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Weather forecast

Wednesday, September 29, 2021

This Wednesday the Intertropical Convergence Zone will continue active and close to the country. During the morning, a predominance of partial cloud cover is expected at the national level with the possibility of isolated rains in coastal sectors, most likely in the Central and South Pacific. Variable rainy activity is projected for the afternoon and early evening with showers and downpours with storm located on the Pacific slope, Central Valley and mountains of the country.


ENSO Bulletin

This scientific document, produced by the Department of Climatology, provides information on the current and upcoming state of El Niño or La Niña events in a national context. This newsletter is published at the end or beginning of each month. Previous issues are also available.


Public Consultation

The Ministry of Environment and Energy (MINAE), the Climate Change Department (DCC), submits a draft of the "National Policy for Adaptation to Climate Change in Costa Rica" to the institutions and the public in general.


National emergency notice

Attention to the public: due to Executive Decree 42227 of National Emergency issued yesterday (March 16), the IMN requests that all inquiries related to the institution be made through: • Website ( .cr), • Institutional email (, • Telephone exchange 2222-56-16, • Facebook and / or Twitter.



Friday, September 17, 2021

Since 1953 Professor Víctor Manual Ureña had the idea of ??instilling civic spirit in the children in the town, so he decided to officially organize the "Desfile de Faroles" (lantern parade)...

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The National Meteorological Institute, offers a range of services that can be ordered online in the next section of the site.

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Climate change

One of the greatest challenges facing humanity is climate change. One issue that should concern us all. In this section you can view the climate change report or browse in our dedicated website for this importance issue.

Go website Official emission factors Greenhouse gases inventory
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Atlas of clouds

Reigning time depends on the type of clouds that form in the sky and, therefore, forecasters are interested in the study of their structure and evolution. Learn more about this fascinating subject.

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