Piauí, Brazil Weather

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

Current conditions

Updated:
26°C
78.8°F
°C °F

Condition: Partly Cloudy

Pressure: 983 hPa

Feel like: 25 °C

Temperature: 26°C

Cloud: 50%

Humidity: 57%

Wind: ESE - 25 km/h

Visibility: 24.14 km

Weather forecast

Fri
14 Nov
24°C / 37°C
Partly Cloudy
Sat
15 Nov
25°C / 36°C
Mainly Clear
Sun
16 Nov
24°C / 37°C
Mainly Clear
Mon
17 Nov
25°C / 38°C
Partly Cloudy
Tue
18 Nov
24°C / 37°C
Drizzle
Hourly forecast today:
11:00 AM
17° / 26°
17° / 26°
Partly Cloudy
57% 51 km/h
12:00 PM
16° / 28°
16° / 28°
Mainly Clear
49% 51 km/h
13:00 PM
15° / 30°
15° / 30°
Clear Sky
40% 49 km/h
14:00 PM
14° / 33°
14° / 33°
Partly Cloudy
33% 47 km/h
15:00 PM
14° / 34°
14° / 34°
Partly Cloudy
29% 44 km/h
16:00 PM
12° / 35°
12° / 35°
Partly Cloudy
25% 41 km/h
17:00 PM
10° / 36°
10° / 36°
Mainly Clear
21% 38 km/h
18:00 PM
9° / 36°
9° / 36°
Mainly Clear
20% 34 km/h
19:00 PM
9° / 35°
9° / 35°
Mainly Clear
20% 32 km/h
20:00 PM
9° / 34°
9° / 34°
Mainly Clear
22% 30 km/h
21:00 PM
9° / 33°
9° / 33°
Mainly Clear
23% 28 km/h

30 Day Averages and Extremes

  • Average high 36.0°C
  • Average low 24.43°C
  • Hottest day 38°C (30 October 2025)
  • Coldest day 21°C (21 November 2025)
  • Average humidity 42.5%
  • Days with precipitation 15 days
  • Highest precipitation 38 mm (20 November 2025)

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

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:
- Light, natural fabrics (like cotton or linen)
- High SPF sunscreen for outdoor activities
- Ultra-thin, breathable socks
- UV-blocking sunglasses

Temperature

Early
16°C / 27°C
Morning
17°C / 23°C
Afternoon
14°C / 34°C
Evening
9°C / 33°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 446
  • CO 129
  • NH3 0
  • NO2 0
  • O3 74
  • PM10 4
  • PM25 3
  • SO2 0
  • CH4 1,314

Sunrise / Sunset

08:21
20:49