December weather forecastMosby, MO
December
Weather in December
The first month of the winter, December, is also an icy month in Mosby, Missouri, with an average temperature fluctuating between 26.8°F (-2.9°C) and 39.9°F (4.4°C).Temperature
As December begins, there is a decrease in the average high-temperature, falling from a cool 51.8°F (11°C) in November to an icy 39.9°F (4.4°C). The nights of December in Mosby anticipate an average low-temperature of 26.8°F (-2.9°C).Humidity
In Mosby, Missouri, the average relative humidity in December is 76%.Rainfall
In Mosby, during December, the rain falls for 5.8 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 138.2 rainfall days, and 27.72" (704mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Mosby, in December, during 4.5 snowfall days, 1.34" (34mm) of snow is typically accumulated. In Mosby, during the entire year, snow falls for 22.8 days and aggregates up to 10" (254mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:18 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:04 pm CST.
Sunshine
In December, the average sunshine in Mosby, Missouri, is 5.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mosby. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mosby, MO
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Mosby, 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 (29.89"Hg).
Average wind speed in December
Mosby, MO
- Average wind speed in December: 8.9mph
The windiest months (with the highest average wind speed) are March and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Mosby, MO
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in December
Mosby, MO
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Mosby, MO
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in December
Mosby, MO
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mosby, MO
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mosby, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Mosby, MO
- Average sunshine days in December: 21 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in December
Mosby, MO
- Average UV index in December: 2
The months with the highest UV index are May, 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
Mosby, MO
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Mosby, 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).
