Goiás Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Goiás.
Climate overview of Goiás
With consistently stable weather, Goiás, Goiás, Brazil, sees little seasonal temperature change. Daytime highs average 32°C (90°F), ranging from 35°C (95°F) in September to 30°C (86°F) in January.
The city has a wet climate, receiving around 1601 mm (63 in) of rainfall per year. Despite the high annual total, it has distinct dry (May to September) and wet (November to March) seasons. December is the wettest month.
Goiás Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Goiás - and find the best time to visit.
Monthly Temperature in Goiás
The climate in Goiás remains fairly constant, offering very warm temperatures throughout the year. On average, daytime temperatures range from a very hot 35°C (95°F) in September to a very warm 30°C (86°F) in January.
Nighttime temperatures range from 22°C (72°F) in September to 18°C (64°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Goiás
Goiás is known for its substantial rainfall, with annual precipitation reaching 1601 mm (63 in). The seasons in Goiás bring significant changes in precipitation. The wettest month, December, receives heavy rainfall, with an average of 295 mm (12 in) of precipitation. This rainfall is distributed across 26 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 0.9 mm (0.04 in) over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Goiás Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Goiás
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June and July
- Warmest weather: August, September and October
- Fewest rainy days: June, July and August
- Wettest months: January, February, March, November and December, when rainfall is highest.
- Seasonal pattern: Distinct dry (May to September) and wet (November to March) seasons
Frequently asked questions about the climate in Goiás
What is the best time to visit Goiás?
May, June and July typically offer the most optimal weather in Goiás. In contrast, January, February, March, August, September, October, November and December tend to have less optimal conditions. Goiás has distinct dry (May to September) and wet (November to March) seasons.
What temperatures can I expect in Goiás?
Daytime highs range from 30°C (86°F) in January to 35°C (95°F) in September. Nighttime lows range from 18°C (64°F) to 22°C (72°F). Temperatures stay relatively stable year-round.
How much rain does Goiás get?
Annual rainfall is around 1601 mm (63 in). December is the wettest month with 295 mm (12 in), while July is the driest with 0.9 mm (0.04 in).
Goiás 3-Day Forecast
Goiás on the map
Goiás is highlighted - select any city to see its climate.
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