December weather forecastMonticello, MS
December
Weather in December
December, the first month of the winter in Monticello, is still a refreshing month, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 58.6°F (14.8°C).Temperature
The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a refreshing 65.5°F (18.6°C) to a moderate 58.6°F (14.8°C). In Monticello, the average low-temperature during the month of December is a frosty 43°F (6.1°C).Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Monticello, in December, it is raining for 13.5 days, with typically 3.86" (98mm) of accumulated precipitation. In Monticello, during the entire year, the rain falls for 175.1 days and collects up to 38.9" (988mm) of precipitation.Snowfall
Months with snowfall in Monticello are January through March and December. The months with the most snowfall in Monticello are January and December, with an average 0.31" (8mm) of accumulated snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year in Monticello.On the first day of the month, sunrise is at 6:42 am and sunset at 4:56 pm. On the last day of December, sunrise is at 6:59 am and sunset at 5:07 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Monticello.UV index
The months with the lowest UV index in Monticello are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 3 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Monticello, MS
- Average high temperature in December: 58.6°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 43°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Monticello, MS
- 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 (29.96"Hg).
Average wind speed in December
Monticello, MS
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are February and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Monticello, MS
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Monticello, MS
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is August (4.25").
The driest month (with the least rainfall) is November (2.4").
Average rainfall days in December
Monticello, MS
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is August (21.6 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Monticello, MS
- Average snowfall in December: 0.31"
The months with the highest snowfall are January and December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Monticello, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Monticello, MS
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Monticello, MS
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (8.1 days).
Average UV index in December
Monticello, MS
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Monticello, MS
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Monticello, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).





