Data / Heating degree days / Colorado

Heating degree days in Colorado

Heating degree days in Colorado was 6,554 degree days (base 65°F) in 2025, according to NOAA National Centers for Environmental Information. That is up 0.1% from 2024. That is the 11th highest of 48 states in 2025.

2025, degree days (base 65°F)6,554
Change on 2024+0.1%
Rank11th of 48US states ranked
Series high8,5231912
Series low6,3972012

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Heating degree days in Colorado, 1895 to 2025

6,0006,5007,0007,5008,0008,5009,000189519141933195219711990200920251895: 8,322 degree days (base 65°F)1896: 7,510 degree days (base 65°F)1897: 7,690 degree days (base 65°F)1898: 8,162 degree days (base 65°F)1899: 8,065 degree days (base 65°F)1900: 7,159 degree days (base 65°F)1901: 7,438 degree days (base 65°F)1902: 7,444 degree days (base 65°F)1903: 8,051 degree days (base 65°F)1904: 7,284 degree days (base 65°F)1905: 7,920 degree days (base 65°F)1906: 7,686 degree days (base 65°F)1907: 7,391 degree days (base 65°F)1908: 7,662 degree days (base 65°F)1909: 7,989 degree days (base 65°F)1910: 6,897 degree days (base 65°F)1911: 7,551 degree days (base 65°F)1912: 8,523 degree days (base 65°F)1913: 8,219 degree days (base 65°F)1914: 7,562 degree days (base 65°F)1915: 7,891 degree days (base 65°F)1916: 7,975 degree days (base 65°F)1917: 8,087 degree days (base 65°F)1918: 7,847 degree days (base 65°F)1919: 7,956 degree days (base 65°F)1920: 7,967 degree days (base 65°F)1921: 7,035 degree days (base 65°F)1922: 7,783 degree days (base 65°F)1923: 8,070 degree days (base 65°F)1924: 8,279 degree days (base 65°F)1925: 7,466 degree days (base 65°F)1926: 7,552 degree days (base 65°F)1927: 7,547 degree days (base 65°F)1928: 7,766 degree days (base 65°F)1929: 8,352 degree days (base 65°F)1930: 7,907 degree days (base 65°F)1931: 7,391 degree days (base 65°F)1932: 7,901 degree days (base 65°F)1933: 7,117 degree days (base 65°F)1934: 6,447 degree days (base 65°F)1935: 7,388 degree days (base 65°F)1936: 7,373 degree days (base 65°F)1937: 7,845 degree days (base 65°F)1938: 7,334 degree days (base 65°F)1939: 7,171 degree days (base 65°F)1940: 7,296 degree days (base 65°F)1941: 7,419 degree days (base 65°F)1942: 7,834 degree days (base 65°F)1943: 7,205 degree days (base 65°F)1944: 7,729 degree days (base 65°F)1945: 7,673 degree days (base 65°F)1946: 7,176 degree days (base 65°F)1947: 7,632 degree days (base 65°F)1948: 7,837 degree days (base 65°F)1949: 7,648 degree days (base 65°F)1950: 7,242 degree days (base 65°F)1951: 8,036 degree days (base 65°F)1952: 7,617 degree days (base 65°F)1953: 7,113 degree days (base 65°F)1954: 6,642 degree days (base 65°F)1955: 7,711 degree days (base 65°F)1956: 7,338 degree days (base 65°F)1957: 7,661 degree days (base 65°F)1958: 7,243 degree days (base 65°F)1959: 7,626 degree days (base 65°F)1960: 7,664 degree days (base 65°F)1961: 7,808 degree days (base 65°F)1962: 7,369 degree days (base 65°F)1963: 7,052 degree days (base 65°F)1964: 7,824 degree days (base 65°F)1965: 7,580 degree days (base 65°F)1966: 7,509 degree days (base 65°F)1967: 7,416 degree days (base 65°F)1968: 7,716 degree days (base 65°F)1969: 7,542 degree days (base 65°F)1970: 7,651 degree days (base 65°F)1971: 7,696 degree days (base 65°F)1972: 7,563 degree days (base 65°F)1973: 7,852 degree days (base 65°F)1974: 7,459 degree days (base 65°F)1975: 7,752 degree days (base 65°F)1976: 7,398 degree days (base 65°F)1977: 6,993 degree days (base 65°F)1978: 7,658 degree days (base 65°F)1979: 7,858 degree days (base 65°F)1980: 7,305 degree days (base 65°F)1981: 6,679 degree days (base 65°F)1982: 7,660 degree days (base 65°F)1983: 7,760 degree days (base 65°F)1984: 7,808 degree days (base 65°F)1985: 7,789 degree days (base 65°F)1986: 6,881 degree days (base 65°F)1987: 7,241 degree days (base 65°F)1988: 7,364 degree days (base 65°F)1989: 7,289 degree days (base 65°F)1990: 7,203 degree days (base 65°F)1991: 7,229 degree days (base 65°F)1992: 7,137 degree days (base 65°F)1993: 7,780 degree days (base 65°F)1994: 6,851 degree days (base 65°F)1995: 7,217 degree days (base 65°F)1996: 7,191 degree days (base 65°F)1997: 7,452 degree days (base 65°F)1998: 6,966 degree days (base 65°F)1999: 6,766 degree days (base 65°F)2000: 6,877 degree days (base 65°F)2001: 6,876 degree days (base 65°F)2002: 7,230 degree days (base 65°F)2003: 6,843 degree days (base 65°F)2004: 6,961 degree days (base 65°F)2005: 6,832 degree days (base 65°F)2006: 6,923 degree days (base 65°F)2007: 7,156 degree days (base 65°F)2008: 7,453 degree days (base 65°F)2009: 7,353 degree days (base 65°F)2010: 7,057 degree days (base 65°F)2011: 7,397 degree days (base 65°F)2012: 6,397 degree days (base 65°F)2013: 7,480 degree days (base 65°F)2014: 7,155 degree days (base 65°F)2015: 6,668 degree days (base 65°F)2016: 6,672 degree days (base 65°F)2017: 6,479 degree days (base 65°F)2018: 6,872 degree days (base 65°F)2019: 7,498 degree days (base 65°F)2020: 6,814 degree days (base 65°F)2021: 6,723 degree days (base 65°F)2022: 7,212 degree days (base 65°F)2023: 7,282 degree days (base 65°F)2024: 6,547 degree days (base 65°F)2025: 6,554 degree days (base 65°F)
degree days (base 65°F). Source: NOAA NCEI, NOAA Climate at a Glance, January to December heating 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)
20256,554
20246,547
20237,282
20227,212
20216,723
20206,814
20197,498
20186,872
20176,479
20166,672
20156,668
20147,155
20137,480
20126,397
20117,397
20107,057
20097,353
20087,453
20077,156
20066,923
20056,832
20046,961
20036,843
20027,230
20016,876
20006,877
19996,766
19986,966
19977,452
19967,191
19957,217
19946,851
19937,780
19927,137
19917,229
19907,203
19897,289
19887,364
19877,241
19866,881
19857,789
19847,808
19837,760
19827,660
19816,679
19807,305
19797,858
19787,658
19776,993
19767,398
19757,752
19747,459
19737,852
19727,563
19717,696
19707,651
19697,542
19687,716
19677,416
19667,509
19657,580
19647,824
19637,052
19627,369
19617,808
19607,664
19597,626
19587,243
19577,661
19567,338
19557,711
19546,642
19537,113
19527,617
19518,036
19507,242
19497,648
19487,837
19477,632
19467,176
19457,673
19447,729
19437,205
19427,834
19417,419
19407,296
19397,171
19387,334
19377,845
19367,373
19357,388
19346,447
19337,117
19327,901
19317,391
19307,907
19298,352
19287,766
19277,547
19267,552
19257,466
19248,279
19238,070
19227,783
19217,035
19207,967
19197,956
19187,847
19178,087
19167,975
19157,891
19147,562
19138,219
19128,523
19117,551
19106,897
19097,989
19087,662
19077,391
19067,686
19057,920
19047,284
19038,051
19027,444
19017,438
19007,159
18998,065
18988,162
18977,690
18967,510
18958,322

Compared with United States

Place2025
Colorado6,554
United States4,062

Rankings

Definition

Sum over January to December of the degrees by which the daily mean temperature falls below 65°F, a measure of heating 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.

How to cite

NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December heating 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/5/hdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

NOAA National Centers for Environmental Information. (2026). NOAA Climate at a Glance, January to December heating degree days (base 65°F), contiguous US and statewide (Heating degree days, Colorado, 1895 to 2025) [Data set]. Retrieved October 12, 2026, from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/5/hdd/12/12/1895-2025/data.json

MLA 9

NOAA Climate at a Glance, January to December heating degree days (base 65°F), contiguous US and statewide, Heating degree days, Colorado, 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/5/hdd/12/12/1895-2025/data.json. Invokely, https://invokely.ai/en/heating-degree-days/colorado. Accessed 12 Oct. 2026.

Chicago (author-date)

NOAA National Centers for Environmental Information. 2026. NOAA Climate at a Glance, January to December heating degree days (base 65°F), contiguous US and statewide. Heating degree days, Colorado, 1895 to 2025. Dataset. Accessed October 12, 2026. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/5/hdd/12/12/1895-2025/data.json. Also distributed by Invokely, https://invokely.ai/en/heating-degree-days/colorado.

Harvard

NOAA National Centers for Environmental Information (2026) NOAA Climate at a Glance, January to December heating degree days (base 65°F), contiguous US and statewide, Heating degree days, Colorado, 1895 to 2025 [Dataset]. Available at: https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/5/hdd/12/12/1895-2025/data.json, via Invokely: https://invokely.ai/en/heating-degree-days/colorado (Accessed: 12 October 2026).

BibTeX
@misc{noaa_heating_degree_days_colorado_2025,
  author = {{NOAA National Centers for Environmental Information}},
  title = {{NOAA Climate at a Glance, January to December heating degree days (base 65°F), contiguous US and statewide: Heating degree days, Colorado, 1895 to 2025}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/5/hdd/12/12/1895-2025/data.json},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/heating-degree-days/colorado. Publisher attribution: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December heating 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/5/hdd/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 heating degree days (base 65°F), contiguous US and statewide: Heating degree days, Colorado, 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/5/hdd/12/12/1895-2025/data.json
L2  - https://invokely.ai/en/heating-degree-days/colorado
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/heating-degree-days/colorado.
N1  - Publisher attribution: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December heating 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/5/hdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
ER  -
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Questions

What is the heating degree days in Colorado?

Heating degree days in Colorado was 6,554 degree days (base 65°F) in 2025, according to NOAA National Centers for Environmental Information. That is up 0.1% from 2024. That is the 11th 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 heating degree days (base 65°F), contiguous US and statewide. Retrieved by Invokely on 2026-10-12.

What was the highest heating degree days in Colorado?

8,523 degree days (base 65°F) in 1912, the highest value since 1895 in this series.

Heating degree days elsewhere in United States

Related statistics for Colorado

All statistics for Colorado | Colorado in figures