Monthly Attribution Overview – November 2025

In November 2025, the United States experienced an average temperature anomaly of 2.1°F across 194 analyzed cities, with the western half of the country seeing exclusively above-average temperatures. The Southwest, South, and Northern Rockies and Plains were the most unusually hot regions, with anomalies exceeding 4.8°F. Waco, Texas, recorded the highest anomaly at 7.5°F. Long-term trends show 183 of 194 stations have warmed since 1970, with El Paso, Texas, seeing the greatest increase of 6.9°F. Climate attribution via the Climate Shift Index (CSI) highlighted San Juan, Puerto Rico, with 27 days at CSI 5, meaning temperatures were at least five times more likely due to climate change.

• Across 194 analyzed cities in the U.S., the average temperature anomaly for November 2025 was 2.1°F, with 139 cities recording hotter-than-average temperatures. The western half of the U.S. saw above-average temperatures in every city, and anomalies exceeded 4.8°F in the South, the Southwest, and the Northern Rockies and Plains.
• Waco, Texas, was the most unusually warm city in November 2025, with a temperature anomaly of 7.5°F.
• Since 1970, 183 of the 194 analyzed ACIS stations have shown warming trends for November. El Paso, Texas, experienced the most significant increase, with average November temperatures rising by 6.9°F since 1970.
• Climate attribution analysis using the Climate Shift Index (CSI) showed that San Juan, Puerto Rico, had 27 days in November at CSI 5, indicating climate change made those temperatures at least five times more likely. The Southwest region had the highest average number of days (9) with a CSI of 2 or above.
• The Northeast was the only region in the U.S. that was cooler than normal in November 2025, with temperatures 1.0°F below normal.

APA

Climate Central (2025). Monthly Attribution Overview – November 2025. https://www.climatecentral.org/report/monthly-attribution-overview-november-2025

Chicago

Climate Central. Monthly Attribution Overview – November 2025. 2025. https://www.climatecentral.org/report/monthly-attribution-overview-november-2025.

Wikipedia

{{cite report |author=Climate Central |title=Monthly Attribution Overview – November 2025 |date=2 December 2025 |url=https://www.climatecentral.org/report/monthly-attribution-overview-november-2025 |access-date=23 October 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{climatecentral2025monthly, author = {{Climate Central}}, title = {{Monthly Attribution Overview – November 2025}}, institution = {Climate Central}, year = {2025}, month = dec, url = {https://www.climatecentral.org/report/monthly-attribution-overview-november-2025}, urldate = {2026-10-23}, note = {Indexed by Climate Insights Directory} }