When to go to Barro Alto: climate and calendar

Two clear seasons — rain in summer, drought in winter — and a short but lively local calendar.

Updated on October 4, 2026 ✓ Information checked on October 4, 2026 adapted from the Portuguese original

Barro Alto lies in the Cerrado, and its climate follows the biome’s pattern: rainy summers and very dry winters (remember that seasons in Brazil are the reverse of the northern hemisphere). There is no tourist “high season” — the best time depends on why you are going.

The climate in figures

According to Anglo American’s environmental study for the mine area (2020):

Annual rainfall: about 1,700 mm;
Rainy season: November to March, with 78% of the year’s rain — December, January and February account for 50%;
Winter: described as extremely dry;
Average annual temperature: about 21.5 °C.

Month by month, in practice

Period	What it is usually like	Good for
April to June	End of the rains, green landscape, milder days	Road trips, outdoor outings
July to September	Severe drought, clear skies, dry air and dust; heat towards the end	Driving, outdoor events
October	Transition, heat and first rains	Short visits
November to March	Frequent, sometimes heavy rain; green Cerrado	Town anniversary (14 Nov), landscapes

Dates that liven up the town

14 November — Barro Alto’s anniversary. The date of the 1958 state law that created the municipality; in 2026 the town turns 68.
September — ExpoAgro. The 5th edition took place from 17 to 19 September 2026 at the fairgrounds.
Horseback rides linked to the anniversary and the Rural Union, in November, according to press reports.

Dates are only published in the events calendar when there is a source.

Frequently asked questions

What is the rainiest time of year in Barro Alto?

The rainy season runs from November to March and brings about 78% of the year's rain; December to February alone account for half, according to an Anglo American environmental study (2020).

Does it get cold in Barro Alto?

Not usually. The average annual temperature is about 21.5 °C. In the dry winter, nights and early mornings are cooler and days are sunny.

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