Weekly outlook


From Agust 11-14 , 2022


General Review

The Intertropical Convergence Zone near the country, together with instability in the high atmosphere, generate a humid and unstable environment, favoring ideal conditions for the presence of cloudiness and rainy events in the national territory; especially during the afternoons and early evening hours. The most significant rains will manifest this Thursday and Friday. Towards the weekend, a more isolated behavior in rainfall is estimated; however, in the Central and South Pacific there is a high potential to manifest the strongest rains in this period.

Tropical wave #26 is over Panama and its arrival in our country is estimated between Thursday night and Friday morning, its effects will be witnessed on Friday.

Saharan Dust  remains over the Caribbean Sea, over the next few days it will spread towards the north of the Caribbean, due to the above, no intrusion towards Costa Rica is expected.



Mornings: Cloudiness between partial and total. Possible rains in coastal areas, especially the Pacific, during the first hours.


Afternoons: In the Pacific it is expected to be mostly cloudy with rains, downpours and storms, the northern part of Guanacaste is estimated to have few rains. The Central Valley and North Zone, cloudiness between partial and total with isolated downpours and storms. In the Caribbean, it is expected to be partially cloudy with isolated rains in the mountainous areas and outskirts.


Nights: Cloudiness between partial and total in the country. Rains and isolated electrical storm in the Pacific and North Zone in the first hours. Light rains are possible in the Central Valley and Caribbean mountains during the first part of the period, Thursday and Friday.

Temperature extremes in climatic regions of the country




Valle Central 28 14
Pacífico Norte 33 17
Pacífico Central 32 15
Pacífico Sur 32 15
Caribe 32 18
Zona Norte 32 16


Outlook for the week of August 15-21, 2022

In this period, the typical pattern of the rainy season is expected, with rainfall being more evident in the different regions of the country as this period progresses.