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 onset brings a negligible change in high-temperatures, falling from a mild 60.4°F (15.8°C) in November to a fresh 54.5°F (12.5°C). The month of December records an average low-temperature of 39.7°F (4.3°C) in Chester, South Carolina.Humidity
The most humid month in Chester is December, with an average relative humidity of 76%.Rainfall
In Chester, in December, during 10.9 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Chester, South Carolina, during the entire year, the rain falls for 157.1 days and collects up to 31.06" (789mm) of precipitation.Snowfall
January through March and December are months with snowfall in Chester, South Carolina. December is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.67" (17mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 5:13 pm. On the last day of December, in Chester, sunrise is at 7:31 am and sunset at 5:24 pm EST.
Sunshine
The month with the least sunshine in Chester, South Carolina, is December, with an average of 5.5h of sunshine.UV index
The average daily maximum UV index in December in Chester is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the temperature in December in Chester?
What is the most humid month in Chester?
What is the average humidity in December in Chester?
How much does it rain in Chester in December?
When does it snow the most in Chester?
When does it start to snow in Chester?
What is the month with the shortest days in Chester?
How many hours of daylight does Chester have in December?
When are sunrise and sunset in December in Chester?
What is the month with the least sunshine in Chester?
How long on average sun shines in December in Chester?
How high is the UV index in December in Chester?
Average temperature in December
Chester, SC
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in December
Chester, 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
Chester, SC
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Chester, 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 (70%).
Average rainfall in December
Chester, SC
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Chester, SC
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in December
Chester, SC
- Average snowfall in December: 0.67"
The month with the highest snowfall is December (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Chester, SC
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.9 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
Chester, 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 3min
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 30min).
Average sunshine days in December
Chester, SC
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Chester, 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
Chester, 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 29).
Average visibility in December
Chester, 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).
Chester, South Carolina, USA
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