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United StatesThe weather in December in Rock Hill
It's cool to moderate in December in Rock Hill with an average temperature of 18°C. Temperatures this month range from a low of 15°C to a high of 21°C. At night, you can expect temperatures between 4°C and 12°C.
Looking for sun? December isn’t a good month to be in Rock Hill. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Rock Hill, Louisiana. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 29°C in 2021, Rock Hill reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -3°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -10°C to a highest value of 24°C.
Rainfall amount
In December, there is an average of 191 mm of precipitation, spread over 19 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in December for Rock Hill
Click on any day in December to get detailed info about the usual weather on that day in Rock Hill. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Rock Hill | New York | |
|---|---|---|
| Average temperature | 18°C | 9°C |
| Max. temperature | 21°C | 12°C |
| Min. temperature | 4°C | -5°C |
| Total precipitation | 191 mm | 133 mm |
| Rainy days | 19 days | 17 days |
Start of December
The month of December starts in Rock Hill with mild temps, averaging around 19°C during the day and nights around 7°C.
Mid December
By mid-December, daytime temps drop to around 18°C, with nights around 7°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Rock Hill is around 19°C, while nighttime temps are about 9°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
The hurricane season in Rock Hill runs from June to November.
Check out the climate of Rock Hill for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Rock Hill, Louisiana. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Rock Hill
Temperature in December in Rock Hill over the years
Precipitation charts
These charts show the average amount of precipitation in December in Rock Hill, Louisiana. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Rock Hill
Total precipitation in December in Rock Hill over the years
Daily UV index in December in Rock Hill
This chart shows the average daily UV index in December in Rock Hill, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Rock Hill
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Average weather in Rock Hill by month
Click on a month below to see detailed weather info for Rock Hill. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.