6 days ago · Climate is the average weather conditions for a particular location over a long period of time, ranging from months to thousands or millions of years. WMO uses a 30-year period to …

6 days ago · Climate change is the term used to describe changes in the state of the climate that can be identified by changes in the average and/or the variability of its properties and that …

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 …

The WMO Global Annual to Decadal Climate Update (2025–2029) projects that global temperatures are expected to continue at or near record levels in the next five years, …

Jan 5, 2026 · Probabilistic forecasts of surface air temperature and precipitation for the season January-February-March 2026. The tercile category with the highest forecast probability is …

The State of the Climate in the Arab Region 2024 is the first WMO report dedicated to assessing climate trends and impacts in one of the world’s most vulnerable regions. It highlights that …

Jan 5, 2026 · The WMO Climate Services Information System (CSIS) is the principal mechanism through which information about climate – past, present and future – is routinely produced, …

The State of the Global Climate 2023 report shows that records were once again broken, and in some cases smashed, for greenhouse gas levels, surface temperatures, ocean heat and …

The alarming streak of exceptional temperatures continued in 2025, which is set to be either the second or third warmest year on record, according to the State of the Global Climate Update …

Introduction This update on the current state of the global climate has been prepared to inform discussions at the thirtieth Conference of the Parties to the United Nations Framework …