Teresina Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Teresina.

Climate overview of Teresina

Teresina, Piauí, Brazil, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 35°C (95°F), peaking in October at 38°C (100°F) and dipping in March to 32°C (90°F).

With around 1452 mm (57 in) of annual rainfall, Teresina has a notably wet climate. However, this rainfall is not evenly distributed, the city has distinct dry (June to October) and wet (January to April) seasons. The wettest month is March. Sunshine peaks in August, when the city sees around 10.5 hours of sunshine per day.

Teresina Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Teresina - and find the best time to visit.

Monthly Temperature in Teresina

With minimal seasonal shifts, Teresina experiences a constant climate year-round. Average daytime temperatures reach a very hot 38°C (100°F) in October. In March, the coolest month of the year, temperatures drop to a very warm 32°C (90°F).

At night, temperatures range from around 25°C (77°F) in October to 23°C (73°F) in March.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Teresina

Teresina has a notably wet climate with abundant precipitation, recording 1452 mm (57 in) of rainfall per year. Teresina can be quite wet during March, receiving approximately 325 mm (13 in) of precipitation over 30 rainy days.

In contrast, during the driest month (August), you will experience much drier conditions, with 2.9 mm (0.1 in) of precipitation spread across 11 rainy days. For more details, please visit our Teresina Precipitation page.

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

Sunshine Hours in Teresina

Teresina can be enjoyed more throughout the sunniest month of August under a blue sky, with approximately 10.5 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 5.1 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine


Daily hours of sunshine


Humidity in Teresina by Month

Best Time to Visit Teresina

No single month stands out for weather in Teresina, as conditions remain fairly consistent throughout the year.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Warmest weather: September, October and November
  • Most sunshine: August
  • Fewest rainy days: October and November
  • Wettest months: January, February, March and April, when rainfall is highest.
  • Seasonal pattern: Distinct dry (June to October) and wet (January to April) seasons

Frequently asked questions about the climate in Teresina

What is the best time to visit Teresina?

Teresina has distinct dry (June to October) and wet (January to April) seasons.

What temperatures can I expect in Teresina?

Daytime highs range from 32°C (90°F) in March to 38°C (100°F) in October. Nighttime lows range from 23°C (73°F) to 25°C (77°F). Temperatures stay relatively stable year-round.

How much rain does Teresina get?

Annual rainfall is around 1452 mm (57 in). March is the wettest month with 325 mm (13 in), while August is the driest with 2.9 mm (0.1 in).

How sunny is Teresina?

Teresina receives around 2,791 hours of sunshine per year. August is the sunniest month with 316 hours, while February is the cloudiest with just 152 hours. Overall, Teresina enjoys abundant sunshine.

Teresina 3-Day Forecast

Teresina on the map

Teresina is highlighted - select any city to see its climate.

Popular this month

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.