Barra de São João Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Barra de São João.
Climate overview of Barra de São João
Barra de São João, Rio de Janeiro State, Brazil, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 28°C (82°F), peaking in February at 31°C (88°F) and dipping in July to 26°C (79°F).
The city has a wet climate, receiving around 1310 mm (52 in) of rainfall per year. Despite the high annual total, it has distinct dry (June to August) and wet (November to January) seasons. December is the wettest month.
Barra de São João Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Barra de São João - and find the best time to visit.
Monthly Temperature in Barra de São João
With minimal seasonal shifts, Barra de São João experiences a constant climate year-round. On average, daytime temperatures range from a very warm 31°C (88°F) in February to a comfortable 26°C (79°F) in July.
Nighttime temperatures range from 24°C (75°F) in February to 18°C (64°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Barra de São João
Barra de São João has a notably wet climate with abundant precipitation, recording 1310 mm (52 in) of rainfall per year. The seasons in Barra de São João bring significant changes in precipitation. The wettest month, December, receives heavy rainfall, with an average of 199 mm (7.8 in) of precipitation. This rainfall is distributed across 21 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 36 mm (1.4 in) over 11 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Barra de São João Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Barra de São João by Month
The city experiences its highest humidity in January, reaching 82%. In April, the humidity drops to its lowest level at 80%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Barra de São João
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, July, August and September
- Warmest weather: January, February, March and December
- Fewest rainy days: June, July and August
- Wettest months: January, February, March, November and December, when rainfall is highest.
- Seasonal pattern: Distinct dry (June to August) and wet (November to January) seasons
Frequently asked questions about the climate in Barra de São João
What is the best time to visit Barra de São João?
April, May, June, July, August and September typically offer the most optimal weather in Barra de São João. In contrast, January and December tend to have less optimal conditions. Barra de São João has distinct dry (June to August) and wet (November to January) seasons.
What temperatures can I expect in Barra de São João?
Daytime highs range from 26°C (79°F) in July to 31°C (88°F) in February. Nighttime lows range from 18°C (64°F) to 24°C (75°F). Temperatures stay relatively stable year-round.
How much rain does Barra de São João get?
Annual rainfall is around 1310 mm (52 in). December is the wettest month with 199 mm (7.8 in), while July is the driest with 36 mm (1.4 in).
Barra de São João 3-Day Forecast
Barra de São João on the map
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