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 reveals a small adjustment in temperature, transitioning from an average high of an enjoyable 63.7°F (17.6°C) in November to a cool 54.9°F (12.7°C). Greenville cools down to an average low-temperature of 40.6°F (4.8°C) throughout the month of December.Humidity
In December, the average relative humidity in Greenville, Texas, is 73%.Rainfall
In December, the rain falls for 11.3 days. Throughout December, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 154.6 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
In Greenville, snow does not fall in April through October and December.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:17 pm. On the last day of December, in Greenville, sunrise is at 7:27 am and sunset at 5:27 pm CST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 3 suggests this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the average December temperature in Greenville?
What is the average humidity in December in Greenville?
How much does it rain in Greenville in December?
When it does not snow in Greenville?
Does it snow in Greenville in December?
What is the month with the shortest days in Greenville?
What is the average length of the day in December in Greenville?
When is the sunrise / sunset in December in Greenville?
What is the month with the least sunshine in Greenville?
How long on average sun shines in December in Greenville?
What are the months with the lowest UV index in Greenville?
What is the UV index reading in December in Greenville?
Average temperature in December
Greenville, TX
- Average high temperature in December: 54.9°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in December
Greenville, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Greenville, TX
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.4mph).
Average humidity in December
Greenville, TX
- Average humidity in December: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Greenville, TX
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is October (4.29").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in December
Greenville, TX
- Average rainfall days in December: 11.3 days
The months with the highest number of rainy days are May and September (15.8 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Greenville, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Greenville, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.5 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, TX
- 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 2min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Greenville, TX
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (13 days).
Average UV index in December
Greenville, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Greenville, TX
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Greenville, TX
- 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).
Greenville, Texas, USA
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