Globally, May 2025 was the second-warmest May in NOAA’s 176-year record, with a temperature 1.98°F (1.10°C) higher than the 20th-century baseline.
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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 April global surface temperature was 2.20°F (1.22°C) above the 20th-century average, making it the second-warmest April on 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.
View Products View Products View Products Leveraging NOAA’s environmental data improves risk modeling and analysis for the insurance sector, supporting faster recovery from extreme events and informing decision making surrounding insurance pricing and individual risk. NOAA data validates property
By improving NOAA environmental data that informs building design, codes, and standards, we are building resilience for a prosperous future. Construction, both private and public, was valued at $2.2 trillion in 2024 – all of it impacted by weather and climate. Extreme weather events such as flooding
View Products View Products View Products We are developing environmental data and information references that enhance supply chain resilience, protect economic investments, and safeguard personnel. As the largest private sector employer in the U.S. economy (representing 6.4 percent of the country’s
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.
The average temperature of the contiguous U.S. in March was 46.9°F, 5.4°F above average.
The March 2025 three-month summaries of temperature and precipitation impacts and outlooks are now available for 13 regions and sub regions.
NCEI is excited to celebrate Citizen Science month by collaborating with MBARI and the FathomVerse mobile game.
The February global surface temperature was 2.27°F (1.26°C) above the 20th-century average of 53.8°F (12.1°C), making it the third-warmest February on record.
The average temperature of the contiguous U.S. in February was 34.9°F, 1.0°F above average, ranking in the middle third of the 131-year record.
January temperature marks a new global milestone. Temperatures were above average over much of the globe, but much below average over the United States, Greenland, and far eastern Russia.