Weather in Greenville in December 2025
Average weather
Average temperature in Greenville in December
The expected average maximum temperature in December is +14°C with a maximum of +20°C and a minimum of -3°C.
The average maximum temperature goes up 17% by the end of the month, compared with the beginning of the month, from +9°C to +13°C.
Is Greenville warm or cold in December?
Greenville is typically mild in December.
Maximum temperatures go down compared to the previous month from +17°C to +12°C. The minimum temperature also goes down from +6°C to +2°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
December is one of the coolest months in Greenville, here is the comparison with other months:
Climate in Greenville in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +17°C | +12°C | +11°C | ||||
| Min. temperature | ||||||
| -7°C | -15°C | -20°C | ||||
| Max. temperature | ||||||
| +28°C | +25°C | +26°C | ||||
| Rainfall | ||||||
| 97 mm | 93 mm | 94 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 68% | 68% | 66% | ||||
| Air pressure | ||||||
| 1019 HPa | 1020 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 13 | 12 | 12 | ||||
| Cloudy days | ||||||
| 6 | 7 | 6 | ||||
| Rainy days | ||||||
| 11 | 11 | 10 | ||||
| Snowy days | ||||||
| 0 | 2 | 3 | ||||
December weather is still as good as in November. It’s getting colder in December. From +17°C in the day, the average maximum temperature lowers to +12°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 97 mm to 93 mm. Humidity levels don’t change as the month goes on, averaging around 68%. The average wind speed doesn’t change much during December, staying around 2 m/s. The days becoming less sunny, going from 13 sunny days in November to 12 in December.
January brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Greenville is gradually increasing during December, going from 1 m/s to 3 m/s over the course of the month.
Rain
Snow
December is one of the snowiest months in Greenville.
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Greenville?
Climate Change over Years
The climate in Greenville in December has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+20°C) and the highest in 2016 (+24°C). The driest year was 2007 with only 706 mm of rainfall, and the wettest year was 2024 with 2324 mm.
FAQ
Is December a good time to visit Greenville?
Can you sunbathe in Greenville in December?
Is Greenville rainy in December?
Is it sunny in Greenville in December?
Other cities in USA
Monthly weather in Greenville
Source of the data
For this page, we’ve looked at the typical weather in Greenville, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
