Rio Claro

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Current Weather

25°

Mostly Cloudy

Feels Like: 24°

Min: 25°

Max: 31°

The next few hours will be possible thunderstorms, with today reaching 30°C and dropping to 25°C. The coming days will be possible thunderstorms throughout the day.

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Hourly Forecast

25° 25° 26° 27° 28° 28° 29° 30° 30° 30° 31° 30° 29° 28° 27° 27° 26° 26° 26° 25° 25° 25° 25° 25°
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8%
8%
80%
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82%
82%
82%
60%
60%
60%
6%
4am
5am
6am
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8am
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10am
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Today
Tomorrow

Daylight Hours

05:56

Sunrise

17:54

Sunset

11 hours 57 minutes of sunlight today

Moon

Waxing Gibbous

17:17

Moonrise

04:49

Moonset

Daily Forecast

Today

25°
31°

Saturday

25°
31°

Sunday

24°
30°

Monday

25°
30°

Tuesday

25°
30°

Wednesday

23°
30°

Thursday

24°
27°

Friday

24°
29°

Saturday

25°
30°

Sunday

25°
30°

Air Quality Data Available

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UV Index

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0 Low
Low Extreme

Humidity

92% Very Humid
Low High

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Weather in Rio Claro today, September 25, 2026

Rio Claro looks damp on September 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Wetter spells lean into the morning, when rain odds reach about 80% near 09:00. Skies look heaviest around 04:00, with cover close to 87%.

Temperatures climb from an overnight low near 25°C toward a daytime high of about 31°C. Relative humidity sits between 70% and 92%, reaching its peak around 04:00. Airflow remains manageable, reaching about 3.3 km/h around 11:00.

Through the afternoon wet weather remains a factor, with rain chances near 82% around 12:00. Cloud also stays substantial, close to 82% near 20:00. Expect visibility near 15.2 km, with poorer spells close to 3.8 km. Daylight runs from 05:56 to 17:54, lasting 11 hours 57 minutes of sunlight today.

The practical takeaway for Rio Claro on September 25, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 31°C.

Frequently asked questions about weather in Rio Claro

How warm does it get in Rio Claro?

The warmest month in Rio Claro is September, with average high temperatures of 31°C. The average temperature during this period is around 27°C.

How cold does it get in Rio Claro?

The coldest month in Rio Claro is January, with average low temperatures of 23°C. The average temperature during this period is around 26°C.

What is the wettest time of year in Rio Claro?

The wettest month in Rio Claro is August, with an average of 222mm of precipitation.

What is the driest time of year in Rio Claro?

The driest month in Rio Claro is February, with an average of 37mm of precipitation.

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Metric (°C, km/h)