Climate and Average Weather in 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 detailed climate information about other cities in the area, please refer to the section beneath the map further down the page.

One thing to take into account is that on average, the temperatures are always high. The coldest month is January with an average maximum temperature of 29°C. However, the specific temperature can vary depending on the exact location within the region.

Additional climate insights:

• A lot of rain (rainy season) falls in the month of: May, June, July, August, September and October.
• Guanacaste has dry periods in January, February, March and December.
• October is the wettest month in Guanacaste. This month should be avoided if you are not a big fan of rain.
• February is the driest month.
• The warmest month in Guanacaste is April with an average maximum temperature of 33°C.
• The coldest month is January with an average maximum daytime temperature of 29°C.
• March is the sunniest month in Guanacaste.

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.