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:
25°C
77.0°F
°C °F

Condition: Clear Sky

Pressure: 981 hPa

Feel like: 27 °C

Temperature: 25°C

Cloud: 2%

Humidity: 65%

Wind: ESE - 3 km/h

Visibility: 59.42 km

Weather forecast

Mon
18 May
22°C / 32°C
Moderate Drizzle
Tue
19 May
21°C / 32°C
Overcast
Wed
20 May
22°C / 34°C
Partly Cloudy
Thu
21 May
22°C / 34°C
Mainly Clear
Fri
22 May
22°C / 34°C
Clear Sky
Hourly forecast today:
02:00 AM
18° / 25°
18° / 25°
Clear Sky
65% 11 km/h
03:00 AM
18° / 24°
18° / 24°
Clear Sky
66% 5 km/h
04:00 AM
17° / 24°
17° / 24°
Clear Sky
66% 1 km/h
05:00 AM
17° / 24°
17° / 24°
Clear Sky
67% 2 km/h
06:00 AM
17° / 22°
17° / 22°
Clear Sky
72% 7 km/h
07:00 AM
17° / 22°
17° / 22°
Clear Sky
72% 8 km/h
08:00 AM
16° / 22°
16° / 22°
Clear Sky
71% 9 km/h
09:00 AM
16° / 21°
16° / 21°
Clear Sky
70% 8 km/h
10:00 AM
16° / 23°
16° / 23°
Clear Sky
64% 14 km/h
11:00 AM
16° / 26°
16° / 26°
Clear Sky
55% 20 km/h
12:00 PM
17° / 27°
17° / 27°
Clear Sky
52% 26 km/h

30 Day Averages and Extremes

  • Average high 32.7°C
  • Average low 22.8°C
  • Hottest day 35°C (31 May 2026)
  • Coldest day 20°C (04 May 2026)
  • Average humidity 55.3%
  • Days with precipitation 14 days
  • Highest precipitation 18 mm (10 May 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 21°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 33ºC (91.4ºF), consider wearing:
- Sleeveless tops or vests
- Ultra-thin, breathable socks
- UV-blocking sunglasses
- Airy sandals or flip-flops

Temperature

Early
18°C / 24°C
Morning
16°C / 21°C
Afternoon
17°C / 32°C
Evening
16°C / 28°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 474
  • CO 86
  • NH3 0
  • NO2 1
  • O3 40
  • PM10 3
  • PM25 2
  • SO2 0
  • CH4 1,308

Sunrise / Sunset

08:54
20:40