December weather forecastGreenville, FL
December
Weather in December
December, the first month of the winter in Greenville, is still a comfortable month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 47.3°F (8.5°C).Temperature
As December arrives, Greenville's weather displays a minor decrease in high-temperatures, transitioning from November's pleasant 70.7°F (21.5°C) to a refreshing 64.9°F (18.3°C). Greenville, in December, observes a steady average low-temperature of 47.3°F (8.5°C).Humidity
August and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Greenville, in December, during 10.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, in Greenville, there are 181.5 rainfall days, and 34.76" (883mm) of precipitation is accumulated.Snowfall
In Greenville, snow does not fall in March through December.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:14 am and sunset at 5:33 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:44 pm EST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year in Greenville.UV index
In December, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in December interprets into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Greenville, FL
- Average high temperature in December: 64.9°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in December: 47.3°F
The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (43°F).
Average pressure in December
Greenville, FL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in December
Greenville, FL
- Average wind speed in December: 6.4mph
The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Greenville, FL
- Average humidity in December: 78%
The months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Greenville, FL
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is August (5.2").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days in December
Greenville, FL
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is August (26.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall days in December
Greenville, FL
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Greenville, FL
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 36min
The months with the most sunshine are May and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Greenville, FL
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is August (3.7 days).
Average UV index in December
Greenville, FL
- Average UV index in December: 4
The months with the highest UV index are May, June and July (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Greenville, FL
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are May and October (Cloud cover 30).
Average visibility in December
Greenville, FL
- 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).





