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 average high-temperature drops in December, from November's fresh 52.3°F (11.3°C) to a wintry 40.6°F (4.8°C). An average minimum temperature of 27.5°F (-2.5°C) marks the month of December.Humidity
The average relative humidity in December is 75%.Rainfall
In Chapel Hill, in December, it is raining for 5.4 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, 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 Chapel Hill, in December, snow falls for 3.4 days, with typically accumulated 0.87" (22mm) of snow. Throughout the year, 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 the month, sunrise is at 7:16 am and sunset at 4:54 pm. On the last day of December, in Chapel Hill, sunrise is at 7:34 am and sunset at 5:04 pm CST.
Sunshine
The average sunshine in December is 5.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Chapel Hill during December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Chapel Hill?
What is the month with the lowest UV index in Chapel Hill?
How high is the UV index in December?
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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