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Rio Claro Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rio Claro.
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Climate overview of Rio Claro
Rio Claro, São Paulo State, Brazil, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 29°C (84°F), peaking in February at 31°C (88°F) and dipping in June to 26°C (79°F).
With around 1600 mm (63 in) of annual rainfall, Rio Claro has a notably wet climate. However, this rainfall is not evenly distributed, the city has distinct dry (July to August) and wet (November to March) seasons. The wettest month is January. Sunshine peaks in March, when the city sees around 9.6 hours of sunshine per day.
Rio Claro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rio Claro - and find the best time to visit.
Monthly Temperature in Rio Claro
With minimal seasonal shifts, Rio Claro experiences a constant climate year-round. Average daytime temperatures reach a very warm 31°C (88°F) in February. In June, the coolest month of the year, temperatures drop to a comfortable 26°C (79°F).
At night, temperatures range from around 20°C (68°F) in February to 13°C (55°F) in June.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rio Claro
Rio Claro has a notably wet climate with abundant precipitation, recording 1600 mm (63 in) of rainfall per year. Rio Claro can be quite wet during January, receiving approximately 296 mm (12 in) of precipitation over 21 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 32 mm (1.3 in) of precipitation spread across 7 rainy days. For more details, please visit our Rio Claro Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Rio Claro
Rio Claro experiences moderate variation in sunshine hours across the seasons. With 9.6 hours daily sunshine in March, it dips to 7.0 hours in June, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: São Carlos, Brazil (54 KM, 34 Miles).
Daily hours of sunshine
Data from: São Carlos, Brazil (54 KM, 34 Miles).
Humidity in Rio Claro by Month
The relative humidity is high throughout the year in Rio Claro.
The city experiences its highest humidity in January, reaching 75%. In August, the humidity drops to its lowest level at 51%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: São Carlos, Brazil (54 KM, 34 Miles).
Best Time to Visit Rio Claro
The most comfortable overall weather for exploring Rio Claro is usually found in April, May, June, July and August. Conditions are generally least comfortable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very wet
Feb
very wet
Mar
wet
Apr
excellent
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
good
Oct
mixed
Nov
wet
Dec
very wet
- Best overall: April, May, June, July and August
- Warmest weather: January, February, March, April, September, October, November and December
- Most sunshine: March
- Fewest rainy days: May, June, July and August
- Wettest months: January, February, March, November and December, when rainfall is highest.
- Seasonal pattern: Distinct dry (July to August) and wet (November to March) seasons
Frequently asked questions about the climate in Rio Claro
What is the best time to visit Rio Claro?
April, May, June, July and August typically offer the most optimal weather in Rio Claro. In contrast, January, February, March, November and December tend to have less optimal conditions. Rio Claro has distinct dry (July to August) and wet (November to March) seasons.
What temperatures can I expect in Rio Claro?
Daytime highs range from 26°C (79°F) in June to 31°C (88°F) in February. Nighttime lows range from 13°C (55°F) to 20°C (68°F). Temperatures stay relatively stable year-round.
How much rain does Rio Claro get?
Annual rainfall is around 1600 mm (63 in). January is the wettest month with 296 mm (12 in), while August is the driest with 32 mm (1.3 in).
How sunny is Rio Claro?
Rio Claro receives around 2,810 hours of sunshine per year. March is the sunniest month with 288 hours, while June is the cloudiest with just 209 hours. Overall, Rio Claro enjoys abundant sunshine.
Rio Claro 3-Day Forecast
Rio Claro on the map
Rio Claro is highlighted - select any city to see its climate.
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