Tamarindo Weather & Climate: Best Time to Visit
The climate in Tamarindo, Guanacaste, Costa Rica, is remarkably consistent, with temperatures year-round averaging 31°C (88°F). The warmest month is April at 33°C (91°F), and the coolest is January at 30°C (86°F).
The city receives considerable rainfall, with around 1825 mm (72 in) annually. October is the wettest month. It has distinct dry (December to April) and wet (May to October) seasons. Sunshine peaks in March, when the city sees around 10.2 hours of sunshine per day.
Monthly Temperature in Tamarindo
In Tamarindo temperatures are generally consistent throughout the year. Typically, average maximum daytime temperatures range from a very warm 33°C (91°F) in April to a comfortable 30°C (86°F) in the coolest month, January.
Nights vary from 26°C (79°F) in April to around 24°C (75°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Tamarindo
Tamarindo experiences significant rainfall throughout the year, averaging 1825 mm (72 in) of precipitation annually. The climate in Tamarindo shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 354 mm (14 in) of precipitation over 21 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 3.5 mm (0.1 in) of rainfall over 5 rainy days. For more details, please visit our Tamarindo Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Tamarindo
For those who appreciate different seasons, Tamarindo serves as an ideal destination. Expect longer, more sun-filled days in March with an average of 10.2 hours of sunshine daily, and embrace the darker days in September, offering only 5.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Tamarindo by Month
The relative humidity is high throughout the year in Tamarindo.
The city experiences its highest humidity in September, reaching 86%. In March, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Tamarindo 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Tamarindo
The warm weather in Tamarindo maintains temperatures between 30°C (86°F) and 33°C (91°F) year-round. Plan your visit during January, February, March, April and December for drier days and the best conditions to enjoy being outside.To make the most of your visit, consider exploring early in the morning or during the pleasant late afternoon hours when the temperature is most comfortable.
Be aware that May, June, July, August, September and October constitute the rainy season, with significant precipitation. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.