Iguazú · AutumnMonth summary
Iguazú weather in October
✅ Good
🌡️ Temperature min / max
66°F – 82°F
🌧 Rainy days
46% of days
☀️ Sunshine
11.2h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.8/10
📅 📅 Best month
September (8.4/10)
Quick decision
Should you visit Iguazú in October?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 28°F.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: October is a good time to visit Iguazú. September remains slightly better (+0.6 pts).
By trip type
Iguazú in October by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in October
Autumn in Iguazú is often underrated: 28°F, golden light and declining crowds. An interesting window. With 46% of rainy days, always have indoor alternatives planned. A good balance between weather and crowds, even if September (8.4/10) remains theoretically better.
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All months for Iguazú
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 73°F | 90°F | 54% | 0.3in | 12.3h | 7.2/10 |
| 🌤️ February | 73°F | 90°F | 47% | 0.2in | 12.1h | 7.3/10 |
| 🌤️ March | 72°F | 88°F | 42% | 0.2in | 11.5h | 7.5/10 |
| 🌤️ April | 68°F | 82°F | 30% | 0.2in | 10.9h | 8.3/10 |
| 🌤️ May | 63°F | 77°F | 35% | 0.2in | 9.7h | 7.7/10 |
| 🌤️ June | 59°F | 73°F | 31% | 0.2in | 9.9h | 7.6/10 |
| 🌤️ July | 59°F | 75°F | 19% | 0.1in | 10.2h | 8.1/10 |
| ☀️ August | 59°F | 79°F | 23% | 0.1in | 10.7h | 8.3/10 |
| 🌤️ September | 64°F | 82°F | 28% | 0.1in | 11.0h | 8.4/10 |
| 🌤️ October | 66°F | 82°F | 46% | 0.3in | 11.2h | 7.8/10 |
| 🌤️ November | 70°F | 88°F | 36% | 0.2in | 12.8h | 7.7/10 |
| 🌤️ December | 72°F | 90°F | 48% | 0.2in | 13.0h | 7.4/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In October, Iguazú averages 82°F, 46% rainy days and 11.2h of sunshine per day. Overall weather score: 7.8/10.
See methodology →
Comparison
October vs September (best month)
The best month is September (score 8.4/10). Difference:
- 🌡️ Max temperature : +0°F
- 🌧 Rainy days : -18%
- ☀️ Sunshine : -0.2h/day
FAQ
FAQ — Iguazú in October
Is October a good time to visit Iguazú?
October is an excellent time to visit Iguazú (score 7.8/10). With 82°F, 11.2h of sunshine and 46% rain, conditions are very favourable.
What to do in Iguazú in October?
With 82°F max and 11.2h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Iguazú
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