Rio Claro Weather in October
What's the weather like in Rio Claro (Mayaro) in October 2025?
The climate in Rio Claro during October can be summarized as hot, humid and very wet.
October is in the fall / autumn in Rio Claro and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 31.1°C 87.9°F |
|---|---|
| Nightly temperature | 22.4°C 72.2°F |
| Average temperature | 26.7°C 80.1°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 224 mm 8.8 ins |
| Rainy days | 19 days |
| Sea temperature | 28.6°C 83.5°F |
| Humidity | 85% |
| Windspeed | 7.2kph 5 mph |
On average October is the 5th wettest month of the year in Rio Claro with around 224mm 8.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
October temperatures in Rio Claro
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Rio Claro in October 2025.
Other monthly averages
Best places to visit in October
Rio Claro weather stats
| Hottest month: | May | 30.9°C 87.6°F |
|---|---|---|
| Driest month: | March | 55mm 2.2ins |
| Sunniest month: | February | 8.3hrs |
| Coldest month: | January | 29.3°C 84.7°F |
| Wettest month: | June | 285mm 11.2ins |
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