Piauí, Brazil Weather

Piauí,  Weather
(Photo by Agustin Diaz Gargiulo on Unsplash)

Current conditions

Updated:
38°C
100.4°F
°C °F

Condition: Clear Sky

Pressure: 976 hPa

Feel like: 38 °C

Temperature: 38°C

Cloud: 9%

Humidity: 22%

Wind: ENE - 9 km/h

Visibility: 50.78 km

Weather forecast

Mon
02 Nov
29°C / 38°C
Drizzle
Tue
03 Nov
27°C / 37°C
Drizzle
Wed
04 Nov
27°C / 38°C
Mainly Clear
Thu
05 Nov
28°C / 39°C
Drizzle
Fri
06 Nov
29°C / 39°C
Partly Cloudy
Hourly forecast today:
19:00 PM
13° / 38°
13° / 38°
Clear Sky
22% 25 km/h
20:00 PM
13° / 37°
13° / 37°
Clear Sky
23% 23 km/h
21:00 PM
12° / 35°
12° / 35°
Clear Sky
25% 28 km/h
22:00 PM
12° / 34°
12° / 34°
Clear Sky
26% 27 km/h
23:00 PM
13° / 33°
13° / 33°
Clear Sky
29% 17 km/h
00:00 AM
13° / 32°
13° / 32°
Clear Sky
30% 16 km/h
01:00 AM
13° / 32°
13° / 32°
Overcast
31% 15 km/h
02:00 AM
14° / 32°
14° / 32°
Partly Cloudy
33% 6 km/h
03:00 AM
14° / 31°
14° / 31°
Mainly Clear
35% 3 km/h
04:00 AM
14° / 30°
14° / 30°
Mainly Clear
36% 4 km/h
05:00 AM
14° / 30°
14° / 30°
Mainly Clear
37% 3 km/h

30 Day Averages and Extremes

  • Average high 36.4°C
  • Average low 25.33°C
  • Hottest day 40°C (24 October 2026)
  • Coldest day 22°C (08 November 2026)
  • Average humidity 48.27%
  • Days with precipitation 27 days
  • Highest precipitation 43 mm (18 October 2026)

Yesterday's Data

  • Max: 36°C
  • Min: 24°C
  • Total Precipitation: 1 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

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 39ºC (102.2ºF), consider wearing:
- Broad-brimmed sun hat
- UV-blocking sunglasses
- High SPF sunscreen for outdoor activities
- Light, natural fabrics (like cotton or linen)

Temperature

Early
19°C / 28°C
Morning
20°C / 27°C
Afternoon
14°C / 38°C
Evening
12°C / 35°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 459
  • CO 135
  • NH3 0
  • NO2 0
  • O3 97
  • PM10 8
  • PM25 7
  • SO2 0
  • CH4 1,303

Sunrise / Sunset

08:23
20:46