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 beginning of December brings a slight decrease in the average high-temperature, transitioning from a mild 59.7°F (15.4°C) in November to a fresh 52.5°F (11.4°C). In Parker, December nights witness a steady temperature drop to an icy 38.1°F (3.4°C).Humidity
The most humid month in Parker is December, with an average relative humidity of 76%.Rainfall
December is the month with the most rainfall. Rain falls for 10.5 days and accumulates 3.39" (86mm) of precipitation.Snowfall
Months with snowfall in Parker are January through March, November and December. The month with the most snowfall in Parker is December, when snow falls for 0.5 days and typically aggregates up to 1.81" (46mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:29 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Enhance your sun protection with tightly woven, yet airy clothing. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Parker in December?
What is the most humid month in Parker?
What is the average humidity in December in Parker?
What is the wettest month in Parker?
How many days does it rain in December in Parker?
What is the snowiest month in Parker?
How much does it snow in Parker in December?
What is the month with the shortest days in Parker?
What is the average length of the day in December in Parker?
When are sunrise and sunset in December in Parker?
What is the month with the least sunshine in Parker?
How long on average sun shines in December in Parker?
What is the month with the lowest UV index in Parker?
What is the UV index reading in December in Parker?
Average temperature in December
Parker, SC
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (49.3°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in December
Parker, SC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Parker, SC
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Parker, 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 (69%).
Average rainfall in December
Parker, SC
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Parker, SC
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in December
Parker, SC
- Average snowfall in December: 1.81"
The month with the highest snowfall is December (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Parker, 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 and October (0 days).
Average daylight in December /
Average sunshine in December
Parker, 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 54min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Parker, SC
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is August (13.2 days).
Average UV index in December
Parker, 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
Parker, SC
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in December
Parker, 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).
Parker, South Carolina, USA
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