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 brings a slight decrease in temperature, down from a moderate 59.9°F (15.5°C) in November to a cool 52.7°F (11.5°C). December witnesses an average nighttime temperature of 38.5°F (3.6°C) in Valley Falls.Humidity
December is the most humid month in Valley Falls, South Carolina, with an average relative humidity of 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.2 days and typically aggregates up to 3.43" (87mm) of precipitation.Snowfall
January through March and December are months with snowfall in Valley Falls. December is the month with the most snowfall in Valley Falls. Snow falls for 0.5 days and accumulates 2.2" (56mm) of snow.Daylight
The month with the shortest days in Valley Falls is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:26 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Valley Falls in December?
What is the most humid month in Valley Falls?
What is the average humidity in December in Valley Falls?
What is the wettest month in Valley Falls?
How many days does it rain in December in Valley Falls?
When does it snow the most in Valley Falls?
When does it start snowing in Valley Falls?
What is the month with the shortest days in Valley Falls?
How many hours of daylight does Valley Falls have in December?
When is the sunrise / sunset in December in Valley Falls?
What is the month with the least sunshine in Valley Falls?
How long on average sun shines in December in Valley Falls?
What are the months with the lowest UV index in Valley Falls?
What is the UV index reading in December in Valley Falls?
Average temperature in December
Valley Falls, SC
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in December
Valley Falls, 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
Valley Falls, SC
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Valley Falls, 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
Valley Falls, SC
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Valley Falls, SC
- Average rainfall days in December: 10.2 days
The months with the highest number of rainy days are July and August (15.8 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Valley Falls, SC
- Average snowfall in December: 2.2"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Valley Falls, SC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.3 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
Valley Falls, 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 month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Valley Falls, SC
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in December
Valley Falls, 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
Valley Falls, SC
- Average cloud cover in December: 43
The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in December
Valley Falls, 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).
Valley Falls, South Carolina, USA
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