Ilha Grande, Brazil Weather Forecast for Sunday, August 9, 2026

Ilha Grande, Brazil, will experience a mild Sunday on August 9, 2026, with temperatures fluctuating between a low of 21°C and a high of 25°C. The day is expected to have light northwesterly winds at 13 km/h and an average humidity of 73%.

Forecasters predict no precipitation in the early morning hours, with humidity at 73% and light northwesterly breezes. By mid-morning, humidity is expected to rise to 77%, accompanied by moderate winds of 22 km/h from the west. The afternoon is forecast to bring light rain, with approximately 1 mm expected, and gentle winds from the southwest at 16 km/h. The evening will see slightly more precipitation, around 2 mm, with light southerly winds at 13 km/h.

The extended forecast for Ilha Grande indicates a cooler Monday, August 10, with temperatures between 19°C and 21°C, and winds around 13 km/h. Light rain, about 2 mm, is also anticipated. On Tuesday, temperatures will remain similar, between 18°C and 19°C, with continued light rainfall of 2 mm.

Alongside the weather outlook, the article includes general health and wellness recommendations. These cover maintaining hydration, using sunscreen, adapting to temperature changes, managing home ventilation, securing outdoor items during windy conditions, and exercising caution while commuting in adverse weather.