Cacoal Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Cacoal.

Climate overview of 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.

Cacoal Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cacoal - and find the best time to visit.

Monthly Temperature in Cacoal

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.

Temperature ranges by month

Rainfall in Cacoal

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.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Cacoal

Conditions in Cacoal are generally most comfortable in June. They are typically least comfortable in January, February, March, August, September, October, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June
  • Warmest weather: July, August, September and October
  • Fewest rainy days: July and August
  • Wettest months: January, February, March, November and December, when rainfall is highest.
  • Seasonal pattern: Distinct dry (June to August) and wet (November to March) seasons

Frequently asked questions about the climate in Cacoal

What is the best time to visit Cacoal?

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.

What temperatures can I expect in Cacoal?

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.

How much rain does Cacoal get?

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 3-Day Forecast

Cacoal on the map

Cacoal is highlighted - select any city to see its climate.

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