UBS’s energy team convened a discussion with meteorologist James Block to evaluate how an exceptionally strong El Niño weather pattern will influence energy markets heading into winter. The current El Niño ranks as the strongest recorded since modern temperature monitoring began in the 1950s, with ocean temperature anomalies potentially exceeding 3.5°C. Block indicated the event will reach its peak in January before gradually declining, returning to baseline conditions by May 2027.
The warming trend is anticipated to bring measurable relief to energy consumers across multiple regions. Northern portions of the United States, including the Northern Plains and Northeast, are forecast to experience temperatures 1.5°C to 3°C above historical averages. European temperatures, while showing less dramatic warming signals, are still projected to run 0.5°C to 1.5°C above normal across Southern and Central Europe. Parts of Asia, particularly India and Japan, are expected to see above-normal warmth. However, the Southern United States, notably Texas, may experience cooler and wetter conditions than typical, though the probability of extreme freeze events remains below average.
Block cautioned that milder overall conditions do not preclude isolated severe weather episodes. He identified late January through early February as the window when “black swan” events such as powerful nor’easters, heavy snowstorms, and ice storms could occur, though such occurrences would likely be brief, lasting one to two weeks. These potential events could temporarily create sharp heating demand spikes despite the season’s generally mild trajectory.
Beyond temperature patterns, the discussion addressed broader weather impacts. Wind conditions across the United States are expected to strengthen due to a more southerly storm track, benefiting wind power generation. The Atlantic hurricane season has remained unusually quiet to date with minimal significant storms anticipated. Southern regions of the United States face elevated precipitation, which could improve water availability, while Europe is projected to experience drier-than-average conditions alongside warming temperatures.
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