Data / Cooling degree days / South Carolina

Cooling degree days in South Carolina

Cooling degree days in South Carolina was 1,973 degree days (base 65°F) in 2025, according to NOAA National Centers for Environmental Information. That is down 7.7% from 2024. That is the 10th highest of 48 states in 2025.

2025, degree days (base 65°F)1,973
Change on 2024-7.7%
Rank10th of 48US states ranked
Series high2,3082016
Series low1,3491967

Next release: Wednesday, 6 October 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Cooling degree days in South Carolina, 1895 to 2025

1,2001,4001,6001,8002,0002,2002,400189519141933195219711990200920251895: 1,847 degree days (base 65°F)1896: 2,140 degree days (base 65°F)1897: 1,897 degree days (base 65°F)1898: 2,028 degree days (base 65°F)1899: 2,033 degree days (base 65°F)1900: 2,130 degree days (base 65°F)1901: 1,801 degree days (base 65°F)1902: 1,927 degree days (base 65°F)1903: 1,713 degree days (base 65°F)1904: 1,668 degree days (base 65°F)1905: 1,945 degree days (base 65°F)1906: 1,889 degree days (base 65°F)1907: 1,815 degree days (base 65°F)1908: 1,786 degree days (base 65°F)1909: 1,684 degree days (base 65°F)1910: 1,745 degree days (base 65°F)1911: 2,109 degree days (base 65°F)1912: 1,861 degree days (base 65°F)1913: 1,756 degree days (base 65°F)1914: 1,822 degree days (base 65°F)1915: 1,858 degree days (base 65°F)1916: 1,736 degree days (base 65°F)1917: 1,558 degree days (base 65°F)1918: 1,708 degree days (base 65°F)1919: 1,922 degree days (base 65°F)1920: 1,686 degree days (base 65°F)1921: 2,001 degree days (base 65°F)1922: 1,850 degree days (base 65°F)1923: 1,753 degree days (base 65°F)1924: 1,650 degree days (base 65°F)1925: 2,191 degree days (base 65°F)1926: 1,977 degree days (base 65°F)1927: 1,785 degree days (base 65°F)1928: 1,693 degree days (base 65°F)1929: 1,662 degree days (base 65°F)1930: 1,880 degree days (base 65°F)1931: 1,990 degree days (base 65°F)1932: 1,919 degree days (base 65°F)1933: 2,107 degree days (base 65°F)1934: 2,012 degree days (base 65°F)1935: 1,872 degree days (base 65°F)1936: 2,039 degree days (base 65°F)1937: 1,778 degree days (base 65°F)1938: 1,853 degree days (base 65°F)1939: 2,000 degree days (base 65°F)1940: 1,660 degree days (base 65°F)1941: 2,075 degree days (base 65°F)1942: 1,955 degree days (base 65°F)1943: 1,877 degree days (base 65°F)1944: 1,889 degree days (base 65°F)1945: 1,938 degree days (base 65°F)1946: 1,693 degree days (base 65°F)1947: 1,807 degree days (base 65°F)1948: 1,809 degree days (base 65°F)1949: 1,849 degree days (base 65°F)1950: 1,780 degree days (base 65°F)1951: 1,885 degree days (base 65°F)1952: 1,953 degree days (base 65°F)1953: 1,998 degree days (base 65°F)1954: 2,075 degree days (base 65°F)1955: 1,868 degree days (base 65°F)1956: 1,842 degree days (base 65°F)1957: 1,807 degree days (base 65°F)1958: 1,790 degree days (base 65°F)1959: 1,880 degree days (base 65°F)1960: 1,801 degree days (base 65°F)1961: 1,593 degree days (base 65°F)1962: 1,831 degree days (base 65°F)1963: 1,614 degree days (base 65°F)1964: 1,639 degree days (base 65°F)1965: 1,753 degree days (base 65°F)1966: 1,531 degree days (base 65°F)1967: 1,349 degree days (base 65°F)1968: 1,709 degree days (base 65°F)1969: 1,696 degree days (base 65°F)1970: 1,920 degree days (base 65°F)1971: 1,746 degree days (base 65°F)1972: 1,538 degree days (base 65°F)1973: 1,799 degree days (base 65°F)1974: 1,624 degree days (base 65°F)1975: 1,805 degree days (base 65°F)1976: 1,442 degree days (base 65°F)1977: 1,987 degree days (base 65°F)1978: 1,841 degree days (base 65°F)1979: 1,593 degree days (base 65°F)1980: 1,965 degree days (base 65°F)1981: 1,754 degree days (base 65°F)1982: 1,723 degree days (base 65°F)1983: 1,754 degree days (base 65°F)1984: 1,702 degree days (base 65°F)1985: 1,852 degree days (base 65°F)1986: 2,096 degree days (base 65°F)1987: 1,931 degree days (base 65°F)1988: 1,676 degree days (base 65°F)1989: 1,701 degree days (base 65°F)1990: 1,987 degree days (base 65°F)1991: 1,941 degree days (base 65°F)1992: 1,571 degree days (base 65°F)1993: 2,001 degree days (base 65°F)1994: 1,673 degree days (base 65°F)1995: 1,884 degree days (base 65°F)1996: 1,752 degree days (base 65°F)1997: 1,598 degree days (base 65°F)1998: 2,156 degree days (base 65°F)1999: 1,844 degree days (base 65°F)2000: 1,876 degree days (base 65°F)2001: 1,748 degree days (base 65°F)2002: 2,067 degree days (base 65°F)2003: 1,738 degree days (base 65°F)2004: 1,946 degree days (base 65°F)2005: 1,937 degree days (base 65°F)2006: 1,855 degree days (base 65°F)2007: 2,069 degree days (base 65°F)2008: 1,860 degree days (base 65°F)2009: 1,875 degree days (base 65°F)2010: 2,297 degree days (base 65°F)2011: 2,153 degree days (base 65°F)2012: 1,980 degree days (base 65°F)2013: 1,686 degree days (base 65°F)2014: 1,869 degree days (base 65°F)2015: 2,144 degree days (base 65°F)2016: 2,308 degree days (base 65°F)2017: 2,052 degree days (base 65°F)2018: 2,258 degree days (base 65°F)2019: 2,300 degree days (base 65°F)2020: 1,957 degree days (base 65°F)2021: 1,868 degree days (base 65°F)2022: 1,991 degree days (base 65°F)2023: 1,825 degree days (base 65°F)2024: 2,137 degree days (base 65°F)2025: 1,973 degree days (base 65°F)1,2501,5001,7502,0002,2502,50018951939198320252025: 1,973 degree days (base 65°F)
degree days (base 65°F). Source: NOAA NCEI, NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide. Retrieved 2026-10-12, published 2026-10-06.
All 131 values
Perioddegree days (base 65°F)
20251,973
20242,137
20231,825
20221,991
20211,868
20201,957
20192,300
20182,258
20172,052
20162,308
20152,144
20141,869
20131,686
20121,980
20112,153
20102,297
20091,875
20081,860
20072,069
20061,855
20051,937
20041,946
20031,738
20022,067
20011,748
20001,876
19991,844
19982,156
19971,598
19961,752
19951,884
19941,673
19932,001
19921,571
19911,941
19901,987
19891,701
19881,676
19871,931
19862,096
19851,852
19841,702
19831,754
19821,723
19811,754
19801,965
19791,593
19781,841
19771,987
19761,442
19751,805
19741,624
19731,799
19721,538
19711,746
19701,920
19691,696
19681,709
19671,349
19661,531
19651,753
19641,639
19631,614
19621,831
19611,593
19601,801
19591,880
19581,790
19571,807
19561,842
19551,868
19542,075
19531,998
19521,953
19511,885
19501,780
19491,849
19481,809
19471,807
19461,693
19451,938
19441,889
19431,877
19421,955
19412,075
19401,660
19392,000
19381,853
19371,778
19362,039
19351,872
19342,012
19332,107
19321,919
19311,990
19301,880
19291,662
19281,693
19271,785
19261,977
19252,191
19241,650
19231,753
19221,850
19212,001
19201,686
19191,922
19181,708
19171,558
19161,736
19151,858
19141,822
19131,756
19121,861
19112,109
19101,745
19091,684
19081,786
19071,815
19061,889
19051,945
19041,668
19031,713
19021,927
19011,801
19002,130
18992,033
18982,028
18971,897
18962,140
18951,847

Compared with United States

Place2025
South Carolina1,973
United States1,502

South Carolina compared with nearby places

Alabama: 2,092 degree days (base 65°F)Arizona: 3,330 degree days (base 65°F)Arkansas: 1,990 degree days (base 65°F)California: 948 degree days (base 65°F)Colorado: 348 degree days (base 65°F)Connecticut: 695 degree days (base 65°F)Delaware: 1,171 degree days (base 65°F)Florida: 3,882 degree days (base 65°F)Georgia: 1,831 degree days (base 65°F)Idaho: 627 degree days (base 65°F)Illinois: 1,038 degree days (base 65°F)Indiana: 1,041 degree days (base 65°F)Iowa: 953 degree days (base 65°F)Kansas: 1,488 degree days (base 65°F)Kentucky: 1,400 degree days (base 65°F)Louisiana: 3,033 degree days (base 65°F)Maine: 282 degree days (base 65°F)Maryland: 1,209 degree days (base 65°F)Massachusetts: 587 degree days (base 65°F)Michigan: 670 degree days (base 65°F)Minnesota: 522 degree days (base 65°F)Mississippi: 2,510 degree days (base 65°F)Missouri: 1,413 degree days (base 65°F)Montana: 237 degree days (base 65°F)Nebraska: 1,096 degree days (base 65°F)Nevada: 2,339 degree days (base 65°F)New Hampshire: 386 degree days (base 65°F)New Jersey: 926 degree days (base 65°F)New Mexico: 1,145 degree days (base 65°F)New York: 716 degree days (base 65°F)North Carolina: 1,533 degree days (base 65°F)North Dakota: 474 degree days (base 65°F)Ohio: 910 degree days (base 65°F)Oklahoma: 2,019 degree days (base 65°F)Oregon: 379 degree days (base 65°F)Pennsylvania: 788 degree days (base 65°F)Rhode Island: 633 degree days (base 65°F)South Carolina: 1,973 degree days (base 65°F)South Dakota: 767 degree days (base 65°F)Tennessee: 1,575 degree days (base 65°F)Texas: 3,219 degree days (base 65°F)Utah: 673 degree days (base 65°F)Vermont: 301 degree days (base 65°F)Virginia: 1,212 degree days (base 65°F)Washington: 298 degree days (base 65°F)West Virginia: 949 degree days (base 65°F)Wisconsin: 589 degree days (base 65°F)Wyoming: 332 degree days (base 65°F)
  • Under 460
  • 460 to 690
  • 690 to 950
  • 950 to 1,300
  • 1,300 to 2,000
  • 2,000 and over
  • No data
Cooling degree days, 2025, degree days (base 65°F). South Carolina is outlined. Same source and period for every area shown. Source: NOAA National Centers for Environmental Information. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Definition

Sum over January to December of the degrees by which the daily mean temperature exceeds 65°F, a measure of cooling demand. NOAA estimates monthly values from nClimDiv temperatures and weights areas by population (2010 Census).

NOAA publishes these for operational monitoring; they can differ from official degree day publications.

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How to cite

NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/38/cdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.

Citation styles

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APA 7

NOAA National Centers for Environmental Information. (2026). NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide (Cooling degree days, South Carolina, 1895 to 2025) [Data set]. Retrieved October 12, 2026, from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/38/cdd/12/12/1895-2025/data.json

MLA 9

NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide, Cooling degree days, South Carolina, 1895 to 2025. NOAA National Centers for Environmental Information, 6 Oct. 2026, https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/38/cdd/12/12/1895-2025/data.json. Invokely, https://invokely.ai/en/cooling-degree-days/south-carolina. Accessed 12 Oct. 2026.

Chicago (author-date)

NOAA National Centers for Environmental Information. 2026. NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide. Cooling degree days, South Carolina, 1895 to 2025. Dataset. Accessed October 12, 2026. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/38/cdd/12/12/1895-2025/data.json. Also distributed by Invokely, https://invokely.ai/en/cooling-degree-days/south-carolina.

Harvard

NOAA National Centers for Environmental Information (2026) NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide, Cooling degree days, South Carolina, 1895 to 2025 [Dataset]. Available at: https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/38/cdd/12/12/1895-2025/data.json, via Invokely: https://invokely.ai/en/cooling-degree-days/south-carolina (Accessed: 12 October 2026).

BibTeX
@misc{noaa_cooling_degree_days_south_2025,
  author = {{NOAA National Centers for Environmental Information}},
  title = {{NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide: Cooling degree days, South Carolina, 1895 to 2025}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/38/cdd/12/12/1895-2025/data.json},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/cooling-degree-days/south-carolina. Publisher attribution: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/38/cdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - NOAA National Centers for Environmental Information
TI  - NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide: Cooling degree days, South Carolina, 1895 to 2025
PY  - 2026
DA  - 2026/10/06
PB  - NOAA National Centers for Environmental Information
DB  - Invokely
UR  - https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/38/cdd/12/12/1895-2025/data.json
L2  - https://invokely.ai/en/cooling-degree-days/south-carolina
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/cooling-degree-days/south-carolina.
N1  - Publisher attribution: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/38/cdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
ER  -
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Questions

What is the cooling degree days in South Carolina?

Cooling degree days in South Carolina was 1,973 degree days (base 65°F) in 2025, according to NOAA National Centers for Environmental Information. That is down 7.7% from 2024. That is the 10th highest of 48 states in 2025.

Where does this figure come from?

NOAA National Centers for Environmental Information. NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide. Retrieved by Invokely on 2026-10-12.

What was the highest cooling degree days in South Carolina?

2,308 degree days (base 65°F) in 2016, the highest value since 1895 in this series.

Cooling degree days elsewhere in United States

Related statistics for South Carolina

All statistics for South Carolina | South Carolina in figures