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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the MarketUK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Rio de Janeiro’s current temperature and conditions. The city’s tropical savanna climate means hot, humid summers from December to March and milder winters from June to August, so plan your layers accordingly.
What does Rio de Janeiro weather look like by month?
Average high temperatures in Rio de Janeiro range from 27°C in July (winter) to 31°C in February (peak summer). January and February are the wettest months, with around 150–170 mm of rain, while July and August are drier, receiving about 50 mm. If you’re checking rio de janeiro weather december, expect 30°C highs and frequent late-afternoon showers. For rio de janeiro weather february, heat and humidity peak, often reaching 32°C. November and March offer a transition: still warm but with fewer downpours. For travellers who prefer Fahrenheit, summer highs often hit 88–90°F.
How reliable are longer forecasts – 10 days, 14 days or 15 days?
The live forecast above is the most accurate for the next few days. For weather in rio de janeiro 10 days, the broad trend (hot and humid) is dependable, but exact rain timing can shift. A rio de janeiro weather 15 day forecast or weather in rio de janeiro 14 days is useful to spot general patterns, not precise hourly details. Always cross-check closer to your travel date.
Is Rio de Janeiro hot in December?
Yes. December is the start of summer, with average highs of 30°C and high humidity. Afternoon thunderstorms are common, but mornings are usually sunny. Pack light clothing, sunscreen, and a light rain jacket.
What is the best month to visit Rio for good weather?
Many travellers prefer April or May, after the summer rains but before the winter. Temperatures are a comfortable 28–30°C, rainfall drops significantly, and the city is less crowded than peak season.
Does Rio ever feel cold?
During winter (June–August), temperatures can drop to 18–20°C at night, especially in hillier areas. Daytimes remain warm (26–27°C), so a light jacket is enough for the evenings. Cold snaps below 15°C are rare.