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
The shift from November to December coincides with a small decrease in the average high-temperature, down to a moderate 59.4°F (15.2°C) from a refreshing 65.3°F (18.5°C). Halls Mill records an average temperature drop to a frosty 44.2°F (6.8°C) in December.Humidity
August, September and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Halls Mill, in December, it is raining for 9.6 days, with typically 2.05" (52mm) of accumulated precipitation. In Halls Mill, during the entire year, the rain falls for 138.1 days and collects up to 18.98" (482mm) of precipitation.Snowfall
In Halls Mill, snow does not fall in January, March through December.Daylight
The month with the shortest days in Halls Mill is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:28 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Halls Mill?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Halls Mill, SC
- Average high temperature in December: 59.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 44.2°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in December
Halls Mill, SC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Halls Mill, SC
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Halls Mill, SC
- Average humidity in December: 76%
The months with the highest relative humidity are August, September and December (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in December
Halls Mill, SC
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in December
Halls Mill, SC
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in December
Halls Mill, SC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Halls Mill, SC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Halls Mill, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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
Halls Mill, SC
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Halls Mill, SC
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Halls Mill, SC
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 30).
Average visibility in December
Halls Mill, 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).
Halls Mill, South Carolina, USA
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