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
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a moderate 59.9°F (15.5°C) to a fresh 52.3°F (11.3°C). Throughout the month of December, Mayo expects an average low of 37.6°F (3.1°C).Humidity
December is the most humid month, with an average relative humidity of 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 9.9 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Mayo, South Carolina. The month with the most snowfall in Mayo is December, when snow falls for 0.6 days and typically aggregates up to 2.44" (62mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Mayo.On the first day of the month, sunrise is at 7:17 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:35 am and sunset at 5:26 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year in Mayo.UV index
The months with the lowest UV index in Mayo are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mayo in December?
What is the most humid month in Mayo?
What is the average humidity in December in Mayo?
What is the rainiest month in Mayo?
How many days does it rain in December in Mayo?
When does it snow the most in Mayo?
How many days does it snow in December in Mayo?
What is the month with the shortest days in Mayo?
What is the average length of the day in December in Mayo?
When is the sunrise / sunset in December in Mayo?
What is the month with the least sunshine in Mayo?
How long on average sun shines in December in Mayo?
What are the months with the lowest UV index in Mayo?
How high is the UV index in December in Mayo?
Average temperature in December
Mayo, SC
- Average high temperature in December: 52.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in December: 37.6°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in December
Mayo, 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 (29.98"Hg).
Average wind speed in December
Mayo, SC
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Mayo, 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 (68%).
Average rainfall in December
Mayo, SC
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Mayo, SC
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Mayo, SC
- Average snowfall in December: 2.44"
The month with the highest snowfall is December (2.44").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mayo, SC
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.5 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
Mayo, 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 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Mayo, SC
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Mayo, 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
Mayo, SC
- Average cloud cover in December: 42
The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 28).
Average visibility in December
Mayo, 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).
Mayo, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location