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Average temperatures, rainfall, sunshine and the best time to visit Cacoal.
The climate in Cacoal, Rondônia, Brazil, is remarkably consistent, with temperatures year-round averaging 32°C (90°F). The warmest month is August at 35°C (95°F), and the coolest is February at 30°C (86°F).
The city has a wet climate, receiving around 1977 mm (78 in) of rainfall per year. Despite the high annual total, it has distinct dry (June to August) and wet (November to March) seasons. February is the wettest month.
Pick a month to see the average temperature, rainfall and sunshine in Cacoal - and find the best time to visit.
In Cacoal temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 35°C (95°F) in August to a very warm 30°C (86°F) in February.
Nighttime temperatures range from 23°C (73°F) in August to 20°C (68°F) in February.
Check out our detailed temperature page for more information.
Cacoal experiences significant rainfall throughout the year, averaging 1977 mm (78 in) of precipitation annually. The seasons in Cacoal bring significant changes in precipitation. The wettest month, February, receives heavy rainfall, with an average of 333 mm (13 in) of precipitation. This rainfall is distributed across 19 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 11 mm (0.4 in) over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Cacoal Precipitation page.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
June typically offers the most optimal weather in Cacoal. In contrast, January, February, March, August, September, October, November and December tend to have less optimal conditions. Cacoal has distinct dry (June to August) and wet (November to March) seasons.
Daytime highs range from 30°C (86°F) in February to 35°C (95°F) in August. Nighttime lows range from 20°C (68°F) to 23°C (73°F). Temperatures stay relatively stable year-round.
Annual rainfall is around 1977 mm (78 in). February is the wettest month with 333 mm (13 in), while July is the driest with 11 mm (0.4 in).
Cacoal is highlighted - select any city to see its climate.
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