South America · Month-by-month weather, seasons and what to do — from Noura's Destination Finder.
🟢 Peak season · 🟠 Shoulder · ⚪ Off-peak
Average temperatures, sunshine and the feel of each month. Getting the timing right is half of a great trip.
| Month | Avg °F | Sun | Rain | Season | What it's like |
|---|---|---|---|---|---|
| January | 74–88°F | 7h | High (180mm) | Peak | Blazing beach summer: Ipanema packed, samba loud, thunderstorms rolling in by afternoon. |
| February | 74–90°F | 7h | High (117mm) | Peak | Carnival fever: sequins, blocos and around-the-clock samba at peak summer heat. |
| March | 73–87°F | 6h | High (153mm) | Shoulder | Still hot and steamy but the crowds thin as Carnival's confetti settles. |
| April | 70–85°F | 6h | Moderate (99mm) | Shoulder | Warm autumn ease: comfortable beach days and gentler humidity after the summer peak. |
| May | 65–80°F | 6h | Moderate (81mm) | Shoulder | Mild, drier and mellow, arguably Rio's most comfortable beach-and-hike weather. |
| June | 62–80°F | 6h | Moderate (52mm) | Off-Peak | Cool, dry winter days with sun-soaked afternoons and blissfully uncrowded beaches. |
| July | 62–78°F | 6h | Moderate (54mm) | Shoulder | Sunny winter high season for Brazilians: dry, clear and buzzing with school-holiday visitors. |
| August | 62–80°F | 6h | Low (45mm) | Off-Peak | Rio's driest, sunniest month: clear skies, breezy trails and low-key beaches. |
| September | 65–81°F | 5h | Moderate (81mm) | Shoulder | Spring warms up and the city hums, headlined in festival years by Rock in Rio. |
| October | 68–83°F | 5h | Moderate (98mm) | Shoulder | Warming spring with longer beach days ahead of the summer rush. |
| November | 70–84°F | 6h | High (143mm) | Shoulder | Hot and lively as summer builds, with sudden downpours breaking humid afternoons. |
| December | 72–86°F | 6h | High (156mm) | Peak | Sizzling festive summer capped by two million people in white for Réveillon fireworks. |
Data cross-referenced from climate and flight sources; conditions vary year to year.
Hand-picked ideas for every month of the year — from Noura's Destination Finder.
Noura turns this intelligence into a real itinerary — flights, hotels with perks, and timing dialled in — at no planning cost to you.
Compare the timing across nearby destinations.
DESTINATIONS BY NOURA