Piauí, Brazil Weather

  1. Piauí, Brazil Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Piauí over the next 12 hours
  7. Temperature and possibility of rain in Piauí in the coming days
  8. Rainfall in Piauí in the coming days
  9. Piauí Weather Summary
  10. Weather averages by month
  11. Piauí's weather
  12. Frequently asked questions
  13. Comments
Piauí, Weather
(Photo by Agustin Diaz Gargiulo on Unsplash)

Current conditions

Updated:
36°C
96.8°F
°C °F

Condition: Partly Cloudy

Pressure: 983 hPa

Feel like: 37 °C

Temperature: 36°C

Cloud: 59%

Humidity: 24%

Wind: ESE - 19 km/h

Visibility: 48.62 km

Weather forecast

Fri
18 Sep
25°C / 37°C
Overcast
Sat
19 Sep
24°C / 36°C
Clear Sky
Sun
20 Sep
25°C / 37°C
Clear Sky
Mon
21 Sep
25°C / 38°C
Clear Sky
Tue
22 Sep
25°C / 39°C
Clear Sky
Hourly forecast today:
16:00 PM
13° / 36°
13° / 36°
Partly Cloudy
24% 41 km/h
17:00 PM
12° / 37°
12° / 37°
Partly Cloudy
22% 41 km/h
18:00 PM
11° / 37°
11° / 37°
Partly Cloudy
21% 40 km/h
19:00 PM
10° / 37°
10° / 37°
Mainly Clear
19% 38 km/h
20:00 PM
9° / 36°
9° / 36°
Clear Sky
19% 36 km/h
21:00 PM
8° / 34°
8° / 34°
Clear Sky
20% 35 km/h
22:00 PM
8° / 33°
8° / 33°
Clear Sky
22% 26 km/h
23:00 PM
8° / 32°
8° / 32°
Clear Sky
23% 26 km/h
00:00 AM
8° / 30°
8° / 30°
Clear Sky
25% 23 km/h
01:00 AM
8° / 30°
8° / 30°
Clear Sky
26% 20 km/h
02:00 AM
9° / 29°
9° / 29°
Clear Sky
28% 24 km/h

30 Day Averages and Extremes

  • Average high 37.6°C
  • Average low 25.97°C
  • Hottest day 39°C (02 September 2026)
  • Coldest day 22°C (16 September 2026)
  • Average humidity 30.53%
  • Days with precipitation 10 days
  • Highest precipitation 9 mm (06 September 2026)

Yesterday's Data

  • Max: 39°C
  • Min: 22°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Piauí over the next 12 hours

Temperature and possibility of rain in Piauí in the coming days

Rainfall in Piauí in the coming days

Piauí Climate Summary

Piauí features a Tropical wet and dry or savanna (Köppen classification: Aw), with an average annual temperature of 29.16ºC (84.49ºF), which is about 3.44% higher than the national average for Brazil. Annually, the city experiences approximately 72.16 millimeters (2.84 inches) of rainfall, spread across 118.26 rainy days, accounting for 32.4% of the year.

Longitude -7.7183401
Latitude -42.7289236
Yearly high temperature 33.53ºC (92.35ºF)
Yearly low temperature 22.6ºC (72.68ºF)
Hottest month October 36.96ºC (98.53ºF)
Coldest month August 21.24ºC (70.23ºF)
Yearly precip 72.16mm (2.84in)
Days with rainfall 118.26 days (32.4%)
Driest month August (44.73%)
Wettest month March (76.97%)

Weather averages by month

Month High / Low (°C) Rain
January 32.13° / 22.47° 20.0 days
February 32.05° / 22.31° 20.45 days
March 31.47° / 22.32° 24.45 days
April 31.76° / 22.15° 15.45 days
May 32.21° / 21.94° 5.82 days
June 32.35° / 21.26° 1.64 days
July 33.04° / 20.99° 0.27 days
August 34.88° / 21.24° 0.09 days
September 36.61° / 22.94° 0.64 days
October 36.96° / 24.87° 5.09 days
November 35.07° / 24.92° 11.0 days
December 33.84° / 23.82° 13.36 days

Piauí's weather

Frequently asked questions

1. What is the hottest month in Piauí?

October has the highest average monthly temperature (daily mean of 36.96ºC) and August are the coolest (daily mean of 21.24ºC).

2. What should I wear in Piauí today?

For today's very hot weather in Piauí, with the high temperatures above 37ºC (98.6ºF), consider wearing:
- Ultra-thin, breathable socks
- Light, natural fabrics (like cotton or linen)
- UV-blocking sunglasses
- Broad-brimmed sun hat

Temperature

Early
7°C / 29°C
Morning
14°C / 26°C
Afternoon
14°C / 35°C
Evening
8°C / 34°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 442
  • CO 87
  • NH3 0
  • NO2 0
  • O3 78
  • PM10 7
  • PM25 4
  • SO2 0
  • CH4 1,302

Sunrise / Sunset

08:43
20:47