The best time to visit Cuiabá is during the dry season, which runs from May to September. This period offers the most comfortable weather for exploring the region.During these months, you'll experience lower humidity and less rainfall, making outdoor activities and wildlife viewing significantly more pleasant. Temperatures are generally warm and consistent, typically ranging from the mid-70s to low 90s Fahrenheit (24-34°C) during the day. This dry, sunny weather is ideal for travelers planning excursions into the Pantanal or Chapada dos Guimarães National Park.For those interested in wildlife, the dry season is particularly advantageous. As water sources diminish, animals tend to congregate around the remaining rivers and watering holes, making them easier to spot. This is especially true for safaris and boat tours in the Pantanal, where you have a higher chance of seeing a wide variety of birds, mammals, and reptiles.Conversely, the rainy season, from October to April, brings high humidity and frequent heavy downpours. While the landscape becomes lush and green, travel can be more challenging due to muddy roads and increased insect activity.