December weather forecastShell Knob, MO
December
Weather in December
December, the first month of the winter in Shell Knob, is still a chilly month, with an average temperature fluctuating between 46.2°F (7.9°C) and 31.5°F (-0.3°C).Temperature
In December, the average high-temperature goes from a moderate 56.1°F (13.4°C) in November to a chilly 46.2°F (7.9°C). In Shell Knob, the average temperature during the nights of December drops to a subzero cold 31.5°F (-0.3°C).Humidity
The average relative humidity in December in Shell Knob is 75%.Rainfall
In Shell Knob, in December, it is raining for 7.2 days, with typically 1.97" (50mm) of accumulated precipitation. In Shell Knob, during the entire year, the rain falls for 149.2 days and collects up to 33.43" (849mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Shell Knob. In December, it is snowing for 3.1 days. Throughout December, 1.18" (30mm) of snow is accumulated. Throughout the year, in Shell Knob, Missouri, there are 15.1 snowfall days, and 7.8" (198mm) of snow is accumulated.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 7:08 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:09 pm CST.
Sunshine
The average sunshine in December 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 Shell Knob. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Shell Knob, MO
- Average high temperature in December: 46.2°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 (43.5°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Shell Knob, 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
Shell Knob, MO
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Shell Knob, MO
- Average humidity in December: 75%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are July, August and October (72%).
Average rainfall in December
Shell Knob, MO
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (4.69").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in December
Shell Knob, MO
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (7.2 days).
Average snowfall in December
Shell Knob, MO
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Shell Knob, MO
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shell Knob, 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 36min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Shell Knob, MO
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in December
Shell Knob, 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 and December (UV index 2).
Average cloud cover in December
Shell Knob, MO
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June, July and August (Cloud cover 26).
Average visibility in December
Shell Knob, 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).





