State of the Global Climate 2024

Publication

19 March 2025

Key messages

Key climate change indicators again reach record levels
Long-term warming (averaged over decades) remains below 1.5°C
Sea-level rise and ocean warming irreversible for hundreds of years
Record greenhouse gas concentrations combined with El Niño and other factors to drive 2024 record heat
Early warnings and climate services are vital to protect communities and economies

Supplement: State of Climate Services 2024

Supplement: Significant Weather & Climate Events 2024

The clear signs of human-induced climate change reached new heights in 2024, which was likely the first calendar year to be more than 1.5°C above the pre-industrial era, with a global mean near-surface temperature of 1.55 ± 0.13 °C above the 1850-1900 average.

This is the warmest year in the 175-year observational record. The State of the Global Climate 2024 report underlined the massive economic and social upheavals from extreme weather and the long-term impacts of record ocean heat and sea-level rise.

Featured articles explore progress towards the Paris Agreement goals and the drivers behind 2024’s record heat. Supplementary reports detail climate services and major events, including floods, droughts, tropical cyclones and wildfires, underscoring the urgent need for stronger early warning systems and investment in climate services to protect lives and livelihoods.

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Press Release

Other resources

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State of the Climate 2024: User Survey

This survey is intended for users of WMO’s State of the Climate reports as the team looks to improve and renovate the products. It consists of three sections and should take 5-10 minutes to complete. We thank you in advance for your answers, your input is very important to us.

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State of the Climate 2024: Key Climate Indicator Data

The Key Climate Indicators dashboard is a companion to the WMO State of the Global climate reports. It provides access to the latest versions of selected key global indicators used in the report.

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State of the Global Climate 2024: At A Glance

This poster presents the headline data and visual highlights from the State of the Global Climate 2024 report. It confirms that 2024 was the warmest year on record, with a global temperature of 1.55 ± 0.13 °C above the pre-industrial baseline.