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
In December, the average high-temperature decreases from a cool 52.3°F (11.3°C) in November to a cold 40.6°F (4.8°C). During the nights in December, Chapel Hill observes an average low-temperature of 27.5°F (-2.5°C).Humidity
The average relative humidity in December is 75%.Rainfall
In Chapel Hill, in December, during 5.4 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Chapel Hill, there are 130.1 rainfall days, and 22.8" (579mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 3.4 days. Throughout December, 0.87" (22mm) of snow is accumulated. Throughout the year, in Chapel Hill, there are 20.8 snowfall days, and 8.07" (205mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:16 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:04 pm CST.
Sunshine
In Chapel Hill, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index in Chapel Hill are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
Is it cold in Chapel Hill during December?
What is the average humidity in December in Chapel Hill?
How many days does it rain in December in Chapel Hill?
How much does it snow in Chapel Hill in December?
What is the month with the shortest days in Chapel Hill?
What is the average length of the day in December in Chapel Hill?
What time are sunrise and sunset in December in Chapel Hill?
How long on average sun shines in December in Chapel Hill?
What is the month with the lowest UV index in Chapel Hill?
What is the UV index intensity in December in Chapel Hill?
Average temperature in December
Chapel Hill, MO
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 27.5°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 (22.5°F).
Average pressure in December
Chapel Hill, 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 (29.9"Hg).
Average wind speed in December
Chapel Hill, MO
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Chapel Hill, MO
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Chapel Hill, MO
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Chapel Hill, MO
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is December (5.4 days).
Average snowfall in December
Chapel Hill, MO
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Chapel Hill, MO
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chapel Hill, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Chapel Hill, 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 (12.5 days).
Average UV index in December
Chapel Hill, MO
- Average UV index in December: 2
The months with the highest UV index are May, 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
Chapel Hill, MO
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Chapel Hill, 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).
Chapel Hill, Missouri, USA
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