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
Setting in of December comes with a decrease in the average high-temperature, moving from a cool 50.9°F (10.5°C) in November to an icy 38.7°F (3.7°C). Mooresville observes an average low-temperature of 25.7°F (-3.5°C) during December.Humidity
The average relative humidity in December is 77%.Rainfall
In December, the rain falls for 6.5 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 137.4 rainfall days, and 28.82" (732mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Mooresville, during December, snow falls for 5 days and regularly aggregates up to 1.57" (40mm) of snow. Throughout the year, there are 26.1 snowfall days, and 12.13" (308mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:00 pm CST.
Sunshine
The average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mooresville have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mooresville, MO
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Mooresville, 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
Mooresville, MO
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Mooresville, MO
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Mooresville, MO
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in December
Mooresville, MO
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
Mooresville, MO
- Average snowfall in December: 1.57"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mooresville, MO
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mooresville, MO
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Mooresville, MO
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in December
Mooresville, 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
Mooresville, MO
- Average cloud cover in December: 45
The months with the most cloud cover are January and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Mooresville, 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).
Mooresville, Missouri, USA
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