January Was Hottest January on Record, Scientists Report NYT > Climate and Environment By:Raymond Zhong 5 February 2025 at 21:00 Earthβs prolonged streak of abnormal heat continued into 2025 despite the arrival of La NiΓ±a ocean conditions, which typically bring cooler temperatures. Β© Mario Tama/Getty ImagesLooking west on the Pacific Ocean from Pacific Palisades, Calif., on Jan. 9.