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
With December's onset, the weather reveals a slight temperature decrease, transitioning from an enjoyable 61.7°F (16.5°C) in November to a moderate 55.8°F (13.2°C). An average low-temperature of 41.9°F (5.5°C) is observed during December nights.Humidity
The average relative humidity in December is 75%.Rainfall
In Zemp, during December, the rain falls for 10.4 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, there are 158.4 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
Months with snowfall in Zemp are January through March, November and December. In December, it is snowing for 0.1 days. Throughout December, 0.2" (5mm) of snow is accumulated. In Zemp, during the entire year, snow falls for 1.8 days and aggregates up to 1.38" (35mm) 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 December, sunrise is at 7:09 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:21 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.5h of sunshine.UV index
In Zemp, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
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 Zemp have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Zemp, SC
- Average high temperature in December: 55.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (52.2°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°F).
Average pressure in December
Zemp, 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
Zemp, SC
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Zemp, SC
- Average humidity in December: 75%
The months with the highest relative humidity are May and September (76%).
The months with the lowest relative humidity are January, March and November (71%).
Average rainfall in December
Zemp, SC
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in December
Zemp, SC
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Zemp, SC
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Zemp, SC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.7 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
Zemp, 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 3min
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 30min).
Average sunshine days in December
Zemp, SC
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is August (9 days).
Average UV index in December
Zemp, 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
Zemp, 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 28).
Average visibility in December
Zemp, 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).
Zemp, South Carolina, USA
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