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The average temperature for the contiguous U.S. (CONUS) in May 2025 was 61.7°F, 1.5°F above the 20th-century average, ranking in the warmest third of the 131-year period of record.
The average temperature for the contiguous U.S. (CONUS) in April was 53.6°F, which is 2.6°F above the long-term average and ranks in the warmest third of the 131-year record.
The March global surface temperature was 2.36°F (1.31°C) above the 20th-century average of 54.9°F (12.7°C), making it the third-warmest March on record.