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 indicates a minor shift in the average high-temperature, from November's refreshing 60.3°F (15.7°C) to a fresh 54°F (12.2°C). Greenville observes an average nighttime low-temperature of 39.4°F (4.1°C) during the month of December.Humidity
In December, the average relative humidity in Greenville is 78%.Rainfall
In Greenville, during December, the rain falls for 10.8 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Greenville, during the entire year, the rain falls for 165.6 days and collects up to 33.94" (862mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.43" (11mm) of snow. In Greenville, during the entire year, snow falls for 3.5 days and aggregates up to 2.6" (66mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:18 am and sunset at 5:06 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.5h of sunshine.UV index
In December, the average daily maximum UV index in Greenville is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 in December translates into these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Greenville have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Greenville have in December?
How high is the UV index in December?
Average temperature in December
Greenville, NC
- Average high temperature in December: 54°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in December: 39.4°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Greenville, NC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Greenville, NC
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Greenville, NC
- Average humidity in December: 78%
The months with the highest relative humidity are May, July, August and September (79%).
The month with the lowest relative humidity is January (74%).
Average rainfall in December
Greenville, NC
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in December
Greenville, NC
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (19.6 days).
The months with the least rainy days are October and November (9.4 days).
Average snowfall in December
Greenville, NC
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Greenville, NC
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.4 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
Greenville, NC
- 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Greenville, NC
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in December
Greenville, NC
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Greenville, NC
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Greenville, NC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Greenville, North Carolina, USA
Weather forecast for your location
2. Allow the app to use your location