Summary
The document reports that November 2025 was the third warmest on record globally and the fourth warmest for the contiguous U.S. It highlights a long-term trend of warming winters in the U.S., where the coldest day of the year has warmed by approximately 7°F since 1970. The briefing also notes significant regional anomalies, such as extreme warmth in Texas and heavy rainfall in southern California, while discussing the ongoing La Niña advisory and its expected impacts on weather patterns through early 2026.
Key insights
- Global temperatures in November 2025 were exceptionally high, ranking as the third warmest on record since 1850, with all ten hottest Novembers globally occurring since 2015.
- U.S. winters have experienced significant warming since 1970, with average temperatures rising by 3.9°F across 239 cities and the coldest day of the year warming by about 7°F across 242 locations.
- Cold outbreaks in the U.S. are becoming less frequent, less intense, and shorter in duration, having shortened by roughly six days on average across 244 cities between 1970 and 2023.
- Specific regional anomalies in November 2025 included record warmth in Idaho, Nevada, Oregon, Texas, and Utah, and extreme precipitation in southern California where some counties saw over 200% of average rainfall.
- A La Niña advisory is in effect due to below-normal sea surface temperatures in the tropical Pacific, a state expected to persist into early 2026 before transitioning to a neutral state by March.
Cite the original document
- APA
- Climate Central (2025). 2025 Winter Package. https://www.climatecentral.org/climate-briefings/november-2025
- Chicago
- Climate Central. 2025 Winter Package. 2025. https://www.climatecentral.org/climate-briefings/november-2025.
- Wikipedia
- {{cite report |author=Climate Central |title=2025 Winter Package |date=December 2025 |url=https://www.climatecentral.org/climate-briefings/november-2025 |access-date=23 October 2026 |via=Climate Insights Directory}}
- BibTeX
- @techreport{climatecentral20252025, author = {{Climate Central}}, title = {{2025 Winter Package}}, institution = {Climate Central}, year = {2025}, month = dec, url = {https://www.climatecentral.org/climate-briefings/november-2025}, urldate = {2026-10-23}, note = {Indexed by Climate Insights Directory} }
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