World Meteorological Day
Every 23 March, the World Meteorological Organization commemorates the coming into force of the Convention establishing the World Meteorological Organization on 23 March 1950.
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 for World Meteorological Day reflect topical weather, climate or water-related issues.
The theme for World Meteorological Day 2025 is "Closing the early warning gap together".
2018 - World Meteorological Day 2018
2017 - Understanding Clouds
2016 - Hotter, drier, wetter. Face the Future.
2015 - Climate knowledge for climate action
2014 - Weather and Climate: Engaging Youth
2013 - Watching the weather to protect life and property: Celebrating 50 years of World Weather Watch
2012 - Powering our future with weather, climate and water
2011 - Climate for you
2010 - 60 years of service for your safety and well-being
2009 - Weather, climate and the air we breathe
2008 - Observing our planet for a better future
2007 - Polar Meteorology; Understanding Global Impact
2006 - Preventing and mitigating natural disasters
2005 - Weather, Climate, Water and Sustainable Development
2004 - Weather, Climate and Water in the Information Age
2003 - Our Future Climate
2002 - Reducing Vulnerability to Weather and Climate Extremes
2001 - Volunteers for Weather, Climate and Water
2000 - The World Meteorological Organization - 50 years of service
1999 - Weather, climate and health
1998 - Weather, oceans and human activity
1997 - Weather and water in cities
1996 - Meteorology in the service of sports
1995 - Public weather services
1994 - Observing the weather and climate
1993 - Meteorology and the transfer of technology
1992 - Weather and climate services for sustainable development
1991 - The atmosphere of the living planet Earth
1990 - Natural disaster reduction: how Meteorological and Hydrological Services can help
1989 - Meteorology in the service of aviation
1988 - Meteorology and the media
1987 - Meteorology: a model of international cooperation
1986 - Climate variations, drought and desertification
1985 - Meteorology and public safety
1984 - Meteorology aids food production
1983 - The Weather observer
1982 - Observing the weather from space
1981 - World Weather Watch as a tool for development
1980 - Man and climatic variability
1979 - Meteorology and energy
1978 - Meteorology and research for the future
1977 - Weather and water
1976 - Weather and food
1975 - Meteorology and telecommunications
1974 - Meteorology and tourism
1973 - One hundred years of international cooperation in meteorology
1972 - Meteorology and human environment
1971 - Meteorology and human environment
1970 - Meteorological education and training
1969 - The economic value of meteorological services
1968 - Meteorology and agriculture
1967 - Weather and water
1966 - World Weather Watch
1965 - International cooperation in meteorology
1964 - Meteorology as a factor of economic development
1963 - Transport and meteorology (in particular, application of meteorology to aviation)
1962 - Contribution of meteorology to agriculture and food production
1961 - Meteorology - general themes