December weather forecastGravois Mills, MO
December
Weather in December
December, the first month of the winter in Gravois Mills, is still a chilly month, with an average temperature varying between 29.3°F (-1.5°C) and 43.2°F (6.2°C).Temperature
December shows a mild decline in the average high-temperature, falling from November's fresh 53.8°F (12.1°C) to a frosty 43.2°F (6.2°C). Throughout December nights, Gravois Mills experiences a consistent temperature average of 29.3°F (-1.5°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Gravois Mills, during December, the rain falls for 7.2 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Gravois Mills, during the entire year, the rain falls for 145.6 days and collects up to 30.35" (771mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Gravois Mills, in December, snow falls for 4.1 days, with typically accumulated 1.18" (30mm) of snow. In Gravois Mills, during the entire year, snow falls for 19.9 days and aggregates up to 9.45" (240mm) of snow.Daylight
December has the shortest days of the year in Gravois Mills, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:01 pm CST.
Sunshine
The average sunshine in December is 5.2h.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 low health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gravois Mills, MO
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Gravois Mills, 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 (29.92"Hg).
Average wind speed in December
Gravois Mills, MO
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Gravois Mills, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Gravois Mills, MO
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in December
Gravois Mills, MO
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and December (7.2 days).
Average snowfall in December
Gravois Mills, MO
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gravois Mills, MO
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gravois Mills, MO
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Gravois Mills, MO
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Gravois Mills, 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
Gravois Mills, MO
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in December
Gravois Mills, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
