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 December, the average high-temperature marginally drops from a mild 60.1°F (15.6°C) in November to a cool 52.9°F (11.6°C). Welcome records a consistent low-temperature of 38.5°F (3.6°C) during December nights.Humidity
With an average relative humidity of 77%, December is the most humid month.Rainfall
In Welcome, in December, it is raining for 10.3 days, with typically 1.46" (37mm) of accumulated precipitation. In Welcome, during the entire year, the rain falls for 140.2 days and collects up to 16.61" (422mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the month with the most snowfall. Snow falls for 0.6 days and accumulates 0.31" (8mm) of snow.Daylight
December has the shortest days of the year in Welcome, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 5:18 pm. On the last day of December, in Welcome, sunrise is at 7:37 am and sunset at 5:29 pm EST.
Sunshine
December has the least sunshine of the year in Welcome, 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 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in December in Welcome?
What is the most humid month in Welcome?
What is the average humidity in December in Welcome?
How many days does it rain in December in Welcome?
What is the snowiest month in Welcome?
When does it start snowing in Welcome?
What is the month with the shortest days in Welcome?
How many hours of daylight does Welcome have in December?
When is the sunrise / sunset in December in Welcome?
What is the month with the least sunshine in Welcome?
How long on average sun shines in December in Welcome?
When is the lowest UV index in Welcome?
How high is the UV index in December in Welcome?
Average temperature in December
Welcome, SC
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in December
Welcome, SC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Welcome, SC
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Welcome, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Welcome, SC
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Welcome, SC
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is October (6.5 days).
Average snowfall in December
Welcome, SC
- Average snowfall in December: 0.31"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Welcome, SC
- Average snowfall days in December: 0.6 days
The months with the highest number of snowfall days are January and February (0.8 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
Welcome, 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 54min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Welcome, SC
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Welcome, 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 and December (UV index 2).
Average cloud cover in December
Welcome, SC
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in December
Welcome, 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).
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