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 arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's enjoyable 61.7°F (16.5°C) to a cool 54.9°F (12.7°C). During the month of December, Blythewood experiences a steady low-temperature average of 40.6°F (4.8°C).Humidity
May and December, with an average relative humidity of 75%, are the most humid months in Blythewood.Rainfall
The month with the most rainfall is December, when the rain falls for 12 days and typically aggregates up to 3.5" (89mm) of precipitation.Snowfall
Months with snowfall in Blythewood are January through March, November and December. In Blythewood, South Carolina, in December, snow falls for 0.2 days, with typically accumulated 0.08" (2mm) of snow. In Blythewood, during the entire year, snow falls for 2.5 days and aggregates up to 1.34" (34mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December in Blythewood, sunrise is at 7:12 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:24 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
In Blythewood, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Blythewood in December?
What are the most humid months in Blythewood?
What is the average humidity in December in Blythewood?
What is the rainiest month in Blythewood?
How much does it rain in Blythewood in December?
How many days does it snow in December in Blythewood?
What is the month with the shortest days in Blythewood?
How many hours of daylight does Blythewood have in December?
When is the sunrise / sunset in December in Blythewood?
What is the month with the least sunshine in Blythewood?
How long on average sun shines in December in Blythewood?
How high is the UV index in December in Blythewood?
Average temperature in December
Blythewood, SC
- Average high temperature in December: 54.9°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in December
Blythewood, 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
Blythewood, SC
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are February and April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Blythewood, SC
- Average humidity in December: 75%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are June, July and November (71%).
Average rainfall in December
Blythewood, SC
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Blythewood, SC
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (18 days).
The months with the least rainy days are October and November (9 days).
Average snowfall in December
Blythewood, SC
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Blythewood, SC
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.2 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
Blythewood, 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
Blythewood, SC
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Blythewood, 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
Blythewood, SC
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Blythewood, 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).
Blythewood, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location
