Rio de Janeiro Weather in March: Climate, Temperature & Travel Tips
Avg 26.0°C · 140mm rain — March is autumn in Rio de Janeiro.
- Avg high
- 29.4 °C
- Avg low
- 23.4 °C
- Avg
- 26.0 °C
- Precipitation
- 140 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
March in Rio de Janeiro, Brazil brings autumn conditions: average temperature 26.0°C, average high 29.4°C, average low 23.4°C. Monthly rainfall averages 140mm, making it a wet time of year.
Plan outdoor activities around midday heat with shade and frequent hydration.
What to Pack
- Lightweight breathable clothing; sun hat
- Sunscreen and ample hydration
- Compact umbrella and waterproof jacket
Best Things to Do
- Visit outdoor sights in early morning or late afternoon
- Air-conditioned museums and galleries
- Pool or waterfront activities
Pros and Cons of Visiting in March
Pros:
- Shoulder season often means smaller crowds and lower prices
Cons:
- Hot weather may limit midday outdoor activities
- Frequent rain — pack waterproof gear
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 January 27.1°C
- 2 February 26.7°C
- 3 March 26.0°C
- 1 July 20.9°C
- 2 August 21.1°C
- 3 June 21.3°C
FAQ
01 What is the average temperature in Rio de Janeiro in March? +
The average is 26.0°C, with a high of 29°C and a low of 23°C.
02 What is Rio de Janeiro like to visit in March? +
It is autumn in Rio de Janeiro, which is hot — plan around midday heat.
03 Does it rain often in Rio de Janeiro during March? +
Average rainfall is 140mm, which is high — expect frequent rain.
04 What should I pack for Rio de Janeiro in March? +
Lightweight breathable clothing; sun hat; Sunscreen and ample hydration.
05 Is March a peak travel season for Rio de Janeiro? +
It is closer to off-season, with more reasonable prices and fewer crowds.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17