Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Teresina, Piauí, Brazil climate

Average temperatures, precipitation and all-time records for Teresina, Piauí, Brazil, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is October, averaging a high of 38°C, and its coldest is June, with an average low of 22°C.

Teresina is the capital and most populous municipality in the Brazilian state of Piauí. Being located in north-central Piauí 366 km from the coast, it is the only capital in the Brazilian Northeast that is not located on the shores of the Atlantic Ocean. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Teresina, Piauí, Brazil's own ±7-day seasonal distribution.

High 34°C Normal · 53rd pct
Low 24°C Above Normal · 73rd pct
Feels-like 37°C Low · 22nd pct
Humidity 17.7 g/m³ High · 85th pct
Wind 15 km/h Below Normal · 32nd pct
Precip 1 mm Heavy · 78th pct

Open Teresina in the live weather grader →

Teresina average temperatures by month

Typical daily high and low, and average precipitation, for each month in Teresina, Piauí, Brazil, based on 1981–2026 records. The wettest month is February (8 mm on an average day).

MonthAvg highAvg lowAvg precip
January 31°C 23°C 5 mm
February 30°C 23°C 8 mm
March 30°C 23°C 8 mm
April 30°C 23°C 8 mm
May 31°C 22°C 3 mm
June 32°C 22°C 0 mm
July 33°C 23°C 0 mm
August 35°C 23°C 0 mm
September 37°C 24°C 0 mm
October 38°C 25°C 0 mm
November 37°C 25°C 0 mm
December 35°C 24°C 3 mm

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.

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Record extremes

  • Hottest day on record: 41°C on 2023-10-28
  • Coldest day on record: 16°C on 1986-07-27

All Teresina weather records →

Percentiles compare each day to Teresina, Piauí, Brazil's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →