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Weather forecast

Friday, April 28, 2017

For today, very warm and muggy conditions are anticipated once again, due to the little prevailing cloudiness in that period and the persistence of weak trade winds. On the other hand, in the afternoon, there are isolated showers with thunderstorms in the Pacific, Central Valley and Northern Zone mountains; while in the Caribbean it is possible to rain in the mountains. Finally, in the early hours of the night, isolated rainstorms are estimated in the Pacific and west of the Central Valley; In the rest of the country, mainly partial cloudiness is estimated.


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.


Climate Atlas

A climate atlas presents, in a graphical form, a synthesis of the climate knowledge of a country or region. The atlas here presented describes the main climatological features of Costa Rica. It contains color maps of climatic elements such as temperature, precipitation and sunshine. The Climate Atlas of Costa Rica is a project that provides weather information of great importance.


Topic of the year 2015

Clouds play a pivotal role in weather forecasts and warnings. They help to drive the water cycle and the entire climate system. Throughout history, they have inspired artists, poets, musicians, photographers and countless other enthusiasts. Understanding Clouds is the theme of World Meteorological Day 2017 to highlight the enormous importance ...


San José, Friday, April 28, 2017

Sale y Pone el sol







Sale y Pone la luna







Fase lunar

Moon phase



Monday, March 06, 2017

Con el fin de proteger y conservar los más de dos mil humedales que tiene el país, rehabilitar los que se encuentran en riesgo o están deteriorados y fortalecer las acciones que se realizan en...

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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.

Go to services

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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