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 | 68–86°F | 9h | High (138mm) | Shoulder | Hot, humid and half-empty as portenos flee to the coast: cheap tables and late nights. |
| February | 66–82°F | 8h | High (127mm) | Shoulder | Steamy summer city with Carnival murgas drumming through the neighborhoods. |
| March | 63–79°F | 7h | High (140mm) | Peak | Warm, golden early autumn: the city's liveliest, most comfortable stretch. |
| April | 57–72°F | 6h | High (119mm) | Peak | Crisp, clear autumn days, perfect for cafe-hopping and long city walks. |
| May | 50–66°F | 5h | Moderate (92mm) | Shoulder | Cool, atmospheric autumn with fewer tourists and cozy parrillas. |
| June | 46–59°F | 4h | Moderate (59mm) | Off-Peak | Chilly, damp winter: museum weather, steak dinners and smoky tango bars. |
| July | 45–59°F | 5h | Moderate (61mm) | Off-Peak | Cold winter break with La Rural expo and the city bundled in scarves. |
| August | 46–63°F | 6h | Moderate (64mm) | Shoulder | Late winter warms into the city's Tango BA Festival and world-championship buzz. |
| September | 50–66°F | 6h | Moderate (79mm) | Peak | Spring blooms and jacaranda buds as the city reawakens outdoors. |
| October | 54–72°F | 7h | High (128mm) | Peak | Purple jacarandas, mild sun and festivals: prime time in Buenos Aires. |
| November | 59–79°F | 8h | High (121mm) | Peak | Warm, blossoming late spring with wine expos and buzzing sidewalk terraces. |
| December | 64–82°F | 9h | Moderate (97mm) | Shoulder | Hot, festive summer kicks off with holiday lights and long, late evenings. |
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.
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