at a subzero cold 25.2°F (-3.8°C) during December.Humidity
The average relative humidity in December in Willmathsville is 79%.Rainfall
In Willmathsville, during December, the rain falls for 6.3 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Willmathsville, during the entire year, the rain falls for 136.6 days and collects up to 28.5" (724mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Willmathsville, during December, snow falls for 4.7 days and regularly aggregates up to 1.46" (37mm) of snow. Throughout the year, there are 25.3 snowfall days, and 13.86" (352mm) of snow is accumulated.Daylight
December has the shortest days of the year in Willmathsville, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:53 pm CST.
Sunshine
In December, the average sunshine in Willmathsville is 4.7h.UV index
The months with the lowest UV index in Willmathsville are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Willmathsville, MO
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Willmathsville, MO
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Willmathsville, MO
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Willmathsville, MO
- Average humidity in December: 79%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Willmathsville, MO
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
Willmathsville, MO
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Willmathsville, MO
- Average snowfall in December: 1.46"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Willmathsville, MO
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (7.5 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
Willmathsville, MO
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 42min
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
Willmathsville, MO
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Willmathsville, MO
- 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, November and December (UV index 2).
Average cloud cover in December
Willmathsville, MO
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in December
Willmathsville, MO
- 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).





