Teresina Weather & Climate: Best Time to Visit

With minimal seasonal shifts, Teresina experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very hot 38°C (100°F) in October to a very warm 32°C (90°F) in the coolest month, March.

Nights vary from 25°C (77°F) in October to around 23°C (73°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Teresina has a notably wet climate with abundant precipitation, recording 1453 mm (57 in) of rainfall per year. The climate in Teresina shows significant variation throughout the year. Expect heavy rainfall in March, the wettest month, with an average of 325 mm (13 in) of precipitation over 30 rainy days.

In contrast, the driest month August offers drier and sunnier days, with around 2.9 mm (0.1 in) of rainfall over 11 rainy days. For more details, please visit our Teresina Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Teresina serves as an ideal destination. Expect longer, more sun-filled days in August with an average of 10.5 hours of sunshine daily, and embrace the darker days in February, offering only 5.1 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Teresina.

The city experiences its highest humidity in April, reaching 84%. In September, the humidity drops to its lowest level at 56%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year