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: Mainly Clear

Pressure: 981 hPa

Feel like: 35 °C

Temperature: 36°C

Cloud: 48%

Humidity: 29%

Wind: SE - 22 km/h

Visibility: 48.62 km

Weather forecast

Sat
19 Sep
24°C / 36°C
Clear Sky
Sun
20 Sep
25°C / 37°C
Mainly Clear
Mon
21 Sep
25°C / 38°C
Clear Sky
Tue
22 Sep
26°C / 39°C
Overcast
Wed
23 Sep
25°C / 39°C
Overcast
Hourly forecast today:
18:00 PM
15° / 36°
15° / 36°
Mainly Clear
29% 45 km/h
19:00 PM
15° / 36°
15° / 36°
Mainly Clear
28% 45 km/h
20:00 PM
14° / 35°
14° / 35°
Mainly Clear
28% 39 km/h
21:00 PM
14° / 33°
14° / 33°
Clear Sky
31% 38 km/h
22:00 PM
14° / 32°
14° / 32°
Clear Sky
32% 32 km/h
23:00 PM
13° / 32°
13° / 32°
Mainly Clear
33% 21 km/h
00:00 AM
13° / 31°
13° / 31°
Clear Sky
32% 32 km/h
01:00 AM
12° / 31°
12° / 31°
Clear Sky
31% 35 km/h
02:00 AM
12° / 30°
12° / 30°
Mainly Clear
34% 34 km/h
03:00 AM
13° / 29°
13° / 29°
Clear Sky
37% 37 km/h
04:00 AM
14° / 28°
14° / 28°
Clear Sky
42% 39 km/h

30 Day Averages and Extremes

  • Average high 37.4°C
  • Average low 25.9°C
  • Hottest day 40°C (16 September 2026)
  • Coldest day 22°C (16 September 2026)
  • Average humidity 31.7%
  • Days with precipitation 12 days
  • Highest precipitation 10 mm (27 September 2026)

Yesterday's Data

  • Max: 36°C
  • Min: 25°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 36ºC (96.8ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Ultra-thin, breathable socks
- Broad-brimmed sun hat
- Light, natural fabrics (like cotton or linen)

Temperature

Early
11°C / 28°C
Morning
18°C / 25°C
Afternoon
16°C / 35°C
Evening
14°C / 33°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 442
  • CO 99
  • NH3 0
  • NO2 0
  • O3 72
  • PM10 5
  • PM25 4
  • SO2 0
  • CH4 1,301

Sunrise / Sunset

08:42
20:47