Chapadinha, Brazil's climate is characterized by distinct seasonal patterns. From December to March, the region experiences a warm and humid tropical season with average highs around 32°C (90°F), while rainfall is abundant with totals reaching up to 300mm in January. As the dry season sets in from April to June, temperatures moderate slightly with average highs around 29°C (84°F) and precipitation significantly decreases to less than 50mm per month. July marks the beginning of a brief cool period, with average highs dropping to 26°C (79°F), but still relatively high compared to other regions. The warm season returns in September, bringing with it increased rainfall and temperatures back up to around 31°C (88°F) by November.