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 arrival of December indicates a decrease in the average high-temperature, moving from a cool 52.3°F (11.3°C) in November to an icy 40.3°F (4.6°C). Sibley anticipates an average minimum temperature of 27.1°F (-2.7°C) in the month of December.Humidity
The average relative humidity in December is 75%.Rainfall
In December, in Sibley, the rain falls for 5.5 days. Throughout December, 1.54" (39mm) of precipitation is accumulated. In Sibley, during the entire year, the rain falls for 136.1 days and collects up to 27.24" (692mm) of precipitation.Snowfall
Months with snowfall are January through March, May, October through December. In Sibley, during December, snow falls for 3.5 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, there are 16.7 snowfall days, and 8.9" (226mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:17 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:04 pm CST.
Sunshine
The average sunshine in December is 5.3h.UV index
The months with the lowest UV index in Sibley are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Sibley?
What is the average humidity in December in Sibley?
How many days does it rain in December in Sibley?
How many days does it snow in December 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 is the sunrise / sunset in December in Sibley?
How many hours of sunshine does Sibley have in December?
What is the month with the lowest UV index in Sibley?
How high is the UV index in December in Sibley?
Average temperature in December
Sibley, MO
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Sibley, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Sibley, MO
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Sibley, MO
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in December
Sibley, MO
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
Sibley, MO
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in December
Sibley, MO
- Average snowfall in December: 1.14"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in December
Sibley, MO
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sibley, MO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Sibley, MO
- Average sunshine days in December: 22 days
The month with the most sunshine days is December (22 days).
The months with the least sunshine days are May and June (11.6 days).
Average UV index in December
Sibley, 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
Sibley, MO
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Sibley, 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).
Sibley, Missouri, USA
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