December weather forecastNiangua, MO
December
Weather in December
The first month of the winter, December, is also a frosty month in Niangua, Missouri, with an average temperature fluctuating between 29.5°F (-1.4°C) and 43.7°F (6.5°C).Temperature
Onset of December comes with a temperature decline, the average high falling from a fresh 54.3°F (12.4°C) in November to a chilly 43.7°F (6.5°C). Niangua's nighttime temperature in December falls to an average of 29.5°F (-1.4°C).Humidity
In December, the average relative humidity is 76%.Rainfall
In Niangua, in December, during 7.9 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Niangua, during the entire year, the rain falls for 153.6 days and collects up to 33.5" (851mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Niangua, in December, during 4 snowfall days, 1.18" (30mm) of snow is typically accumulated. Throughout the year, there are 21.7 snowfall days, and 8.74" (222mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:03 pm CST.
Sunshine
In Niangua, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Niangua, MO
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Niangua, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Niangua, MO
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and March (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Niangua, MO
- Average humidity in December: 76%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Niangua, MO
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in December
Niangua, MO
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Niangua, MO
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Niangua, MO
- Average snowfall days in December: 4 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
Niangua, MO
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Niangua, MO
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is December (20.1 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Niangua, 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
Niangua, MO
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Niangua, 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).





