About the fair
The main technology showcase for the dairy production chain in Latin America, organised by the Castrolanda cooperative. The 2026 edition runs for five days, with expanded space for business meetings and expert forums. It includes breeding stock judging, technical panels and a display of farm equipment. The previous edition generated some R$969 million in business with 163,000 visitors.
Typical weather on these dates
Average of 2015–2024 measurements for August 3 – 7, 2026 in Castro — the exact days of the fair, not the whole month.
Aug 322° / 9°rain in 30% of years
Aug 422° / 9°
Aug 521° / 10°
Aug 622° / 10°
Aug 723° / 11°rain in 20% of years
Source: NASA POWER (measurements 2015–2024), coordinates © OpenStreetMap