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
In Lamar, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's enjoyable 62.1°F (16.7°C) to a still refreshing 55.9°F (13.3°C). During the nights in December, the temperature in Lamar averages to an icy 41.9°F (5.5°C).Humidity
The average relative humidity in December is 75%.Rainfall
In Lamar, during December, the rain falls for 8.4 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Lamar, during the entire year, the rain falls for 123.1 days and collects up to 13.19" (335mm) of precipitation.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows in Lamar. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Lamar, during the entire year, snow falls for 0.9 days and aggregates up to 0.31" (8mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 5:10 pm. On the last day of December, in Lamar, sunrise is at 7:25 am and sunset at 5:21 pm EST.
Sunshine
December has the least sunshine of the year in Lamar, with an average of 5.4h of sunshine.UV index
In Lamar, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 3 suggests this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Lamar in December?
What is the average humidity in December in Lamar?
How many days does it rain in December in Lamar?
When does it start to snow in Lamar?
What is the month with the shortest days in Lamar?
How many hours of daylight does Lamar have in December?
What time are sunrise and sunset in December in Lamar?
What is the month with the least sunshine in Lamar?
How many hours of sunshine does Lamar have in December?
What is the UV index intensity in December in Lamar?
Average temperature in December
Lamar, SC
- Average high temperature in December: 55.9°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in December
Lamar, SC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Lamar, SC
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Lamar, SC
- Average humidity in December: 75%
The months with the highest relative humidity are May, August and September (77%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in December
Lamar, SC
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Lamar, SC
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in December
Lamar, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Lamar, 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
Lamar, SC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- 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
Lamar, SC
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in December
Lamar, SC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Lamar, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in December
Lamar, 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).
Lamar, South Carolina, USA
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