Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Rio de Janeiro, Brazil in August

In an average August, Rio de Janeiro sees a daily high around 25°C and a low around 18°C, based on 1981–2026 of local climate records.

Average high25°C
Typical high range21°C to 29°C
Average low18°C
Typical low range16°C to 20°C
Average daily precipitation3 mm

August records

The most extreme August on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total August accumulation.

High

Highest 36°C 2005-08-30
Lowest 16°C 1999-08-15

Low

Highest 22°C 2023-08-24
Lowest 12°C 1983-08-07

Feels-like

Highest 45°C 2005-08-30
Lowest 12°C 1983-08-07

Humidity

Highest 19.2 g/m³ 2004-08-28
Lowest 9.8 g/m³ 2011-08-04

Wind

Highest 47 km/h 2016-08-21
Lowest 9 km/h 2002-08-07

Precip

Wettest 162 mm 2003
Driest 11 mm 1988

See Rio de Janeiro's live weather grade →

Visiting Rio de Janeiro in August? See how its comfort stacks up against where you live.

Compare Rio de Janeiro with your city →

‹ July · Rio de Janeiro climate overview · September ›