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
As November transitions into December, Montmorenci sees a gentle drop in the average high-temperature, transitioning from a refreshing 62.8°F (17.1°C) to a mild 56.7°F (13.7°C). During December, Montmorenci experiences a consistent low-temperature average of 42.4°F (5.8°C).Humidity
With an average relative humidity of 75%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 10.9 days and typically aggregates up to 3.15" (80mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Montmorenci. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.1 snowfall days, and 0.71" (18mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 5:18 pm. On the last day of December, in Montmorenci, sunrise is at 7:30 am and sunset at 5:29 pm EST.
Sunshine
The month with the least sunshine in Montmorenci is December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Montmorenci?
What is the most humid month in Montmorenci?
What is the average humidity in December in Montmorenci?
What is the wettest month in Montmorenci?
How many days does it rain in December in Montmorenci?
When does it start to snow in Montmorenci?
What is the month with the shortest days in Montmorenci?
How many hours of daylight does Montmorenci have in December?
When are sunrise and sunset in December in Montmorenci?
What is the month with the least sunshine in Montmorenci?
How long on average sun shines in December in Montmorenci?
What are the months with the lowest UV index in Montmorenci?
How high is the UV index in December in Montmorenci?
Average temperature in December
Montmorenci, SC
- Average high temperature in December: 56.7°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in December: 42.4°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in December
Montmorenci, SC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Montmorenci, SC
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are February and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Montmorenci, SC
- Average humidity in December: 75%
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are July and November (70%).
Average rainfall in December
Montmorenci, SC
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Montmorenci, SC
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are October and November (7.7 days).
Average snowfall in December
Montmorenci, SC
- Average snowfall in December: 0.04"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Montmorenci, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 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
Montmorenci, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Montmorenci, SC
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Montmorenci, SC
- 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
Montmorenci, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Montmorenci, SC
- 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).
Montmorenci, South Carolina, USA
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