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 witnesses a gentle descent in average high-temperature, descending from November's enjoyable 63.5°F (17.5°C) to a moderate 57.4°F (14.1°C). During the month of December, Greeleyville's nighttime temperature lowers to an average of 42.3°F (5.7°C).Humidity
In December, the average relative humidity in Greeleyville is 78%.Rainfall
In Greeleyville, in December, during 9.9 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In Greeleyville, during the entire year, the rain falls for 168.1 days and collects up to 33.43" (849mm) of precipitation.Snowfall
March through December are months without snowfall in Greeleyville.Daylight
The month with the shortest days in Greeleyville is December, with an average of 10h and 0min of daylight.On the first day of December in Greeleyville, sunrise is at 7:06 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:22 pm EST.
Sunshine
January and December, with an average of 5.7h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the temperature in December in Greeleyville?
What is the average humidity in December in Greeleyville?
How much does it rain in Greeleyville in December?
When it does not snow in Greeleyville?
Does it snow in Greeleyville in December?
What is the month with the shortest days in Greeleyville?
What is the average length of the day in December in Greeleyville?
When are sunrise and sunset in December in Greeleyville?
What is the month with the least sunshine in Greeleyville?
How long on average sun shines in December in Greeleyville?
When is the lowest UV index in Greeleyville?
How high is the UV index in December in Greeleyville?
Average temperature in December
Greeleyville, SC
- Average high temperature in December: 57.4°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (53.8°F).
- Average low temperature in December: 42.3°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in December
Greeleyville, 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
Greeleyville, SC
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Greeleyville, SC
- Average humidity in December: 78%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (73%).
Average rainfall in December
Greeleyville, SC
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
Greeleyville, SC
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Greeleyville, SC
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Greeleyville, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.6 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
Greeleyville, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in December
Greeleyville, SC
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (6.1 days).
Average UV index in December
Greeleyville, SC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Greeleyville, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Greeleyville, SC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Greeleyville, South Carolina, USA
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