Castelo do Piauí in August

7.4out of 10

Possible, with caveats

Very hot: daytime highs around 35°C. Very dry: about 0 rainy days.

35°CAvg high
23°CAvg low
0Rainy days (1 mm)
11:50 hDaylight
05:56Sunrise · 17:45 Sunset

Why this score

  • Very hot: daytime highs around 35°C
  • Very dry: about 0 rainy days

What to wear and pack

  • Light, breathable clothing
  • Shorts or a light skirt
  • Sunscreen, sunglasses and a hat

How reliable is the forecast?

Rainfall in August is fairly consistent from year to year (0.4 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

33° 24° J 32° 23° F 32° 23° M 32° 23° A 32° 23° M 33° 23° J 34° 23° J 35° 23° A 36° 24° S 37° 25° O 37° 25° N 36° 25° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 33°C24°C156 mm 17– – 5.3
February 32°C23°C180 mm 17– – 5.3
March 32°C23°C257 mm 22– – 5.3
April 32°C23°C184 mm 18– – 5.4
May 32°C23°C76 mm 9– – 6.9
June 33°C23°C12 mm 2– – 7.7
July 34°C23°C6 mm 1– – 7.6
August 35°C23°C1 mm 0– – 7.4
September 36°C24°C1 mm 0– – 7.0
October 37°C25°C14 mm 1– – 6.8
November 37°C25°C14 mm 3– – 6.6
December 36°C25°C41 mm 7– – 6.3

Frequently asked questions

How hot is Castelo do Piauí in August?

Daytime highs average 35°C and nights about 23°C.

When is the best time to visit Castelo do Piauí?

The best months are June, July, August.