Parnaíba weather
At 11:00 PM local time it was mostly clear and 27°C (81°F). Light rain for 2 of the next 24 hours (under 1 mm/h, 0.3 mm total) — cloudy, but fine to be out. Best months for weather: Jun–Dec. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Parnaíba, Piauí, Brazil.
Current conditions
- Clouds
- 28%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 2 of the next 24 hours (under 1 mm/h, 0.3 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Jun–DecOff season Feb–Apr
About Parnaíba weather
Is it raining in Parnaíba right now?
No. It’s mostly clear and 27° right now. Light rain for 2 of the next 24 hours (under 1 mm/h, 0.3 mm total) — cloudy, but fine to be out.
What’s the weather like in Parnaíba this week?
Over the next 7 days, expect highs of 32–34° and lows of 25–26°. Rain is likely on 4 of 7 days (Sunday, Monday, Tuesday, Wednesday). The driest day looks like Friday.
Has it been raining in Parnaíba lately?
In the past 7 days, Parnaíba had 2 rainy days and 5.5 mm of rain in total.
What should I pack for Parnaíba?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Parnaíba weather by month
When is the best time to visit Parnaíba?
Based on weather alone, the best time to visit Parnaíba is Jun–Dec, according to NASA's 2001–2025 climate averages. Feb–Apr tends to be the least pleasant. Average highs run from 29°C (84°F) in April to 35°C (96°F) in September.
What is the rainiest month in Parnaíba?
March is the wettest month, with about 240 mm (9.4 in) of rain on average. September is the driest, with about 4 mm (0.2 in).
What is the hottest month in Parnaíba?
September is the warmest, with average highs of 35°C (96°F) and lows of 23°C (73°F). April is the coolest, with highs of 29°C (84°F) and lows of 24°C (75°F).
Does Parnaíba have a rainy season?
Yes. Feb–Apr is the rainy season (150 mm or more a month), while Jun–Dec is usually dry (under 60 mm).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months