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January 2025 ranked as the fifth-warmest January in NOAA’s 177-year record, with a global surface temperature 2.02°F (1.12°C) higher than the 20th-century baseline.
The average temperature for the contiguous U.S. in January was 33.2°F, 3.1°F above the 20th-century average, ranking in the warmest third of the 132-year record.
2025 ranked as the third-warmest year in NOAA’s 176-year record, with a global surface temperature 2.11°F (1.17°C) higher than the 20th-century baseline.
Annual temperatures across the contiguous U.S. (CONUS) averaged 54.6°F in 2025, which was 2.6°F above the 20th-century average and ranked as the fourth-warmest year in the 131-year record.