让我们确保地球相关信息不仅被收集起来，更能为所有人所理解、获取并付诸实践。 WMO秘书长席列斯特·绍罗（Celeste Saulo）教授

Dec 22, 2025 · Weather is the state of the atmosphere at a particular time, as defined by the various meteorological elements, including temperature, precipitation, atmospheric pressure, wind and humidity.

The World Meteorological Organization is the UN's voice on weather, climate, and water resources, providing scientific insights into our atmosphere and climate behavior.

It showcases the essential contribution of National Meteorological and Hydrological Services to the safety and wellbeing of society and is celebrated with activities around the world. The themes chosen …

Feb 24, 2026 · 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 …

L'Organisation météorologique mondiale est l'organisme des Nations Unies qui fait autorité pour les questions relatives au temps, au climat et à l'eau

Feb 25, 2026 · On this World Meteorological Day, I would therefore like to pay tribute to the many thousands of humans in the WMO community. The observers in remote and lonely locations. The …

This global web site presents OFFICIAL weather forecasts and climatological information for selected cities supplied by National Meteorological & Hydrological Services worldwide.

World Meteorological Day 2026 celebrates the global efforts of the meteorological, hydrological and climate community in observing our planet to protect lives, strengthen resilience, and safeguard our …

The World Meteorological Organization's State of the Climate Update for COP30 reveals that the past 11 years (2015-2025) are set to be the warmest on record, with each year surpassing previous …