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Weather forecast

Monday, April 19, 2021

In this beginning of the week, unstable conditions are expected to persist over the country, which will mainly manifest as rainfall during the afternoons. Specifically for this Monday, during the early hours and tomorrow, a predominance of partial cloudiness is expected with high temperatures and possible isolated drizzles in coastal sectors. For the afternoon probability of isolated rains and downpours located on the Pacific slope, the Central Valley and the mountains of the Caribbean and the North Zone.


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.



Tuesday, November 03, 2015

La temperatura media de la atmósfera inferior de la Tierra podría subir en más de 4 ºC (7,2 ºF) a finales del siglo XXI. ¿Pero qué significa realmente un aumento de la temperatura media mundial?...

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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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Imagen cambio climático

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
Imagen sobre tema

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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