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
With the arrival of December, Sibley notices a mild change in the average high-temperature, sliding from November's 65.8°F (18.8°C) to a still refreshing 58.6°F (14.8°C). An average nighttime temperature of 44.2°F (6.8°C) is observed in Sibley during December.Humidity
In December, the average relative humidity in Sibley is 81%.Rainfall
In Sibley, in December, during 12.7 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. Throughout the year, there are 168.8 rainfall days, and 37.52" (953mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. In Sibley, during the entire year, snow falls for 1.7 days and aggregates up to 0.75" (19mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 6:47 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:13 pm CST.
Sunshine
With an average of 4.8h of sunshine, December has the least sunshine of the year in Sibley.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Sibley?
What is the average humidity in December in Sibley?
How much does it rain in Sibley in December?
When does it start to snow in Sibley?
What is the month with the shortest days in Sibley?
What is the average length of the day in December in Sibley?
When are sunrise and sunset in December in Sibley?
What is the month with the least sunshine in Sibley?
How many hours of sunshine does Sibley have in December?
When is the lowest UV index in Sibley?
How high is the UV index in December in Sibley?
Average temperature in December
Sibley, MS
- Average high temperature in December: 58.6°F
The warmest months (with the highest average high temperature) are July and August (91°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 44.2°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in December
Sibley, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in December
Sibley, MS
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in December
Sibley, MS
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Sibley, MS
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Sibley, MS
- Average rainfall days in December: 12.7 days
The months with the highest number of rainy days are July and August (19.3 days).
The month with the least rainy days is October (8.9 days).
Average snowfall in December
Sibley, MS
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Sibley, MS
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Sibley, MS
- Average daylight in December: 10h and 1min
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 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Sibley, MS
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Sibley, 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
Sibley, 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 28).
Average visibility in December
Sibley, 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).
Sibley, Mississippi, USA
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