December weather forecastCentralia, MO
December
Weather in December
The first month of the winter, December, is also an icy month in Centralia, Missouri, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 40.3°F (4.6°C).Temperature
December's arrival comes with a decrease in the average high-temperature, moving from a fresh 52°F (11.1°C) in November to a cold 40.3°F (4.6°C). In December, Centralia records an average nighttime temperature of 27.7°F (-2.4°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Centralia, in December, during 7.7 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, in Centralia, there are 143 rainfall days, and 25.39" (645mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 5.2 days. Throughout December, 1.34" (34mm) of snow is accumulated. Throughout the year, there are 28.3 snowfall days, and 8.46" (215mm) 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 the month, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:55 pm CST.
Sunshine
In Centralia, the average sunshine in December is 5h.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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Centralia, MO
- Average high temperature in December: 40.3°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 (35.2°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Centralia, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Centralia, MO
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Centralia, MO
- Average humidity in December: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Centralia, MO
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in December
Centralia, MO
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in December
Centralia, MO
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Centralia, MO
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (9 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
Centralia, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Centralia, MO
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Centralia, 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
Centralia, MO
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Centralia, 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).
