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 meteorological conditions change slightly, with the average high-temperature moving from a moderate 59.5°F (15.3°C) in November to a fresh 52.7°F (11.5°C). In Tamassee, the December nights cool down to an average low of 37.9°F (3.3°C).Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
December is the month with the most rainfall. Rain falls for 11.6 days and accumulates 3.7" (94mm) of precipitation.Snowfall
Months with snowfall are January through March and December. The month with the most snowfall is December, when snow falls for 0.6 days and typically aggregates up to 2.28" (58mm) 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 7:21 am and sunset at 5:20 pm. On the last day of December, in Tamassee, South Carolina, sunrise is at 7:39 am and sunset at 5:31 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Tamassee. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
What is the snowiest month?
When does it start to snow?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December in Tamassee?
What is the month with the least sunshine?
How many hours of sunshine does Tamassee have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Tamassee, SC
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 37.9°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in December
Tamassee, 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
Tamassee, SC
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Tamassee, 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 (71%).
Average rainfall in December
Tamassee, SC
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Tamassee, SC
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in December
Tamassee, SC
- Average snowfall in December: 2.28"
The month with the highest snowfall is December (2.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Tamassee, SC
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1 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
Tamassee, 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 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Tamassee, SC
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in December
Tamassee, 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
Tamassee, 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 July (Cloud cover 27).
Average visibility in December
Tamassee, SC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Tamassee, South Carolina, USA
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