Iguazú, ArgentinaQuick decision
When to visit Iguazú?
🌞 Best time overall
September
🌡️ Optimal temperature
18°C–28°C in September
🌧 Least rain
28% rainy days in September
🌧 Wettest month
January (54%)
📅 Best score
8.4/10
By trip type
Best time by type of trip
Iguazú FallsYear-round — 275 waterfalls, Devil's Throat, spectacular mist.
Subtropical wildlifeYear-round — toucans, coatis, butterflies, jungle trails.
Speedboat under the fallsYear-round — boat ride into the spray, thrilling experience.
BudgetApr–Jun — fewer crowds, milder temperatures, falls still impressive.
Monthly climate data
Iguazú weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 23°C | 32°C | 54% | 6.7 | 12.3h | 7.2/10 |
| 🌤️ February | 23°C | 32°C | 47% | 5.1 | 12.1h | 7.3/10 |
| 🌤️ March | 22°C | 31°C | 42% | 5.1 | 11.5h | 7.5/10 |
| 🌤️ April | 20°C | 28°C | 30% | 4.4 | 10.9h | 8.3/10 |
| 🌤️ May | 17°C | 25°C | 35% | 5.7 | 9.7h | 7.7/10 |
| 🌤️ June | 15°C | 23°C | 31% | 4.3 | 9.9h | 7.6/10 |
| 🌤️ July | 15°C | 24°C | 19% | 2.1 | 10.2h | 8.1/10 |
| ☀️ August | 15°C | 26°C | 23% | 3.0 | 10.7h | 8.3/10 |
| 🌤️ September | 18°C | 28°C | 28% | 3.4 | 11.0h | 8.4/10 |
| 🌤️ October | 19°C | 28°C | 46% | 7.7 | 11.2h | 7.8/10 |
| 🌤️ November | 21°C | 31°C | 36% | 5.1 | 12.8h | 7.7/10 |
| 🌤️ December | 22°C | 32°C | 48% | 6.0 | 13.0h | 7.4/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
🌴 Tropical destination — heavy rain months benefit from an algorithmic adjustment: tropical showers are intense but brief and usually don't ruin a trip.
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 28°C, 36% rainy days, 10.7h sunshine/day. Score: 7.8/10.
☀️ Summer (Jun–Aug) — Good time
Average 24°C, 24% rainy days, 10.3h sunshine/day. Score: 8.0/10.
🍂 Autumn (Sep–Nov) — Good time
Average 29°C, 37% rainy days, 11.7h sunshine/day. Score: 8.0/10.
❄️ Winter (Dec–Feb) — Good time
Average 32°C, 50% rainy days, 12.5h sunshine/day. Score: 7.3/10.
Accommodation
Find a place to stay in Iguazú
Check availability during the recommended period
Tip : off-peak months (January, February) are cheapest but weather is significantly worse.
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Activities and tours in Iguazú
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
September is ideal with 28% rainy days and 28°C.
January is the wettest month with 54% rainy days.
Yes, September is the best month with an average of 28°C.
In winter, the average score is 7.3/10. Acceptable conditions for cultural visits.
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