Darker cells are stronger weather or travel-fit months. The second row is crowd pressure.
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Darker cells mean a higher score for this topic on that metric.
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Quick answers
When is the best time to go?
Start with November, December, January, February & March. Choose June & July only with a written reason.
Is this a good honeymoon pick?
Romance score 82/100 sits next to crowd 58/100 — read both.
How crowded does it get?
On red months, empty midday or change region.
What should I budget per day?
Use bands in varies. Mid is the baseline. Not a live fare.
Do I need a visa?
Entry rules differ by country; check each passport pair.
How many days do I need?
Countries breathe at 7–12 days, honeymoon islands at 5–8. Continents: pick one region.
Read South America as a November, December, January, February & March / June & July pair, not as a slogan season.
Festivals are culture and a price. Lock stays before Carnival (Rio).
Windows
- November, December, January, February & March — The default window for South America is November, December, January, February & March — the weather-crowd compromise.
- June & July — Treat June & July as skip-or-justify months; school holidays, heat or rain often stack here.
- Shoulder — The weeks on either side of peak often buy the best feel-per-price. Read the yellow band on the heatmap.
- Hemisphere — Southern-hemisphere clock: a northern winter is often a southern summer peak.
Festivals
- Carnival (Rio) — Carnival (Rio) lands in February — transport and beds move together. Lock dates first.
- Inti Raymi / Andean winter — Inti Raymi / Andean winter lands in June — transport and beds move together. Lock dates first.
- Brazil spring — Brazil spring lands in September — transport and beds move together. Lock dates first.
- Patagonia high summer — Patagonia high summer lands in December — transport and beds move together. Lock dates first.
Crowd tips
- Weekdays — Weekday mornings still breathe in temples and museums compared with local weekends.
- Dawn — Dawn slots separate honeymoon photos from cruise tenders.
- Festivals — Festival weeks are culture, not quiet. Sometimes stay outside the festival postcode.
- Ships — Port towns peak at midday. Push the itinerary to morning and evening.
Months in South America are a heatmap, not a slogan.
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