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
December's climate shows a minor adjustment in average high-temperatures to a still comfortable 60.8°F (16°C) from November's 65.7°F (18.7°C). Throughout December, Landsdowne experiences a low-temperature average of 49.3°F (9.6°C).Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Landsdowne, during December, the rain falls for 11.1 days and regularly aggregates up to 4.25" (108mm) of precipitation. Throughout the year, there are 178.9 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.Snowfall
January and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Landsdowne, during the entire year, snow falls for 0.6 days and aggregates up to 0.16" (4mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December in Landsdowne, sunrise is at 7:04 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:24 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.7h of sunshine.UV index
In Landsdowne, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in December translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Landsdowne have in December?
When are sunrise and sunset in December in Landsdowne?
What is the month with the least sunshine?
How many hours of sunshine does Landsdowne have in December?
What is the UV index reading in December?
Average temperature in December
Landsdowne, SC
- Average high temperature in December: 60.8°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 49.3°F
The month with the highest average low temperature is July (77.4°F).
The coldest month (with the lowest average low temperature) is January (44.4°F).
Average pressure in December
Landsdowne, SC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Landsdowne, SC
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).
Average humidity in December
Landsdowne, SC
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in December
Landsdowne, SC
- Average rainfall in December: 4.25"
The wettest month (with the highest rainfall) is August (7.13").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in December
Landsdowne, SC
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Landsdowne, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Landsdowne, 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 March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Landsdowne, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Landsdowne, SC
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in December
Landsdowne, SC
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Landsdowne, SC
- Average cloud cover in December: 39
The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Landsdowne, 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).
Landsdowne, South Carolina, USA
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