Piauí weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Piauí, Brazil. Like most weather services, we show Piauí at one spot: Teresina, its largest city. At 6:45 PM local time it was clear and 36°C (96°F). Little to no rain in the next 24 hours. Best months for weather: Jun–Aug.
Current conditions
- Clouds
- 5%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season Jun–AugOff season Jan–Apr
About Teresina weather
Is it raining in Teresina right now?
No. It’s clear and 36° right now. Little to no rain in the next 24 hours.
What’s the weather like in Teresina this week?
Over the next 7 days, expect highs of 38–40° and lows of 25–26°. Little rain is expected. The driest day looks like Wednesday.
Has it been raining in Teresina lately?
In the past 7 days, Teresina had 1 rainy day and 3.7 mm of rain in total.
What should I pack for Teresina?
For the coming week, bring light, breathable clothes and sunscreen.
Piauí weather by month
When is the best time to visit Piauí?
Based on weather alone, the best time to visit Piauí is Jun–Aug, according to NASA's 2001–2025 climate averages. Jan–Apr tends to be the least pleasant. Average highs run from 29°C (85°F) in April to 38°C (100°F) in October.
What is the rainiest month in Piauí?
March is the wettest month, with about 261 mm (10.3 in) of rain on average. September is the driest, with about 7 mm (0.3 in).
What is the hottest month in Piauí?
October is the warmest, with average highs of 38°C (100°F) and lows of 25°C (77°F). April is the coolest, with highs of 29°C (85°F) and lows of 23°C (73°F).
Does Piauí have a rainy season?
Yes. Jan–Apr is the rainy season (150 mm or more a month), while Jun–Nov is usually dry (under 60 mm).
Piauí weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Teresina), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Piauí
Weather can differ a lot within Piauí: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Teresina | Jun–Aug | Jan–Apr | 29–38°C | 1,203 mm |
| Parnaíba | Jun–Dec | Feb–Apr | 29–35°C | 1,103 mm |
| Picos | May–Aug | Mar | 31–38°C | 674 mm |
| Piripiri | May–Aug | Jan–Apr | 30–38°C | 1,144 mm |
| Floriano | May–Aug | Jan–Mar | 31–38°C | 866 mm |
| Barras | Jun–Sep | Jan–Apr | 29–37°C | 1,315 mm |
| Altos | Jun–Aug | Jan–Apr | 29–38°C | 1,203 mm |
| Campo Maior | May–Aug | Jan–Apr | 30–39°C | 1,043 mm |
| União | Jun–Aug | Jan–Apr | 29–37°C | 1,342 mm |
| Esperantina | Jun–Sep | Jan–Apr | 29–37°C | 1,315 mm |
| José de Freitas | Jun–Aug | Jan–Apr | 29–38°C | 1,203 mm |
| São Raimundo Nonato | Jun–Aug | None | 32–37°C | 575 mm |
Cities and towns in Piauí
- Teresina
- Parnaíba
- Picos
- Piripiri
- Floriano
- Barras
- Altos
- Campo Maior
- União
- Esperantina
- José de Freitas
- São Raimundo Nonato
- Pedro II
- Oeiras
- Miguel Alves
- Luís Correia
- Piracuruca
- Cocal
- Corrente
- Batalha
- Luzilândia
- Bom Jesus
- Uruçuí
- São João do Piauí
- Valença do Piauí
- Paulistana
- Castelo do Piauí
- Buriti dos Lopes
- Canto do Buriti
- Jaicós
- Regeneração
- São Miguel do Tapuio
- Pio IX
- Água Branca
- Amarante
- Ipueiras
- Demerval Lobão
- Inhuma