Rio Branco in August

7.1out of 10

Possible, with caveats

Hot: daytime highs around 33°C. Some rain: about 6 rainy days.

33°CAvg high
20°CAvg low
6Rainy days (38 mm)
11:40 hDaylight
05:45Sunrise · 17:25 Sunset

Why this score

  • Hot: daytime highs around 33°C
  • Some rain: about 6 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?

Rain in August varies a lot between years (±3.1 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

30° 23° J 30° 23° F 30° 23° M 30° 22° A 30° 21° M 30° 20° J 32° 19° J 33° 20° A 33° 22° S 33° 23° O 31° 23° N 30° 23° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 30°C23°C255 mm 28– – 5.8
February 30°C23°C243 mm 25– – 5.8
March 30°C23°C249 mm 27– – 5.8
April 30°C22°C160 mm 23– – 5.7
May 30°C21°C76 mm 15– – 6.8
June 30°C20°C30 mm 7– – 7.8
July 32°C19°C21 mm 4– – 7.8
August 33°C20°C38 mm 6– – 7.1
September 33°C22°C75 mm 11– – 6.3
October 33°C23°C137 mm 19– – 5.2
November 31°C23°C198 mm 23– – 5.5
December 30°C23°C246 mm 26– – 5.7

Frequently asked questions

How hot is Rio Branco in August?

Daytime highs average 33°C and nights about 20°C.

When is the best time to visit Rio Branco?

The best months are June, July.