December weather forecastMount Leonard, MO
December
Weather in December
The first month of the winter, December, is also an icy month in Mount Leonard, Missouri, with an average temperature fluctuating between 27.9°F (-2.3°C) and 41.2°F (5.1°C).Temperature
The average high-temperature decreases in December, shifting from a fresh 52.5°F (11.4°C) in November to an icy 41.2°F (5.1°C). Nighttime temperature experiences an average drop to a freezing cold 27.9°F (-2.3°C) in December.Humidity
The average relative humidity in December is 76%.Rainfall
In Mount Leonard, in December, during 4.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Mount Leonard, during the entire year, the rain falls for 108.2 days and collects up to 12.17" (309mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Mount Leonard, in December, snow falls for 2.5 days, with typically accumulated 0.43" (11mm) of snow. Throughout the year, there are 14.7 snowfall days, and 3.15" (80mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:01 pm CST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. 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
Mount Leonard, MO
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Mount Leonard, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Mount Leonard, MO
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in December
Mount Leonard, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Mount Leonard, MO
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Mount Leonard, MO
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in December
Mount Leonard, MO
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Mount Leonard, MO
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Leonard, MO
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 12min
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 54min).
Average sunshine days in December
Mount Leonard, MO
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (14.8 days).
Average UV index in December
Mount Leonard, 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
Mount Leonard, MO
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Mount Leonard, 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).
