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:
27°C
80.6°F
°C °F

Condition: Clear Sky

Pressure: 982 hPa

Feel like: 25 °C

Temperature: 27°C

Cloud: 2%

Humidity: 38%

Wind: SE - 11 km/h

Visibility: 49.86 km

Weather forecast

Sun
13 Sep
25°C / 38°C
Partly Cloudy
Mon
14 Sep
25°C / 39°C
Clear Sky
Tue
15 Sep
24°C / 39°C
Partly Cloudy
Wed
16 Sep
24°C / 40°C
Overcast
Thu
17 Sep
26°C / 39°C
Clear Sky
Hourly forecast today:
10:00 AM
11° / 27°
11° / 27°
Clear Sky
38% 21 km/h
11:00 AM
14° / 29°
14° / 29°
Partly Cloudy
42% 34 km/h
12:00 PM
15° / 31°
15° / 31°
Overcast
38% 38 km/h
13:00 PM
15° / 33°
15° / 33°
Overcast
33% 38 km/h
14:00 PM
14° / 35°
14° / 35°
Overcast
29% 38 km/h
15:00 PM
13° / 36°
13° / 36°
Overcast
26% 36 km/h
16:00 PM
13° / 37°
13° / 37°
Overcast
24% 35 km/h
17:00 PM
13° / 37°
13° / 37°
Overcast
22% 34 km/h
18:00 PM
12° / 37°
12° / 37°
Overcast
23% 35 km/h
19:00 PM
11° / 36°
11° / 36°
Overcast
22% 36 km/h
20:00 PM
11° / 35°
11° / 35°
Mainly Clear
23% 32 km/h

30 Day Averages and Extremes

  • Average high 37.7°C
  • Average low 25.77°C
  • Hottest day 40°C (16 September 2026)
  • Coldest day 23°C (10 September 2026)
  • Average humidity 30.3%
  • Days with precipitation 6 days
  • Highest precipitation 9 mm (06 September 2026)

Yesterday's Data

  • Max: 36°C
  • Min: 24°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:
- Lightweight, loose-fitting shorts
- Airy sandals or flip-flops
- Light, natural fabrics (like cotton or linen)
- Ultra-thin, breathable socks

Temperature

Early
9°C / 27°C
Morning
9°C / 24°C
Afternoon
13°C / 36°C
Evening
12°C / 33°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 451
  • CO 114
  • NH3 0
  • NO2 1
  • O3 58
  • PM10 5
  • PM25 4
  • SO2 0
  • CH4 1,307

Sunrise / Sunset

08:46
20:48