December weather forecastWaco, MO
December
Weather in December
The first month of the winter, December, is still a chilly month in Waco, Missouri, with an average temperature fluctuating between 45.7°F (7.6°C) and 31.5°F (-0.3°C).Temperature
With December's arrival, Waco, Missouri, sees a decrease in average high-temperatures, moving from a refreshing 56.1°F (13.4°C) in November to a chilly 45.7°F (7.6°C). December's average low-temperature reading settles at a subzero cold 31.5°F (-0.3°C).Humidity
The average relative humidity in December is 73%.Rainfall
In Waco, during December, the rain falls for 7.2 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Waco, during the entire year, the rain falls for 140.3 days and collects up to 30.12" (765mm) of precipitation.Snowfall
Months with snowfall are January through March, May, November and December. In Waco, Missouri, in December, during 1.8 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Waco, during the entire year, snow falls for 10.9 days and aggregates up to 4.76" (121mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:11 pm CST.
Sunshine
In December, the average sunshine in Waco is 5.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Waco, Missouri. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Waco, MO
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Waco, 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 (29.91"Hg).
Average wind speed in December
Waco, MO
- Average wind speed in December: 9.6mph
The windiest months (with the highest average wind speed) are March and April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Waco, MO
- Average humidity in December: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Waco, MO
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (5.12").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in December
Waco, MO
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Waco, MO
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Waco, MO
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Waco, MO
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Waco, MO
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in December
Waco, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Waco, MO
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June, July and August (Cloud cover 24).
Average visibility in December
Waco, 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).
