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Barretos Weather by Month
Average temperatures, rainfall and humidity for Barretos, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Barretos month looks like before you travel — then check the live Barretos forecast for the days ahead.
Warmest month
September
33°C average high
Coolest month
July
15°C average low
Wettest month
March
132 mm of rain
Driest month
July
11 mm of rain
Average temperature and rainfall in Barretos by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 29°C | 20°C | 15°C / 38°C | 118 mm | 79% | 9 km/h |
| February | 29°C | 20°C | 16°C / 36°C | 94 mm | 81% | 9 km/h |
| March | 30°C | 20°C | 15°C / 38°C | 132 mm | 78% | 9 km/h |
| April | 29°C | 19°C | 11°C / 35°C | 75 mm | 72% | 9 km/h |
| May | 28°C | 16°C | 5°C / 34°C | 25 mm | 67% | 10 km/h |
| June | 27°C | 16°C | 3°C / 32°C | 12 mm | 63% | 10 km/h |
| July | 28°C | 15°C | 4°C / 33°C | 11 mm | 54% | 11 km/h |
| August | 30°C | 17°C | 6°C / 37°C | 11 mm | 48% | 12 km/h |
| September | 33°C | 20°C | 11°C / 41°C | 22 mm | 47% | 12 km/h |
| October | 32°C | 21°C | 12°C / 41°C | 59 mm | 60% | 12 km/h |
| November | 30°C | 20°C | 14°C / 41°C | 99 mm | 70% | 11 km/h |
| December | 29°C | 20°C | 15°C / 40°C | 110 mm | 76% | 9 km/h |
Best time to visit Barretos
The most comfortable time to visit Barretos is generally May to July, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around March, totalling about 765 mm a year.
Travellers who prefer heat should aim for September, when highs average 33°C. March is the month to avoid if rain would spoil your plans — it averages 132 mm, roughly 12× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Barretos forecast for what is happening now.
Weather across Brazil right now
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- Belo Horizonte28°C
- Brasília28°C
- Campinas29°C
- Campo Grande32°C
- Contagem28°C
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- Curitiba24°C
- Feira de Santana32°C
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- Goiânia34°C
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- Rio de Janeiro28°C
- Salvador28°C
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- São Bernardo do Campo27°C
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- São Luís32°C
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- Sorocaba28°C
- Teresina36°C
- Uberlândia32°C
