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 indicates a minor shift in the average high-temperature, from November's enjoyable 62.1°F (16.7°C) to a moderate 55.9°F (13.3°C). During December, an average low-temperature of 41.9°F (5.5°C) is observed in Timmonsville.Humidity
In December, the average relative humidity is 75%.Rainfall
In Timmonsville, during December, the rain falls for 8.4 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Timmonsville, during the entire year, the rain falls for 123.1 days and collects up to 13.19" (335mm) of precipitation.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Timmonsville, there are 0.9 snowfall days, and 0.31" (8mm) of snow is accumulated.Daylight
The month with the shortest days in Timmonsville is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 5:10 pm. On the last day of December, in Timmonsville, sunrise is at 7:25 am and sunset at 5:20 pm EST.
Sunshine
The month with the least sunshine in Timmonsville is December, with an average of 5.4h of sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Timmonsville?
What is the average humidity in December in Timmonsville?
How much does it rain in Timmonsville in December?
When does it start snowing in Timmonsville?
What is the month with the shortest days in Timmonsville?
How many hours of daylight does Timmonsville have in December?
When is the sunrise / sunset in December in Timmonsville?
What is the month with the least sunshine in Timmonsville?
How many hours of sunshine does Timmonsville have in December?
What is the UV index reading in December in Timmonsville?
Average temperature in December
Timmonsville, SC
- Average high temperature in December: 55.9°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in December
Timmonsville, SC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Timmonsville, SC
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Timmonsville, SC
- Average humidity in December: 75%
The months with the highest relative humidity are May, August and September (77%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in December
Timmonsville, SC
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Timmonsville, SC
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in December
Timmonsville, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Timmonsville, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 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
Timmonsville, 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
Timmonsville, SC
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in December
Timmonsville, 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
Timmonsville, 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 October (Cloud cover 29).
Average visibility in December
Timmonsville, 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).
Timmonsville, South Carolina, USA
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