Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The commencement of December indicates a gentle shift in the average high-temperature, receding from November's enjoyable 61.7°F (16.5°C) to a fresh 53.1°F (11.7°C). Throughout December, the average low-temperature in Duncan, Mississippi, dips to a cold 40.8°F (4.9°C).Humidity
The months with the highest humidity are February, March and December, with an average relative humidity of 78%.Rainfall
In December, the rain falls for 10.6 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. Throughout the year, in Duncan, there are 144.9 rainfall days, and 31.22" (793mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Duncan. In Duncan, in December, snow falls for 0.4 days, with typically accumulated 0.04" (1mm) of snow. In Duncan, during the entire year, snow falls for 2.3 days and aggregates up to 0.87" (22mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 4:53 pm. On the last day of December, in Duncan, sunrise is at 7:08 am and sunset at 5:04 pm CST.
Sunshine
In December, the average sunshine in Duncan is 4.9h.UV index
The months with the lowest UV index in Duncan are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What are December temperatures in Duncan?
What is the most humid month in Duncan?
What is the average humidity in December in Duncan?
How many days does it rain in December in Duncan?
How many days does it snow in December in Duncan?
What is the month with the shortest days in Duncan?
How many hours of daylight does Duncan have in December?
When are sunrise and sunset in December in Duncan?
How long on average sun shines in December in Duncan?
What is the month with the lowest UV index in Duncan?
What is the UV index reading in December in Duncan?
Average temperature in December
Duncan, MS
- Average high temperature in December: 53.1°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in December: 40.8°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in December
Duncan, 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 (29.95"Hg).
Average wind speed in December
Duncan, MS
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Duncan, MS
- Average humidity in December: 78%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Duncan, MS
- Average rainfall in December: 2.8"
The wettest months (with the highest rainfall) are April and May (3.46").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Duncan, MS
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is October (8.3 days).
Average snowfall in December
Duncan, MS
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Duncan, MS
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (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
Duncan, MS
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Duncan, MS
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Duncan, MS
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Duncan, MS
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Duncan, MS
- 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).
Duncan, Mississippi, USA
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