Rio de Janeiro's Climate
Rio de Janeiro has a hot, humid tropical coastal climate that keeps its beaches sun-drenched year-round. Summers (December to March) are hot and sticky, often 30-35°C with high humidity and heavy afternoon thunderstorms that can occasionally trigger flooding and landslides. Winters (June to August) are warm and more comfortable at around 22-26°C, with less rain. The UV index stays very strong all year. This page provides an hourly and 14-day forecast plus detailed metrics for humidity, wind, UV index and air quality (AQI).