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 is marked by a subtle drop in average high-temperatures, transitioning from a moderate 58.5°F (14.7°C) in November to a fresh 51.3°F (10.7°C). In the month of December, Landrum's average low-temperature falls to an icy 36.5°F (2.5°C).Humidity
December is the most humid month, with an average relative humidity of 76%.Rainfall
The month with the most rainfall in Landrum is December, when the rain falls for 11.2 days and typically aggregates up to 3.66" (93mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall in Landrum is December, when snow falls for 0.9 days and typically aggregates up to 2.99" (76mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December in Landrum, sunrise is at 7:19 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:27 pm EST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Landrum in December?
What is the most humid month in Landrum?
What is the average humidity in December in Landrum?
What is the wettest month in Landrum?
How much does it rain in Landrum in December?
When does it snow the most in Landrum?
How much does it snow in Landrum in December?
What is the month with the shortest days in Landrum?
What is the average length of the day in December in Landrum?
When are sunrise and sunset in December in Landrum?
What is the month with the least sunshine in Landrum?
How long on average sun shines in December in Landrum?
When is the lowest UV index in Landrum?
How high is the UV index in December in Landrum?
Average temperature in December
Landrum, SC
- Average high temperature in December: 51.3°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (47.1°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in December
Landrum, SC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Landrum, SC
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Landrum, SC
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Landrum, SC
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Landrum, SC
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Landrum, SC
- Average snowfall in December: 2.99"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Landrum, SC
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Landrum, SC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Landrum, SC
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Landrum, SC
- 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 and December (UV index 2).
Average cloud cover in December
Landrum, SC
- Average cloud cover in December: 39
The months with the most cloud cover are February, March and December (Cloud cover 39).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Landrum, 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).
Landrum, South Carolina, USA
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