Clemson weather in December: Clemson, South Carolina: normal highs, lows, rain and records for December

Clemson in December has a normal high of 54°F and a normal low of 36°F, a daily mean of 45°F, falling from 57°F on the 1st to 52°F by the 31st. Measurable precipitation falls on 11 days in a normal December, 4.50 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 12°C and low of 2°C, 114 mm of precipitation in December.

  • NOAA stationClemson Oconee County Airport
  • Station IDUSW00053850
  • Location34.67°N 82.89°W
  • Elevation891 ft (272 m)
  • From the center4 miles
  • Population18,610
  1. Jan 52° 34°
  2. Feb 56° 36°
  3. Mar 64° 43°
  4. Apr 72° 50°
  5. May 79° 59°
  6. Jun 85° 66°
  7. Jul 89° 70°
  8. Aug 87° 69°
  9. Sep 82° 64°
  10. Oct 72° 52°
  11. Nov 62° 42°
  12. Dec 54° 36°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Clemson in December?

The normal high is 54°F and the normal low 36°F, for a daily mean of 45.0°F. December is 7.0°F cooler than November and 2.3°F warmer than January. December is the 11th warmest month of the year in Clemson and the 4th wettest. Across the month the normal high falls 5°F, from 57°F on December 1 to 52°F on December 31. From one year to the next December's mean temperature typically moves about 3.9°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 41°F and 49°F.

Clemson in December, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 38%).

Normal high and low on five days of December, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
December 157°F39°F34%21%
December 855°F37°F35%22%
December 1554°F36°F37%23%
December 2253°F35°F38%24%
December 3152°F34°F38%25%
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
Clemson: NOAA 1991-2020 daily normals for each day of December
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
December 157°F39°F34%21%10 h
December 257°F38°F34%21%10 h
December 357°F38°F34%22%10 h
December 456°F38°F35%22%10 h
December 556°F38°F35%22%10 h
December 656°F38°F35%22%10 h
December 756°F38°F35%22%10 h
December 855°F37°F35%22%10 h
December 955°F37°F36%23%9 h 50 min
December 1055°F37°F36%23%9 h 50 min
December 1155°F37°F36%23%9 h 50 min
December 1254°F37°F36%23%9 h 50 min
December 1354°F37°F36%23%9 h 50 min
December 1454°F36°F36%23%9 h 50 min
December 1554°F36°F37%23%9 h 50 min
December 1653°F36°F37%24%9 h 50 min
December 1753°F36°F37%24%9 h 50 min
December 1853°F36°F37%24%9 h 50 min
December 1953°F36°F37%24%9 h 50 min
December 2053°F36°F37%24%9 h 50 min
December 2153°F35°F37%24%9 h 50 min
December 2253°F35°F38%24%9 h 50 min
December 2352°F35°F38%25%9 h 50 min
December 2452°F35°F38%25%9 h 50 min
December 2552°F35°F38%25%9 h 50 min
December 2652°F35°F38%25%9 h 50 min
December 2752°F35°F38%25%9 h 50 min
December 2852°F35°F38%25%9 h 50 min
December 2952°F34°F38%25%9 h 50 min
December 3052°F34°F38%25%9 h 50 min
December 3152°F34°F38%25%9 h 50 min
Normal high
54°FDecember average
Normal low
36°FDecember average
Precipitation
4.50 inmonth total
Days with precipitation
110.01 inch or more
Nights at 32°F or colder
10
Daylight
10 h to 9 h 50 minDecember 1 to December 31
Days at 70°F or more
2
Sunshine
73%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00053850; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Clemson in December?

On a given December day the chance of 0.01 inch or more is 36% on average, highest around December 27 (38%). In all, 4.50 in falls on 11 days of a normal December, 2 of them with an inch or more.

In a normal December in Clemson, 10 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053850.

What are the records for December in Clemson?

The warmest December temperature on this station's record (since 1998) is 79°F, on December 12, 2007; the coldest is 6°F, on December 24, 2022. The wettest December brought 9.72 in (2018).

The December mean against the 1991-2020 normal of 45.0°F: 2021 53.3°F (+8.3), 2022 44.1°F (−0.9), 2023 47.4°F (+2.4), 2024 45.5°F (+0.5), 2025 46.4°F (+1.4). 4 of 5 ran warmer than normal.

Clemson: December in recent years against the 1991-2020 normal
DecemberMeanAgainst normalPrecip.
202153.3°F+8.3°F2.19 in
202244.1°F−0.9°F4.37 in
202347.4°F+2.4°F5.29 in
202445.5°F+0.5°F5.57 in
202546.4°F+1.4°F1.32 in

Source: records: ACIS, station USW00053850; recent months: ACIS, station USW00053850. Records and recent months use complete months only.

How does December in Clemson compare across South Carolina?

Across the 73 places PlainClimate covers in South Carolina, December normal highs run from 48°F in Caesars Head to 64°F in Hampton; Clemson's is 54°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places