# US states by cooling degree days, 2025

All 48 values come from NOAA National Centers for Environmental Information for 2025, so the places are comparable.

- Indicator id: `cooling_degree_days_annual`
- Unit: degree days (base 65°F)
- 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).
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December cooling degree days (base 65°F), contiguous US and statewide (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/8/cdd/12/12/1895-2025/data.json)
- Publisher page: https://invokely.ai/en/publishers/noaa-ncei
- Retrieved: 2026-10-12
- Citation: 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/8/cdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/cooling-degree-days/us-states

| Rank | Place | degree days (base 65°F) |
|---:|---|---:|
| 1 | Florida | 3,882 |
| 2 | Arizona | 3,330 |
| 3 | Texas | 3,219 |
| 4 | Louisiana | 3,033 |
| 5 | Mississippi | 2,510 |
| 6 | Nevada | 2,339 |
| 7 | Alabama | 2,092 |
| 8 | Oklahoma | 2,019 |
| 9 | Arkansas | 1,990 |
| 10 | South Carolina | 1,973 |
| 11 | Georgia | 1,831 |
| 12 | Tennessee | 1,575 |
| 13 | North Carolina | 1,533 |
| 14 | Kansas | 1,488 |
| 15 | Missouri | 1,413 |
| 16 | Kentucky | 1,400 |
| 17 | Virginia | 1,212 |
| 18 | Maryland | 1,209 |
| 19 | Delaware | 1,171 |
| 20 | New Mexico | 1,145 |
| 21 | Nebraska | 1,096 |
| 22 | Indiana | 1,041 |
| 23 | Illinois | 1,038 |
| 24 | Iowa | 953 |
| 25 | West Virginia | 949 |
| 26 | California | 948 |
| 27 | New Jersey | 926 |
| 28 | Ohio | 910 |
| 29 | Pennsylvania | 788 |
| 30 | South Dakota | 767 |
| 31 | New York | 716 |
| 32 | Connecticut | 695 |
| 33 | Utah | 673 |
| 34 | Michigan | 670 |
| 35 | Rhode Island | 633 |
| 36 | Idaho | 627 |
| 37 | Wisconsin | 589 |
| 38 | Massachusetts | 587 |
| 39 | Minnesota | 522 |
| 40 | North Dakota | 474 |
| 41 | New Hampshire | 386 |
| 42 | Oregon | 379 |
| 43 | Colorado | 348 |
| 44 | Wyoming | 332 |
| 45 | Vermont | 301 |
| 46 | Washington | 298 |
| 47 | Maine | 282 |
| 48 | Montana | 237 |