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 comes with a mild decrease in the average high-temperature, moving subtly from a comfortable 61.7°F (16.5°C) in November to a fresh 54.9°F (12.7°C). In December, Trinity experiences an average nighttime temperature of 39.7°F (4.3°C).Humidity
With an average relative humidity of 77%, December is the most humid month.Rainfall
The month with the most rainfall in Trinity is December, when the rain falls for 11.3 days and typically aggregates up to 3.15" (80mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Trinity. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Trinity, South Carolina, during the entire year, snow falls for 1.5 days and aggregates up to 1.18" (30mm) 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, sunrise is at 7:15 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:27 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year in Trinity.UV index
In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 during December leads to these advisories:
Undertake precautions - Guarding against sun damage is counselled. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the temperature in December in Trinity?
What is the most humid month in Trinity?
What is the average humidity in December in Trinity?
What is the rainiest month in Trinity?
How many days does it rain in December in Trinity?
When does it start to snow in Trinity?
What is the month with the shortest days in Trinity?
How many hours of daylight does Trinity have in December?
When are sunrise and sunset in December in Trinity?
What is the month with the least sunshine in Trinity?
How long on average sun shines in December in Trinity?
What is the UV index reading in December in Trinity?
Average temperature in December
Trinity, SC
- Average high temperature in December: 54.9°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in December
Trinity, 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
Trinity, SC
- Average wind speed in December: 6.9mph
The windiest months (with the highest average wind speed) are February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Trinity, 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
Trinity, SC
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Trinity, SC
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Trinity, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Trinity, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.6 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
Trinity, 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
Trinity, SC
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in December
Trinity, SC
- Average UV index in December: 3
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Trinity, 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
Trinity, 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).
Trinity, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location
