Climate and Weather of Guanacaste, Costa Rica
In Costa Rica you have several regions, one of which is called Guanacaste. The most popular city in this region is Tamarindo, whose climate data we'll examine to provide you with an overview of what weather to expect in Guanacaste. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
High temperatures are a constant in Guanacaste, especially in Tamarindo, with average maximums staying above 29°C all year long.
Guanacaste reaches its peak temperature in April, hitting 33°C, while January brings cooler conditions with daytime highs of 29°C.
February, March and April are generally the hottest months of the year.
When it comes to rainfall, Guanacaste sees significant variations throughout the year. October tends to be the wettest, receiving 354 mm of rain, while February is much drier with just 3 mm. Travelers should note that the rainy season falls during May, June, August, September and October, bringing substantial precipitation ranging from 241 mm to 354 mm monthly. For those seeking drier weather, January, February, March and December typically see minimal rainfall, never exceeding 14 mm.
For those seeking sunshine, March usually has the brightest skies, making it an excellent time for exploring the region.
Select a Month of Interest
Check the conditions for any month of the year.
The province of Guanacaste is known as one of the most special areas to visit in Costa Rica. Partly because of its pristine beaches, beautiful coastline and a variety of wildlife. The area of Guanacaste has a number of beautiful beaches, including Playa Conchal and Playa Tamarindo.
Interested in the detailed Weather and Climate of Guanacaste, Costa Rica?
Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.