December weather forecastPowell, MO
December
Weather in December
The first month of the winter, December, is still a chilly month in Powell, Missouri, with temperature in the range of an average low of 31.6°F (-0.2°C) and an average high of 46.8°F (8.2°C).Temperature
The onset of December entails a temperature shift, as the average high-temperature decreases from a mild 56.5°F (13.6°C) in November to a frosty 46.8°F (8.2°C). Powell's nighttime temperature in December drops to an average of 31.6°F (-0.2°C).Humidity
In Powell, the average relative humidity in December is 75%.Rainfall
In Powell, during December, the rain falls for 7.8 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Powell, there are 141.8 rainfall days, and 31.5" (800mm) of precipitation is accumulated.Snowfall
Months with snowfall in Powell are January through May, November and December. In Powell, in December, during 2.8 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Powell, during the entire year, snow falls for 12.3 days and aggregates up to 3.74" (95mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December in Powell, Missouri, sunrise is at 7:10 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:11 pm CST.
Sunshine
January and December, with an average of 5.4h of sunshine, are months with the least sunshine in Powell.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Powell, MO
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Powell, 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
Powell, MO
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Powell, MO
- Average humidity in December: 75%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Powell, MO
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in December
Powell, MO
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Powell, MO
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Powell, MO
- Average snowfall days in December: 2.8 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 and September (0 days).
Average daylight in December /
Average sunshine in December
Powell, MO
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Powell, MO
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is April (13.7 days).
Average UV index in December
Powell, 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 and December (UV index 2).
Average cloud cover in December
Powell, MO
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Powell, 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).





